Contents
© 2021-2022 Beken Corporation 3 DS-BK3296-E04 V0.4
4.16.1 Four-Band Digital Equalizer .............................................................................................................................................. 21
4.16.2 Audio ADC and DAC ......................................................................................................................................................... 21
4.16.3 Microphone Input Amplifier and Bias ............................................................................................................................... 21
4.16.4 Audio Output ....................................................................................................................................................................... 21
4.17 General Purpose SAR ADC...................................................................................................................................................... 21
4.18 Timers .......................................................................................................................................................................................... 22
4.19 IrDA .............................................................................................................................................................................................. 22
4.20 Temperature Sensor .................................................................................................................................................................. 22
4.21 Touch Sensor .............................................................................................................................................................................. 23
5. Electrical Characteristics ............................................................................................................................................ 24
5.1 Absolute Maximum Ratings ...................................................................................................................................................... 24
5.2 Recommended Operating Conditions ..................................................................................................................................... 24
5.3 Battery Charge ............................................................................................................................................................................ 25
5.4 Buck ............................................................................................................................................................................................. 25
5.5 System LDO ................................................................................................................................................................................ 25
5.6 Analog LDO ................................................................................................................................................................................. 26
5.7 Digital LDO .................................................................................................................................................................................. 26
5.8 Crystal and Reference Clock .................................................................................................................................................... 26
5.9 Current Consumption ................................................................................................................................................................. 26
5.10 RF Characteristics ...................................................................................................................................................................... 27
5.11 Audio Characteristics.................................................................................................................................................................. 27
6. Package Information .................................................................................................................................................. 28
6.1 QFN32 4 x 4 mm Package ....................................................................................................................................................... 28
6.2 QFN20 3 x 3 mm Package ....................................................................................................................................................... 30
7. Reflow Soldering Profile ............................................................................................................................................. 32
8. Ordering Information ................................................................................................................................................... 34
Revision History .................................................................................................................................................................. 35
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