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WM2633 Datasheet(PDF) 2 Page - Wolfson Microelectronics plc

Part No. WM2633
Description  Byte-wide Parallel Input, 12-bit Voltage Output DAC with Internal Reference
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
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WM2633 Datasheet(HTML) 2 Page - Wolfson Microelectronics plc

 
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WM2633
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 1999
2
PIN CONFIGURATION
9
10
SPD
DVDD
12
11
REF
AVDD
20
13
14
15
16
17
18
19
D1
AGND
NPD
NLDAC
NWE
NCS
D0
OUT
8
1
2
3
4
5
6
7
A0
D3
D4
D5
D6
D7
A1
D2
PIN DESCRIPTION
PIN NO
NAME
TYPE
DESCRIPTION
1
D2
Digital input
Data input.
2
D3
Digital input
Data input.
3
D4
Digital input
Data input.
4
D5
Digital input
Data input.
5
D6
Digital input
Data input.
6
D7
Digital input
Data input.
7
A1
Digital input
Address input.
8
A0
Digital input
Address input.
9
SPD
Digital input
Speed select. Digital input.
10
DVDD
Supply
Digital positive power supply.
11
AVDD
Supply
Analogue positive power supply.
12
REF
Analogue I/O
Analogue reference voltage input/output.
13
OUT
Analogue output
DAC analogue voltage output.
14
GND
Supply
Ground.
15
NPD
Digital input
Power down. Active low digital input which powers down all analogue
circuits.
16
NLDAC
Digital input
Load DAC. Digital input active low. NLDAC must be taken low to update
the DAC latch from the holding latches.
17
NWE
Digital input
Write enable. Digital input active low.
18
NCS
Digital input
Chip select. Digital input active low.
19
D0
Digital input
Data input.
20
D1
Digital input
Data input.


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