# Electrical specifications

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

Note: The information in this chapter is preliminary and subject to
            change without notice.

## Absolute maximum ratings

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

The absolute maximum ratings reflect the stress levels that, if exceeded, may cause
            permanent damage to the device. No functionality is guaranteed outside the operating
            specifications. Functionality and reliability are only guaranteed within the operating
            conditions described in [Operating conditions](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#operating-condition).

Table : Absolute maximum ratings

| Pin name | Min. | Max. | Unit |
| --- | :---: | :---: | :---: |
| AVDD33\_RF1<br><br><br>                            <br>AVDD33\_RF2<br><br><br>                            <br>AVDD33\_RF3<br><br><br>                            <br>AVDD33\_AON<br><br><br>                            <br>PVDD33\_DCDC<br><br><br>                            <br>VDD33\_USB | -0.3 | 3.63 | V |
| VDDIO1<br><br><br>                            <br>VDDIO2 | -0.3 | 3.63 | V |
| ESD protection (HBM) | – | 2000 | V |
| T<sub class="ph sub">S</sub> (Storage temperature)[^1^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fntarg_1_absolute-maximum-ratings)[^2^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fntarg_2_absolute-maximum-ratings) | -55 | +150 | °C |

[^1^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fnsrc_1_absolute-maximum-ratings)  The storage temperature range
                                applies when the device is in the OFF state (the device is not
                                assembled in any platform and is not electrically connected to any
                                voltage or I/O signals). Damage may occur when the device is
                                subjected to this temperature for any length of time.

[^2^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fnsrc_2_absolute-maximum-ratings)  For
                                devices shipped in tape and reel, the storage temperature range is
                                [+15°C +35°C] and &lt; 90% relative humidity (RH). QTI recommends
                                allowing the device to return to ambient room temperature before
                                usage.

## Operating conditions

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

Operating conditions include design team-controlled parameters such as power supply
            voltage, power distribution impedances, and thermal conditions. The QCC748 meets all performance specifications when used within the
            operating conditions, unless otherwise noted in those sections (provided the absolute
            maximum ratings have never been exceeded).

| Pin name | Min. | Typ | Max. | Unit |
| --- | --- | --- | --- | --- |
| AVDD33\_RF1<br><br><br>                            <br>AVDD33\_RF2<br><br><br>                            <br>AVDD33\_RF3<br><br><br>                            <br>AVDD33\_AON<br><br><br>                            <br>PVDD33\_DCDC<br><br><br>                            <br>VDD33\_USB | 2.97 | 3.3 | 3.63 | V |
| VDDIO1<br><br><br>                            <br>VDDIO2 | 2.97/1.62 | 3.3/1.8 | 3.63/1.98 | V |
|  |  |  |  |  |

| Item | Item | Min. | Max. | Unit |
| --- | --- | --- | --- | --- |
| Temperature | Main die | -40 | 105 | °C |
| Temperature | Multi-die SiP | -40 | 85 | °C |
|  |  |  |  |  |

Table : General operating conditions

| Item | Description | Min. | Typ | Max. | Unit |
| --- | --- | :---: | :---: | :---: | :---: |
| F<sub class="ph sub">CPU</sub> | CPU/TCM/Cache clock frequency | – | 320 | – | MHz |
| F<sub class="ph sub">BUS</sub> | System bus clock frequency | – | 80 | – | MHz |

## Temperature sensor characteristics

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

| Parameters | Parameters | Min. | Typ | Max. | Unit |
| --- | --- | --- | --- | --- | --- |
| T<sub class="ph sub">a</sub> | Main die ambient temperature | -40 | – | 105 | °C |
| T<sub class="ph sub">a</sub> | Multi-die SiP ambient temperature | -40 | – | 85 | °C |
| T<sub class="ph sub">j</sub> | Operating temperature (junction) | – | – | 125 | °C |
|  |  |  |  |  |  |

## Power-on sequence

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

To ensure normal power-on start-up, the power, reset, and bootstrap pins must meet the
            corresponding timing requirements.

