WM2604
Production Data
PIN CONFIGURATION
DVDD
NPD
NLDAC
DIN
SCLK
NCS
FS
DGND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AVDD
REFINAB
OUTA
OUTB
OUTC
OUTD
REFINCD
AGND
PIN DESCRIPTION
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
NAME
DVDD
NPD
NLDAC
DIN
SCLK
NCS
FS
DGND
AGND
REFINCD
OUTD
OUTC
OUTB
OUTA
REFINAB
AVDD
TYPE
Supply
Digital input
Digital input
Digital input
Digital input
Digital input
Digital input
Ground
Ground
Analogue input
Analogue output
Analogue output
Analogue output
Analogue output
Analogue input
Supply
DESCRIPTION
Digital supply.
Power down. Powers down all DACs overriding their individual power down
settings and all output stages. This pin is active low.
Load DAC. Digital input active low. NLDAC must be taken low to update
the DAC latch from the holding latches.
Serial data input.
Serial clock input.
Chip select. This pin is active low.
Frame synchronisation for serial input data.
Digital ground.
Analogue ground.
Voltage reference input for DACs C and D.
DAC D output.
DAC C output.
DAC B output.
DAC A output.
Voltage reference input for DACs A and B.
Analogue supply.
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 June 1999
2
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
