AK4634 Datasheet, PDF (5/77 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

[AK4634]
PIN/FUNCTION
No. Pin Name
1 NC
2 TST3
3 AVDD
4 VSS1
5 TST2
6 TST1
7 NC
CSN
8
SDA
9 PDN
10 CDTIO
CCLK
11
SCL
12 FCK
13 MCKI
14 BICK
15 SDTI
16 SDTO
17 I2C
18 MCKO
19 DVDD
20 VSS2
21 NC
22 SPN
23 VSS3
24 NC
25 SPP
26 SVDD
27 AOUT
LIN
28
MICN
MIC
29
MICP
30 MPI
31 VCOM
32 VCOC
I/O
Function
- No Connection. No internal bonding. This pin should be connected to the ground.
- ^{TEST3 pin}
This pin should be open.
- Analog Power Supply Pin 2.2 ~ 3.6V
- Ground Pin.
- ^{TEST2 pin}
This pin should be open.
- ^{TEST1 pin}
This pin should be open.
- No Connection. No internal bonding. This pin should be connected to the ground.
I Chip Select Pin (I2C pin = “L”)
I/O Control Data Input/Output Pin (I2C pin = “H”)
Power-Down Mode Pin
I
“H”: Power up, “L”: Power down reset and initialize the control register.
AK4634 should always be reset upon power-up.
I/O
Control Data Input/Output Pin (I2C pin = “L”)
This pin should be connected to the ground. (I2C pin = “H”)
I Control Data Clock Pin (I2C pin = “L”)
I Control Data Clock Pin (I2C pin = “H”)
I/O Frame Clock Pin
I External Master Clock Input Pin
I/O Audio Serial Data Clock Pin
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
I Control Mode Select Pin “H”: I²C Bus, “L”: 3-wire Serial
O Master Clock Output Pin
- Digital Power Supply Pin 1.6 ~ 3.6V
- Ground Pin.
- No Connection. No internal bonding. This pin should be connected to the ground.
O Speaker Amp Negative Output Pin
- Ground Pin.
- No Connection. No internal bonding. This pin should be connected to the ground.
O Speaker Amp Negative Output Pin
- Speaker Amp Power Supply Pin 2.2 ~4.0V
O Mono Line Output Pin
I Line Input Pin for Single Ended Input
(MDIF bit = “0”)
I Microphone Negative Input Pin for Differential Input (MDIF bit = “1”)
I Microphone Input Pin for Single Ended Input
(MDIF bit = “0”)
I Microphone Positive Input Pin for Differential Input (MDIF bit = “1”)
I MIC Power Supply Pin for Microphone
O
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
O
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to VSS1 with one resistor and capacitor in series.
Note : All input pins except analog input pins (MIC/MICP, LIN/MICN pins) must not be left floating
Rev. 0.5
2007/10
-5-