Datasheet

LTC1664
12
1664fa
typical applications
5V
1664 TA02
2
5
1
GND
V
OUT A
V
OUT B
REF
CS/LD
CLK
3-WIRE
SERIAL
INTERFACE
V
CC
V
OUT D
V
OUT C
CLR
D
OUT
D
IN
16
DAC A DAC D
3 4
DAC B DAC C
7 6 8
10 11
9
ADDRESS
DECODER
CONTROL
LOGIC
SHIFT REGISTER
U1
LTC1664
V
OUT B
′
±5V
R
R
7
6
5
–
+
U2B
LT1491
V
OUT A
′
±5V
R
0.1µF 0.1µF
V
S
+
V
S
–
R
1
2
4
11
3
–
+
U2A
LT1491
0.1µF
V
OUT C
′
±5V
8
9
10
–
+
U2C
LT1491
V
OUT D
′
±5V
R
R
RR
14
13
12
–
+
U2D
LT1491
CODE V
OUT X
– 5V
0V
+4.99V
0
512
1023
A 4-Channel Bipolar Output Voltage Circuit Configuration