ak7742 ETC-unknow, ak7742 Datasheet - Page 6

• Manufacturer Part Number: ak7742
• Description: 24bit 2ch Adc + 24bit 4ch Dac With Audio Dsp
• Manufacturer: ETC-unknow

31 AVDRV
32 AVDD
33 AOUT2RN
34 AOUT2RP
35 AOUT2LN
36 AOUT2LP
37 AOUT1RN
38 AOUT1RP
39 AOUT1LN
40 AOUT1LP
41 VSS1
42 VCOM
43 AVDD
44 AIN1RN
45 AIN1RP
46 AIN1LN
47 AIN1LP
48 AIN3R
Note:
Rev.0.5b_PB
Digital input pins are never to be left open.
If analog input pins (AIN1LP, AIN1LN, AIN1RP, AIN1RN, AIN2L, AIN2R, AIN3L, AIN3R) are not used, leave
them open.
O
O DAC2 Rch differential inverted analog output pin
O DAC2 Rch differential non-inverted analog output pin
O DAC2 Lch differential inverted analog output pin
O DAC2 Lch differential non-inverted analog output pin
O DAC1 Rch differential inverted analog output pin
O DAC1 Rch differential non-inverted analog output pin
O DAC1 Lch differential inverted analog output pin
O DAC1 Lch differential non-inverted analog output pin
O
I ADC Lch differential non-inverted analog input pin
I ADC Rch Single-end input 3 pin
I ADC Rch differential inverted analog input pin
I ADC Rch differential non-inverted analog input pin
I ADC Lch differential inverted analog input pin
AVDRV Pin
Power supply pin for analog section 3.0V ~ 3.6V
Analog ground 0V
Analog common voltage
Power supply pin for analog section 3.0V ~ 3.6V
Connect 1μF to VSS1. Never to use for external circuit. “L” output during
initial reset
Connect 0.1μF and 2.2μF in parallel to VSS1. Never to use for external
circuit. “L” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
“Hi-Z” output during initial reset
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6
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Analog power supply
Analog power supply
Analog output
Analog output
Analog output
Analog output
Analog output
Analog output
Analog output
Analog output
Analog power supply
Analog output
Analog power supply
Analog input
Analog input
Analog input
Analog input
Analog input
[AK7742]
2008/08