AK7740ET Datasheet, PDF (2/48 Pages) Asahi Kasei Microsystems – 24bit 2ch ADC + 24bit 4ch DAC with Audio DSP

[ASAHI KASEI]
[AK7740ET]
3. Block diagram
LRCLK BITCLK CLKOUT XTI XTO SMODE
SDOUTA
OUTAE
LRCLK BITCLK CLKOUT XTI XTO SMODE _{INIT_RESET}
CONTROLLER
S_RESET
SDINA
SDIN
RQ
SI
SO
SCLK
RDY
DRDY
JX
SW3
RQ
SI
SO
SCLK
RDY
DRDY
JX
DSP
SDINA
SDIN
ISEL[2:0]
SDOUTD1
SDOUTD2
SDOUT
ADC AINL-
AINL+
SW0
SDATA
AINR-
AINR+
SW2
VREF
SDATA _DAC1 AOUTL
AOUTR
SW2
SDATA ^{DAC2 AOUTL}
AOUTR
SW1
72kbit DLRAM
* SW1,SW2,SW3,ISEL[2:0],
OUTAE control register
Note) _A
B
C
Q ^{When C is “L”(0) then A connects with Q.}
INIT_RESET
S_RESET
AINL-
AINL+
AINL1
AINL2
AINL3
AINL4
AINR-
AINR+
AINR1
AINR2
AINR3
AINR4
VREFH
VCOM
AOUTL1
AOUTR1
AOUTL2
AOUTR2
SDOUT
This block diagram is a simplified illustration of the AK7740; it is not a circuit diagram.
<Pre-E-01>
-2-
2006/10