Datasheet

5
LTC7545A
TYPICAL APPLICATIONS N
U
Unipolar Operation (2-Quadrant Multiplication)
ANALOG OUTPUT
V
OUT
MSB LSB
1111 1111 1111 –V
REF
(4095/4096)
1000 0000 0000 –V
REF (2048/4096) = –V
REF
/2
0000 0000 0001 –V
REF (1/4096)
0000 0000 0000 0V
DIGITAL INPUT
BINARY NUMBER
IN DAC LATCH
Table 1. Unipolar Binary Code Table
V
DD
V
REF
LTC7545A
R
FB
OUT1
DGND
AGND
3
2
17
16
4–15
18
5V OR 15V
V
REF
–10V TO 10V
µP
WR
CS
DB11 to DB0
19
20
1
33pF
0.1µF
V
OUT
0V TO – V
REF
7545A TA03
–
+
LT1097