
LTC1665/LTC1660
14
166560fa
TYPICAL APPLICATIONS
An 8-Channel Bipolar Output Voltage Circuit Configuration
VOUT D
±5V
5V
R
166560 TA04
2
15
1
GND
VOUT A
VOUT B
VOUT C
VOUT D
REF
CS/LD
CLK
3-WIRE
SERIAL
INTERFACE
VCC
VOUT H
VOUT G
VOUT F
VOUT E
CLR
DOUT
DIN
16
DAC A
DAC H
3
14
DAC B
DAC G
4
13
DAC C
DAC F
5
7
6
8
10
11
9
12
DAC D
DAC E
ADDRESS
DECODER
CONTROL
LOGIC
SHIFT REGISTER
U1
LTC1660
14
13
12
–
+
U2D
LT1491
VOUT C
±5V
R
8
9
10
–
+
U2C
LT1491
VOUT B
±5V
R
7
6
5
–
+
U2B
LT1491
VOUT A
±5V
R
0.1μF
VS
+
VS
–
R
1
2
4
11
3
–
+
U2A
LT1491
0.1μF
VOUT E
±5V
14
13
12
–
+
U3D
LT1491
VOUT F
±5V
8
9
10
–
+
U3C
LT1491
VOUT G
±5V
7
6
5
–
+
U3B
LT1491
VOUT H
±5V
R
0.1μF
VS
+
VS
–
R
1
2
4
11
3
–
+
U3A
LT1491
CODE
0
512
1023
VOUT X
–5V
0V
+4.99V