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