AK2331 Datasheet, PDF (5/17 Pages) Asahi Kasei Microsystems – DAC Type 8-bit 4-channel Electronic Volume

[AK2331]
Pin Functions
Pin
Pin
Pin
Pin status at
No.
name type system
reset
5
RSTN
DI
Z
Reset pin
Function
6
CSN
DI
Z
Chip select input pin for serial interface data
7
SCLK
DI
Z
Clock input pin for serial interface data
8
SDATA DI
Z I/O pin for serial interface data
Digital VDD power supply pin
9
DVDD PWR
-
Connect this pin to a 2.6 to 5.5V power supply. Connect a
bypass capacitor of 0.1μF or greater between this pin and the
VSS pin.
10
VSS PWR
-
VSS power supply pin
Always apply a voltage of 0V to this pin.
Analog VDD power supply pin
Connect this pin to a 2.6 to 5.5V power supply. Connect a
11
AVDD PWR
-
bypass capacitor of 0.1μF or greater between this pin and the
VSS pin.
Apply a voltage so that DVDD is equal to or less than AVDD.
12
VREF
AI
Z D/A converter reference voltage input pin
1
VIN0
AI
L
4
VIN1
AI
L
D/A converter input pin
13
VIN2
AI
L
16
VIN3
AI
L
2
VOUT0 AO
Z
3
VOUT1 AO
14
VOUT2 AO
Z
D/A converter/buffer amplifier output pin
Z
15
VOUT3 AO
Z
Note A: Analog, D: Digital, PWR: Power, I: Input, O: Output, Z: High-Z, L: Low
MS0903-E-00
-5-
2008/03