Figure : Power-on sequence
            
            ![](data:image/png;base64,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)

Table : Power-on sequence parameters

| Parameters | Description | Min.(ms) | Typ(ms) | Max.(ms) |
| :---: | --- | :---: | :---: | :---: |
| t<sub class="ph sub">0</sub> | The power supply voltage reaches 90% rise time[^1^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fntarg_1_power-on-sequence) | - | 0.1 | - |
| t<sub class="ph sub">1</sub> | Internal POR duration | - | 3 | - |
| t<sub class="ph sub">2</sub> | VDDCORE setting time after Internal POR down | - | 1 | - |
| t<sub class="ph sub">3.1</sub> | Bootstrap pin[^2^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fntarg_2_power-on-sequence) preparation time<br>                            before VDDCORE establishment | 0 | - | - |
| t<sub class="ph sub">3.2</sub> | Duration of valid voltage level at the bootstrap pin. | 2 | - | - |
| t<sub class="ph sub">4</sub> | XTAL startup time after internal POR down | - | 1 | - |

[^1^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fnsrc_1_power-on-sequence)  VDD\_min is the
                                minimum value for proper chip operation.

[^2^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fnsrc_2_power-on-sequence)   Bootstrap pin is GPIO2.

## Shutdown sequence

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

Figure : Shutdown sequence
            
            ![](data:image/png;base64,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Table : Shutdown sequence parameters

| Parameters | Description | Min. | Typ | Max. | Unit |
| :---: | --- | :---: | :---: | :---: | :---: |
| V<sub class="ph sub">RST</sub> | Shutdown occurs after CHIP\_EN lower than this voltage | 0 | 0.1\*VDD33 | 0.3\*VDD33 | V |
| t<sub class="ph sub">RST</sub> | The required time that CHIP\_EN lower than VRST | 1 | 1 | - | ms |
| t<sub class="ph sub">pd</sub> | Time for VDDCORE to decrease to 0 after shutdown | 1 | 1 | - | ms |

## Power tree

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

Figure : Power block diagram

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## DC power characteristics

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

Test conditions: VDDIO = 3.3 V, temperature = 25°C

| Symbol | Description | GPIO number | Conditions | Min. | Typ | Max. | Unit |
| --- | --- | --- | --- | --- | --- | --- | --- |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO21-22, GPIO28-29 | GPIO drive strength 0, source current = 2.8 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO21-22, GPIO28-29 | GPIO drive strength 1, source current = 9.5 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO21-22, GPIO28-29 | GPIO drive strength 2, source current = 17.4 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO21-22, GPIO28-29 | GPIO drive strength 3, source current = 23.8 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 0, source current = 2.9 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 1, source current = 8.5 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 2, source current = 16.8 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OH</sub> | Output voltage high | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 3, source current = 22.2 mA | – | 0.9\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO21-22, GPIO28-29 | GPIO drive strength 0, sink current = 3.4 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO21-22, GPIO28-29 | GPIO drive strength 1, sink current = 10.2 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO21-22, GPIO28-29 | GPIO drive strength 2, sink current = 20 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO21-22, GPIO28-29 | GPIO drive strength 3, sink current = 26.5 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 0, sink current = 3.1 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 1, sink current = 9.2 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 2, sink current = 18.2 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">OL</sub> | Output voltage low | GPIO0-20,<br><br><br>                            <br>GPIO23-27,<br><br><br>                            <br>GPIO30-34 | GPIO drive strength 3, sink current = 24 mA | – | 0.1\*VDDIO | – | V |
| V<sub class="ph sub">IH</sub> | Input voltage high | – | – | 0.7\*VD- DIO | – | – | V |
| V<sub class="ph sub">IL</sub> | Input voltage low | – | – | – | – | 0.3\*VD- DIO | V |
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## Clock specifications

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

Table : 40 MHz clock specification

| Parameter | Specification |
| --- | :---: |
| Nominal frequency (MHz) | 40 |
| Frequency tolerance (ppm) | ±10 |
| Frequency stability (ppm) | ±20 |
| Load capacitance (pF) | 8–12 |
| Equivalent series resistance (Ω) | ≤50 |
| Maximum drive level (µW) | ≥100 |
| Shunt capacitance (pF) | &lt;3 |

