MCP4922 Microchip Technology, MCP4922 Datasheet - Page 25

• Manufacturer Part Number: MCP4922
• Description: 8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter
• Manufacturer: Microchip Technology

FIGURE 5-1:
FIGURE 5-2:
FIGURE 5-3:
 2010 Microchip Technology Inc.
CS
SCK
SDI
LDAC
V
CS
SCK
SDI
LDAC
V
CS
SCK
SDI
LDAC
V
Note:
Note:
OUT
OUT
OUT
A/B
A/B
A/B
0
0
0
X = “don’t care” bits
X = “don’t care” bits
BUF
BUF
BUF
config bits
config bits
config bits
1
1
1
GA SHDN D11 D10
GA SHDN D9
GA SHDN
Write Command for MCP4922 (12-bit DAC).
Write Command for MCP4912 (10-bit DAC).
Write Command for MCP4902 (8-bit DAC).
2
2
2
3
3
3
D7
4
4
4
D8
D6
5
5
5
D9
D7
D5 D4 D3 D2 D1 D0
6
6
6
D8 D7 D6
D6 D5 D4
7
7
7
8
8
8
12 data bits
12 data bits
12 data bits
9
9
9
10
10
10
D5 D4 D3 D2 D1 D0
D3 D2 D1 D0
11
11
11
MCP4902/4912/4922
12
12
12
X
13 14 15
13 14 15
13 14 15
X
X
X
X
X
(Mode 1,1)
(Mode 0,0)
(Mode 1,1)
(Mode 0,0)
(Mode 1,1)
(Mode 0,0)
DS22250A-page 25
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