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PA3212L-N24-T Datasheet(PDF) 2 Page - Unisonic Technologies |
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PA3212L-N24-T Datasheet(HTML) 2 Page - Unisonic Technologies |
2 / 9 page PA3212 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 2 of 9 www.unisonic.com.tw QW-R502-310.A PIN CONFIGURATION PIN DESCRIPTION PIN NO. PIN NAME I/O DESCRIPTION 1,12,13,24 GND Ground. 11 BYPASS Connected to voltage divider 2 GAIN0 I For gain control: Bit 0 3 GAIN1 I For gain control: Bit 1 5 LLINEIN I Line input for Left channel, available when pin15 is held low. 6 LHPIN I Headphone input Left channel, available when pin15 is held high. 7,18 PVDD I Power supply voltage. 8 RIN I Differential input for right channel. And for single-ended inputs is also AC ground. 10 LIN I Differential input for Left channel. And for single-ended inputs is also AC ground. 14 PC-BEEP I PC-BEEP mode input. When at least eight continuous >1-VPP square waves is input to this pin, PC-BEEP is enabled. 17 HP/ LINE I Input of MUX control. Being high to select the inputs of Pin6, 20, and low to select inputs of PIN 5, 23. 15 SE/ BTL I Low for BTL mode, high for SE mode. 19 VDD I Analog VDD supply voltage 20 RHPIN I Right channel headphone input, selected when pin17 is held high. 23 RLINEIN I Headphone input right channel, available when pin17 is held low. 22 SHUTDOWN I In shutdown mode when held low, expect PC-BEEP remains active. 4 LOUT+ O In BTL mode: left channel + output; In SE mode: left channel + output 9 LOUT- O In BTL mode: left channel - output; In SE mode: high impedance 16 ROUT- O In BTL mode: right channel + output; In SE mode: right channel + output 21 ROUT+ O In BTL mode: right channel - output; In SE mode: high impedance |
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