Table : 32.768 kHz RTC clock specification

| Parameter | Specification |
| --- | :---: |
| Nominal frequency (kHz) | 32.768 |
| Frequency tolerance (ppm) | ±20 |
| Load capacitance (pF) | ≤7 |
| Equivalent series resistance (kΩ) | ≤70 |
| Maximum drive level (µW) | 0.1 |
| Shunt capacitance (pF) | &lt;3 |

## WLAN RF characteristics

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

| Mode | Mode | Note | Performance at 3.3 V, 25℃ | Performance at 3.3 V, 25℃ | Performance at 3.3 V, 25℃ | Performance at 3.3 V, 25℃ |
| --- | --- | --- | --- | --- | --- | --- |
| Mode | Mode | Note | Min. | Typ | Max. | Unit |
| Transmit power | 11ax: MCS0 HE20 | – | – | 19 | – | dBm |
| Transmit power | 11ax: MCS9 HE20 | BCC | – | 17 | – | dBm |
| Transmit power | 11ax: MCS0 HE40 | – | – | 19 | – | dBm |
| Transmit power | 11ax: MCS9 HE40 | – | – | 15 | – | dBm |
| Transmit power | 11n: MCS0 HT20 | – | – | 19 | – | dBm |
| Transmit power | 11n: MCS7 HT20 | – | – | 18 | – | dBm |
| Transmit power | 11n: MCS0 HT40 | – | – | 18 | – | dBm |
| Transmit power | 11n: MCS7 HT40 | – | – | 17 | – | dBm |
| Transmit power | 11g: 6 Mbps | – | – | 20 | – | dBm |
| Transmit power | 11g: 54 Mbps | – | – | 18 | – | dBm |
| Transmit power | 11b: 1 Mbps | – | – | 21 | – | dBm |
| Transmit power | 11b: 11 Mbps | – | – | 21 | – | dBm |
| EVM | 11ax: MCS9 HE20 | – | – | &lt;-32 | – | dB |
| EVM | 11n: MCS7 HT20 | – | – | &lt;-27 | – | dB |
| EVM | 11g: 54 Mbps | – | – | &lt;-25 | – | dB |
| Accuracy of power control | 1 dB/step | – | – | ±1 | – | dB |
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| Mode | Mode | Note | Performance at 3.3 V, 25℃ | Performance at 3.3 V, 25℃ | Performance at 3.3 V, 25℃ | Performance at 3.3 V, 25℃ |
| --- | --- | --- | --- | --- | --- | --- |
| Mode | Mode | Note | Min. | Typ | Max. | Unit |
| Rx sensitivity | 11ax: MCS0 HE20 | – | – | -93 | – | dBm |
| Rx sensitivity | 11ax: MCS9 HE20 | LDPC | – | -70 | – | dBm |
| Rx sensitivity | 11ax: MCS0 HE40 | – | – | -89 | – | dBm |
| Rx sensitivity | 11ax: MCS9 HE40 | LDPC | – | -67 | – | dBm |
| Rx sensitivity | 11n: MCS0 HT20 | – | – | -93 | – | dBm |
| Rx sensitivity | 11n: MCS7 HT20 | LDPC | – | -75 | – | dBm |
| Rx sensitivity | 11n: MCS0 HT40 | – | – | -89.5 | – | dBm |
| Rx sensitivity | 11n: MCS7 HT40 | LDPC | – | -72 | – | dBm |
| Rx sensitivity | 11g: 6 Mbps | – | – | -93 | – | dBm |
| Rx sensitivity | 11g: 54 Mbps | – | – | -77.5 | – | dBm |
| Rx sensitivity | 11b: 1 Mbps | – | – | -99 | – | dBm |
| Rx sensitivity | 11b: 11 Mbps | – | – | -90 | – | dBm |
| Rx maximum input level | 11ax: MCS0 HE20 | – | – | -10 | – | dBm |
| Rx maximum input level | 11ax: MCS9 HE20 | – | – | -10 | – | dBm |
| Rx maximum input level | 11n: MCS0 HT20 | – | – | -10 | – | dBm |
| Rx maximum input level | 11n: MCS7 HT20 | – | – | -10 | – | dBm |
