LTC1446/LTC1446L
U
TYPICAL APPLICATIONS N
This circuit shows how to use an LTC1446 and an
for DAC A, sets the offset. As this value changes, the
transfer curve for the output moves up and down as
illustrated in the graph below.
LT®1077tomakeawidebipolaroutputswing12-bitDAC
with an offset that can be digitally programmed. VOUT A
,
which can be set by loading the appropriate digital code
A Wide Swing, Bipolar Output DAC with Digitally Controlled Offset
5V
0.1µF
CLK
V
OUT B
15V
50k
D
V
CC
IN
+
–
LTC1446
V
=
µP
OUT
LT1077
100k
2 (V
– V
OUT A)
OUT B
CS/LD
GND
D
V
OUT A
OUT
–15V
100k
50k
8.190
V
A
B
C
OUT
4.094
0
D
IN
–4.096
–8.190
A: V
B: V
C: V
0V
2.048V
4.095V
OUT A
OUT A
OUT A
1446/46L F02
9
Linear [ Linear ]
