ak4634 AKM Semiconductor, Inc., ak4634 Datasheet - Page 5

• Manufacturer Part Number: ak4634
• Description: 16-bit Mono Codec With Alc & Mic/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

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