| Rx maximum input level | 11g: 6 Mbps | – | – | -10 | – | dBm |
| Rx maximum input level | 11g: 54 Mbps | – | – | -10 | – | dBm |
| Rx maximum input level | 11b: 1 Mbps | – | – | 5 | – | dBm |
| Rx maximum input level | 11b: 11 Mbps | – | – | 5 | – | dBm |
| Adjacent channel rejection | 11ax: MCS0 HE20 | LDPC | – | 32 | – | dB |
| Adjacent channel rejection | 11ax: MCS9 HE20 | LDPC | – | 7 | – | dB |
| Adjacent channel rejection | 11n: MCS0 HT20 | LDPC | – | 32 | – | dB |
| Adjacent channel rejection | 11n: MCS7 HT20 | LDPC | – | 14 | – | dB |
| Adjacent channel rejection | 11g: 6 Mbps | – | – | 39 | – | dB |
| Adjacent channel rejection | 11g: 54 Mbps | – | – | 24 | – | dB |
| Adjacent channel rejection | 11b: 1 Mbps | – | – | 49 | – | dB |
| Adjacent channel rejection | 11b: 11 Mbps | – | – | 49 | – | dB |
| S11 | – | – | – | &lt;-10 | – | dB |
| RSSI accuracy | Range below -20 dBm | – | -3 | – | 3 | dB |
| RSSI accuracy | Range above -20 dBm | – | -5 | – | 5 | dB |
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| Symbol | Parameter | Conditions | Min. | Typ | Max. | Unit |
| --- | --- | --- | --- | --- | --- | --- |
| Synthesizer composite<br>                            characteristics for 2.4 GHz | Synthesizer composite<br>                            characteristics for 2.4 GHz | Synthesizer composite<br>                            characteristics for 2.4 GHz | Synthesizer composite<br>                            characteristics for 2.4 GHz | Synthesizer composite<br>                            characteristics for 2.4 GHz | Synthesizer composite<br>                            characteristics for 2.4 GHz | Synthesizer composite<br>                            characteristics for 2.4 GHz |
| F<sub class="ph sub">c</sub> | Center channel frequency | Center frequency at 5 MHz spacing | 2412 | – | 2484 | MHz |
| F<sub class="ph sub">ref</sub> | Reference oscillator frequency | ±20 ppm | – | 40 | – | MHz |
| F<sub class="ph sub">step</sub> | Frequency step size (at RF) | – | – | 5 | – | MHz |
| TS<sub class="ph sub">POWERUP</sub> | Time for power up (from sleep) | – | – |  | 50 | us |
| Transmit output power<br>                            accuracy | Transmit output power<br>                            accuracy | Transmit output power<br>                            accuracy | Transmit output power<br>                            accuracy | Transmit output power<br>                            accuracy | Transmit output power<br>                            accuracy | Transmit output power<br>                            accuracy |
| APC [^1^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fntarg_1_wlan-radio-characteristics) | Accuracy of transmit power control at 2.4 GHz at room temperature (3<br>                                sigma over top 10 dB of TPC range). | OLPC (Open Loop Power Control) | – | ±1.5 | – | dB |

