AK7722 Datasheet, PDF (3/28 Pages) Asahi Kasei Microsystems – 24bit 4ch ADC + 24bit 4ch DAC with Audio DSP

■ Block Diagram
[AK7722]
XTO
LFLT
XTI
BICKI
LRCKI
TESTI1
TESTI2
IRESETN
CLKGEN & CONT
CLKO
BICKO
LRCKO
SDIN5
GBICKI
GLRCKI
CLKOE
BICKOE
LRCKOE
GSRC
SRIN3,SRBICK3
SRLRCK3 ₃
SRIN2,SRBICK2
SRLRCK2 3
SRIN1,SRBICK1
SRLRCK1
3
SRCLFLT
UNLOCK
SRIN2
DSEL[1:0]
2
1
0
SRIN1
MUX1
MUX[2:0]
SELDI5
1
0
SELDI4
0
1
SRC
SRCBICKI
SRCLRCKI
SRCI
SRCLFLT
UNLOCK
SRCO
SELDI3
0
1
DIN5
DIN4
DOUT5
DSP
DOUT4
DIN3
DOUT3
IRPT
SDIN1
SDIN2 / JX1
JX0
SRIN3
STO
GP1
JX1E
JX2E
WDTEN
CRCE
DIN1
DIN2
JX1
JX0
JX2
WDT
CRC
GP1
DOUT2
DOUT1
GP0
REF
pull down
Hi-z
Open Drain
LDO
2 DVDD
32 ^VSS2
3 AVDD
3 VSS3
VCOM
AVDRV
DVOL ADC2
SDOUTAD2
DVOL
SDOUTAD1
ADC1
ASEL[2:0]
5
4
3
2
1
0
SELDO5[1:0]
0
1
2
3
MUX2[2:0]
0
MUX2
1
2
3
SELDO4[1:0]
DVOL DAC2
SDINDA2
DVOL DAC1
SDINDA1
2 A2INL,A2INR
2 AIN6L,AIN6R
2 AIN5L,AIN5R
2 AIN4L,AIN4R
2 ^AIN3L,AIN3R
AIN2LP,AIN2LN
4 AIN2RP,AIN2RN
4
AIN1LP,AIN1LN
AIN1RP,AIN1RN
AOUT2LP
AOUT2LN
AOUT2RP
AOUT2RN
AOUT1LP
AOUT1LN
AOUT1RP
AOUT1RN
0
1
2
3
SELDO3[1:0]
OUT3E
SDOUT3 / IRPT
0
1
2
3
SELDO2[1:0]
OUT2E
SDOUT2
0
1
2
3 _SELDO1[1:0]
MICIF
RDY
SO
OUT1E
SDOUT1 / GP0
RDY
SO
I2CSEL
RQN / CAD1
SI / CAD0
SCLK / SCL
SDA
Figure 1. Block Diagram
* Figure 1 shows a simplified diagram of the AK7722, which is not the perfect same as the actual circuit diagram.
MS1328-E-00-PB
-3-
2011/09