Datasheet
7
LTC7543/LTC8143
TYPICAL APPLICATIONS
U
V
DD
V
REF
LTC7543
LTC8143
R
FB
R1
10k
R3
20k
R2
20k
AGND
DGND
3
12
2
14
5V
V
REF
–10V TO 10V
15
16
1
OUT 1
0.1µF
(LOGIC INPUTS
OMITTED FOR
CLARITY)
V
OUT
7543/8143 TA04
OUT 2
–
+
1/2
LT1112
33pF
–
+
1/2
LT 1112
Bipolar Operation (4-Quadrant Multiplication)
DIGITAL INPUT
BINARY NUMBER IN ANALOG OUTPUT
DAC REGISTER V
OUT
MSB LSB
1111 1111 1111 V
REF
(2047/2048)
1000 0000 0001 V
REF
(1/2048)
1000 0000 0000 0V
0111 1111 1111 –V
REF
(1/2048)
0000 0000 0000 –V
REF
(2048/2048) = –V
REF
Bipolar Offset Binary Code Table
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.