[^1^](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html#fnsrc_1_wlan-radio-characteristics)  All APC numbers assume conducted test with 50 Ω
                                load.

## BLE RF performance

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

| Mode | Mode | Note | Performance at 3.3 V, 25°C | Performance at 3.3 V, 25°C | Performance at 3.3 V, 25°C | Performance at 3.3 V, 25°C |
| --- | --- | --- | --- | --- | --- | --- |
| Mode | Mode | Note | Min. | Typ | Max. | Unit |
| Modulation characteristics | 1 Mbps, Δf1avg | – | – | 252 | – | kHz |
| Modulation characteristics | 1 Mbps, Δf2max &gt; 185 kHz | – | – | 100 | – | % |
| Modulation characteristics | 1 Mbps, Δf2avg/Δf1avg | – | – | 0.89 | – |  |
| Modulation characteristics | 2 Mbps, Δf1avg | – | – | 502 | – | kHz |
| Modulation characteristics | 2 Mbps, Δf2max &gt; 370 kHz | – | – | 100 | – | % |
| Modulation characteristics | 2 Mbps,Δf2avg/Δf1avg | – | – | 0.89 | – |  |
| Modulation characteristics | S8 (125 Kbps), Δf1avg | – | – | 252 | – | kHz |
| Modulation characteristics | S8 (125 Kbps), Δf1max &gt; 185 kHz | – | – | 100 | – | % |
| Carrier frequency offset and drift | 1 Mbps, |fn| | – | – | &lt;20 | – | kHz |
| Carrier frequency offset and drift | 1 Mbps, |f<sub class="ph sub">0</sub>- fn| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | 1 Mbps, |f<sub class="ph sub">1</sub>- f<sub class="ph sub">0</sub>| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | 1 Mbps, |fn-f(n-5)| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | 2 Mbps, |fn| | – | – | &lt;20 | – | kHz |
| Carrier frequency offset and drift | 2 Mbps, |f<sub class="ph sub">0</sub>- fn| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | 2 Mbps, |f<sub class="ph sub">1</sub>- f<sub class="ph sub">0</sub>| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | 2 Mbps, |fn-f(n-5)| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | S8 (125 Kbps), | fn| | – | – | &lt;20 | – | kHz |
| Carrier frequency offset and drift | S8 (125 Kbps), |f<sub class="ph sub">0</sub>- fn| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | S8 (125 Kbps), |f<sub class="ph sub">0</sub>- f<sub class="ph sub">3</sub>| | – | – | &lt;1 | – | kHz |
| Carrier frequency offset and drift | S8 (125 Kbps), | fn-f(n-3)| | – | – | &lt;1 | – | kHz |
| In-band emission | 1 Mbps, F = F<sub class="ph sub">0</sub>± 2 MHz | – | – | -41 | – | dBm |
| In-band emission | 1 Mbps, F = F<sub class="ph sub">0</sub>± 3 MHz | – | – | -41 | – | dBm |
| In-band emission | 2 Mbps, F = F<sub class="ph sub">0</sub>± 4 MHz | – | – | -41 | – | dBm |
| In-band emission | 2 Mbps, F = F<sub class="ph sub">0</sub>± 5 MHz | – | – | -42 | – | dBm |
| In-band emission | 2 Mbps, F = F<sub class="ph sub">0</sub>± 6 MHz | – | – | -42 | – | dBm |
| Tx power | 1 Mbps | – | – | 10 | 20 | dBm |
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| Mode | Mode | Note | Performance at 3.3 V, 25°C | Performance at 3.3 V, 25°C | Performance at 3.3 V, 25°C | Performance at 3.3 V, 25°C |
| --- | --- | --- | --- | --- | --- | --- |
| Mode | Mode | Note | Min. | Typ | Max. | Unit |
| Receiver sensitivity | 1 Mbps | Packet Length 37 bytes, Dirty Transmitter off | – | -99 | – | dBm |
| Receiver sensitivity | 1 Mbps | Packet Length 37 bytes, Dirty Transmitter on | – | -98.5 | – | dBm |
| Receiver sensitivity | 2 Mbps | Packet Length 37 bytes, Dirty Transmitter off | – | -96.5 | – | dBm |
| Receiver sensitivity | 2 Mbps | Packet Length 37 bytes, Dirty Transmitter on | – | -96.5 | – | dBm |
| Receiver sensitivity | S2 (500 Kbps) | Packet Length 37 bytes, Dirty Transmitter off | – | -102 | – | dBm |
| Receiver sensitivity | S2 (500 Kbps) | Packet Length 37 bytes, Dirty Transmitter on | – | -101.5 | – | dBm |
| Receiver sensitivity | S8 (125 Kbps) | Packet Length 37 bytes, Dirty Transmitter off | – | -105 | – | dBm |
| Receiver sensitivity | S8 (125 Kbps) | Packet Length 37 bytes, Dirty Transmitter on | – | -104.5 | – | dBm |
| Maximum input level | 1 Mbps | – | – | 5 | – | dBm |
| Maximum input level | 2 Mbps | – | – | 5 | – | dBm |
| C/I performance | 1 Mbps, F = F0 | – | – | 5 | – | dB |
| C/I performance | 1 Mbps, F = F<sub class="ph sub">0</sub> + 1 MHz | – | – | -5 | – | dB |
| C/I performance | 1 Mbps, F = F<sub class="ph sub">0</sub> - 1 MHz | – | – | -3 | – | dB |
| C/I performance | 1 Mbps, F = F<sub class="ph sub">0</sub> + 2 MHz | – | – | -36 | – | dB |
| C/I performance | 1 Mbps, F = F<sub class="ph sub">0</sub> - 2 MHz | – | – | -27 | – | dB |
| C/I performance | 1 Mbps, F = F<sub class="ph sub">0</sub> + 3 MHz | – | – | -41 | – | dB |
| C/I performance | 1 Mbps, F = F<sub class="ph sub">0</sub> - 3 MHz | – | – | -33 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> | – | – | 6 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> + 2 MHz | – | – | -8 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> - 2 MHz | – | – | -6 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> + 4 MHz | – | – | -40 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> - 4 MHz | – | – | -35 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> + 6 MHz | – | – | -42 | – | dB |
| C/I performance | 2 Mbps, F = F<sub class="ph sub">0</sub> - 6 MHz | – | – | -42 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> | – | – | 4 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> + 1 MHz | – | – | -8 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> - 1 MHz | – | – | -7 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> + 2 MHz | – | – | -45 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> - 2 MHz | – | – | -31 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> + 3 MHz | – | – | -50 | – | dB |
| C/I performance | S2 (500 Kbps), F = F<sub class="ph sub">0</sub> - 3 MHz | – | – | -34 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> | – | – | 5 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> + 1 MHz | – | – | -11 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> - 1 MHz | – | – | -9 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> + 2 MHz | – | – | -50 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> - 2 MHz | – | – | -34 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> + 3 MHz | – | – | -53 | – | dB |
| C/I performance | S8 (125 Kbps), F = F<sub class="ph sub">0</sub> - 3 MHz | – | – | -38 | – | dB |
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## Audio characteristics

