AK4634EN Datasheet, PDF (7/94 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK -AMP

[AK4634]
PIN/FUNCTION (AK4634ECB)
No. Pin Name
I/O
Function
D2 VCOM
Common Voltage Output Pin, 0.45 x AVDD
O
Bias voltage of ADC inputs and DAC outputs.
C1 VSS1
D1 AVDD
E2 VCOC
A2 PDN
A6 I2C
B2
CSN
SDA
B3
CCLK
SCL
C3 CDTIO
B4 SDTI
- Ground Pin
- Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit
O
This pin must be connected to VSS1 with one resistor and capacitor in series.
Power-Down Mode Pin
I
“H”: Power up, “L”: Power down reset and initialize the control register.
AK4634 must always be reset upon power-up.
I
Control Mode Select Pin
“H”: I²C Bus, “L”: 3-wire Serial
I Chip Select Pin (I2C pin = “L”)
I/O Control Data Input/Output Pin (I2C pin = “H”)
I Control Data Clock Pin (I2C pin = “L”)
I Control Data Clock Pin (I2C pin = “H”)
I/O
Control Data Input/Output Pin (I2C pin = “L”)
This pin must be connected to the ground. (I2C pin = “H”)
I Audio Serial Data Input Pin
A5 SDTO
O Audio Serial Data Output Pin
A3 FCK
I/O Frame Clock Pin
A4 BICK
I/O Audio Serial Data Clock Pin
B6 DVDD
- Digital Power Supply Pin
C6 VSS2
- Ground Pin.
C4 MCKI
B5 MCKO
I External Master Clock Input Pin
O Master Clock Output Pin
E5 SPP
O Speaker Amp Positive Output Pin
C5 SPN
O Speaker Amp Negative Output Pin
D6 VSS3
- Ground Pin
D5 SVDD
- Speaker Amp Power Supply Pin
D4 AOUT
O Mono Line Output Pin
D3 MPI
O MIC Power Supply Pin for Microphone
E3 ^MIC
MICP
I Microphone Input Pin for Single Ended Input
I Microphone Positive Input Pin for Differential Input
(MDIF bit = “0”)
(MDIF bit = “1”)
LIN
E4
MICN
I Line Input Pin for Single Ended Input
I Microphone Negative Input Pin for Differential Input
(MDIF bit = “0”)
(MDIF bit = “1”)
E1 TST3
TEST3 pin
-
This pin must be open.
C2 TST2
TEST2 pin
-
This pin must be open.
A1 TST1
E6 NC
TEST1 pin
-
This pin must be open.
No Connection.
-
No internal bonding. This pin must be connected to the ground.
Note: All input pins except analog input pins (MIC/MICP, LIN/MICN pins) must not be left floating
MS0686-E-03
-7-
2014/10