ltc7545absw-trpbf Linear Technology Corporation, ltc7545absw-trpbf Datasheet - Page 6

• Manufacturer Part Number: ltc7545absw-trpbf
• Description: Improved Industry Standard Parallel 12-bit Multiplying Dac
• Manufacturer: Linear Technology Corporation

LTC7545A
6
TYPICAL APPLICATIONS
P
4–15
0.1 F
17
16
5V OR 15V
WR
CS
DB11–DB0
Table 2. Bipolar Offset Binary Code Table
V
MSB
DD
U
18
–10V TO 10V
1111
1000
1000
0111
0000
LTC7545A
V
V
REF
REF
BINARY NUMBER
N
19
DIGITAL INPUT
IN DAC LATCH
DGND
R
FB
1111
0000
0000
1111
0000
AGND
20
3
Bipolar Operation (4-Quadrant Multiplication)
OUT1
1
2
1111
0001
0000
1111
0000
LSB
V
V
0V
–V
–V
33pF
REF
REF
REF
REF
ANALOG OUTPUT
(2047/2048)
(1/2048)
(1/2048)
(2048/2048) = –V
–
+
1/2LT1112
20K
R2
V
OUT
REF
10K
R1
–
+
1/2LT1112
20K
R3
7545A TA04
V
OUT