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

| Parameter | Parameter | Conditions | Min. | Typ | Max. | Unit |
| --- | --- | --- | --- | --- | --- | --- |
| At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, 16‑bit audio data (unless otherwise noted) |
| Audio ADC | Input signal full-scale level | Differential input, 6 dB PGA gain | – | 1.16 | – | Vrms |
| Audio ADC | Input signal full-scale level | Single-ended input, 6 dB PGA gain | – | 0.8 | – | Vrms |
| Audio ADC | Input common-mode voltage | Differential/single-ended input | – | 1.57 | – | V |
| SNR | Signal-to-noise ratio, A-weighted | f<sub class="ph sub">S</sub> = 48 kHz, 0 dB PGA gain, 1kHz full-scale sine-wave<br>                            input | – | 96 | – | dB |
| DR | Dynamic range, A-weighted | f<sub class="ph sub">S</sub> = 48 kHz, 0 dB PGA gain, 1 kHz -60 dB sine-wave<br>                            input | – | 95 | – | dB |
| THD | Total harmonic distortion | f<sub class="ph sub">S</sub> = 48 kHz, 0 dB PGA gain, 1 kHz -5 dB sine-wave<br>                            input | – | -90 | – | dB |
| Frequency response<br>                            (20 Hz~16 kHz) | Frequency response<br>                            (20 Hz~16 kHz) | -5 dB sine-wave input | – | ±0.13 | – | dB |
| ADC programmable analog amplifier gain<br>                            range | ADC programmable analog amplifier gain<br>                            range | Analog gain resolution = 3 dB | 6 | – | 42 | dB |
| ADC programmable digital gain<br>                            range | ADC programmable digital gain<br>                            range | Digital gain resolution = 0.5 dB | -95.5 | – | 31.5 | dB |
| Input resistance | Input resistance | Analog gain 6 dB to 42 dB | 160 K | – | 480 | kΩ |
| At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) | At 25°C, VDDIO = 3.3 V, f<sub class="ph sub">S</sub> =<br>                            48 kHz, at AUDAC\_P/N with RC filter (R = 1KΩ, C = 470 pF) (unless<br>                            otherwise noted) |
| AUDIO DAC | Input signal full-scale level | Differential output, 0 dB line-out gain | – | 1.8 | – | Vrms |
| SNR | Signal-to-noise ratio, A-weighted | f<sub class="ph sub">S</sub> = 48 kHz,<br><br><br>                            <br>1 kHz full-scale sine-wave output | – | 95 | – | dB |
| DR | Dynamic range, A-weighted | f<sub class="ph sub">S</sub> = 48 kHz, 1 kHz -60 dB sine-wave output | – | 95 | – | – |
| THD | Total harmonic distortion | f<sub class="ph sub">S</sub> = 48 kHz, 1 kHz -5 dB sine-wave output | – | -80 | – | – |
| Noise floor | Noise floor | Play 0 data at No A-weighted | – | 26 | – | Vrms |
| Frequency response<br>                            (20 Hz~16 kHz) | Frequency response<br>                            (20 Hz~16 kHz) | -5 dB sine-wave input | – | ±0.25 | – | dB |
| Programmable digital gain range | Programmable digital gain range | Digital gain resolution = 0.5 dB | -95.5 | – | 31.5 | dB |
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## Power consumption

