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DAC12 Introduction
19-3
DAC12
Figure 19−1. DAC12 Block Diagram
DAC12_0
DAC12_0OUT
2.5V or 1.5V reference from ADC12
DAC12SREFx
V
R−
V
R+
DAC12_0DAT
DAC12_0Latch
DAC12_1
DAC12LSELx
V
R−
V
R+
DAC12_1DAT
DAC12_1Latch
TB2
TA1
DAC12DF
DAC12RES
AV
SS
00
01
10
11
00
01
10
11
00
01
10
11
Ve
REF+
V
REF+
DAC12DF
DAC12RES
Latch Bypass
DAC12LSELx
TB2
TA1
00
01
10
11
00
01
10
11
Latch Bypass
DAC12IR
To ADC12 module
DAC12_1DAT Updated
DAC12_0DAT Updated
1
0
0
1
ENC
0
1
ENC
DAC12GRP
1
0
DAC12GRP
DAC12SREFx
AV
SS
00
01
10
11
x3
/3
DAC12_1OUT
DAC12AMPx
3
x3
DAC12IR
/3
Group
Load
Logic
DAC12AMPx
3