LTC7545 Linear Technology, LTC7545 Datasheet - Page 5

• Manufacturer Part Number: LTC7545
• Description: Improved Industry Standard Parallel 12-Bit Multiplying DAC
• Manufacturer: Linear Technology

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