Source: [https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html](https://docs.qualcomm.com/doc/80-WL748-1/topic/electrical-specifications.html)

| Mode | State | Current consumption (µA) |
| --- | --- | --- |
| Shut-down | CHIP\_EN = low level | 0.15 |
| Hibernate | HBN2 | 2.1 |
| Standby | Deep sleep | 90 |
| Power Save 2.4 GHz<br><br><br>                            <br>(with internal RC32k RTC clock) | DTIM = 1 | 690 |
| Power Save 2.4 GHz<br><br><br>                            <br>(with internal RC32k RTC clock) | DTIM = 3 | 290 |
| Power Save 2.4 GHz<br><br><br>                            <br>(with internal RC32k RTC clock) | DTIM = 10 | 190 |
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Table : Power consumption for continuous WLAN Tx 2.4&nbsp;GHz at 3.3&nbsp;V, 25°C

| Rate | Power (dBm) | Current consumption (mA) |
| :---: | :---: | :---: |
| 11b 1 Mbps | 22 | 372 |
| 11b 11 Mbps | 22 | 377 |
| 11g 6 Mbps | 21 | 352 |
| 11g 54 Mbps | 19 | 304 |
| MCS0 HT20 | 20 | 326 |
| MCS7 HT20 | 19 | 311 |
| MCS0 HT40 | 19 | 310 |
| MCS7 HT40 | 18 | 292 |
| MCS0 HE20 | 20 | 317 |
| MCS9 HE20 | 18 | 285 |
| MCS0 HE40 | 20 | 321 |
| MCS9 HE40 | 16 | 262 |

Table : Power consumption for continuous WLAN Rx 2.4&nbsp;GHz at 3.3&nbsp;V, 25°C

| Rate | Current consumption (mA) |
| :---: | :---: |
| 11b 1 Mbps | 55 |
| 11b 11 Mbps | 56 |
| 11g 6 Mbps | 59 |
| 11g 54 Mbps | 62 |
| MCS0 HT20 | 59 |
| MCS7 HT20 | 63 |
| MCS0 HT40 | 71 |
| MCS7 HT40 | 78 |
| MCS0 HE20 | 60 |
| MCS9 HE20 | 65 |
| MCS0 HE40 | 74 |
| MCS9 HE40 | 77 |

Table : Power consumption for BLE at 3.3&nbsp;V, 25°C

| Description | Current consumption (mA) |
| :---: | :---: |
| Continuous Rx burst | 53 |
| Continuous Tx (+4 dBm) | 107 |
| Continuous Tx (+10 dBm) | 167 |
| 1.28 sec page scan (non-interlaced) | 0.75 |
| 1.28 sec LE ADV | 0.32 |

Table : Power consumption for 802.15.4 at 3.3&nbsp;V, 25°C

| Description | Current consumption (mA) |
| :---: | :---: |
| Continuous Rx burst | 54 |
| Continuous Tx (+20 dBm) | 292 |

Last Published: Apr 22, 2026

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