[AK4425A]
PIN/FUNCTION
No. Pin Name
I/O
-
Function
1
Digital Circuit and Charge Pump Circuit Power Supply Pin: 4.5V∼5.5V
Master Clock Input Pin
VDD
2
MCLK
I
An external TTL clock must be input on this pin.
3
4
5
6
7
8
Audio Serial Data Clock Pin
BICK
SDTI
LRCK
CSN
I
I
I
I
I
I
Audio Serial Data Input Pin
L/R Clock Pin
Chip Select Pin
Control Clock input Pin
CCLK
CDTI
Control Data Input Pin
Rch Analog Output Pin
9
AOUTR
O
When power down, outputs VSS(0V, typ).
10
11
Analog Block Power Supply Pin: 4.5V∼5.5V
Ground Pin2
AVDD
VSS2
-
-
Lch Analog Output Pin
12
AOUTL
O
When power down, outputs VSS(0V, typ).
Negative Voltage Output Pin
Connect to VSS1 with a 1.0μF capacitor which is low ESR (Equivalent
Series Resistance) over all temperature range. When this capacitor has the
polarity, the positive polarity pin must be connected to the VSS1 pin. Non
polarity capacitors can also be used.
13
VEE
O
Negative Charge Pump Capacitor Terminal Pin
Connect to CP with a 1.0μF capacitor which is low ESR (Equivalent Series
Resistance) over all temperature range. When this capacitor has the polarity,
the positive polarity pin must be connected to the CP pin. Non polarity
capacitors can also be used.
14
CN
I
Positive Charge Pump Capacitor Terminal Pin
Connect to CN with a 1.0μF capacitor which is low ESR (Equivalent Series
Resistance) over all temperature range. When this capacitor has the polarity,
the positive polarity pin must be connected to the CP pin. Non polarity
capacitors can also be used.
15
16
CP
I
-
Ground Pin1
VSS1
Note: All input pins except for the CN pin should not be left floating.
MS1127-E-01
2011/03
- 4 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
