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LTC7545ACSW#TRPBF

P1-P3P4-P6P7-P8
4
LTC7545A
40k
10k
40k
20k
40k
20k
40k
20k
40k40k40k
DECODER
LOAD
V
DD
V
REF
R
FB
OUT1
AGND
DGND3
2
1
20
7545A BD
INPUT DATA LATCHES
16
45 67 15
DB11
(MSB)
DB10 DB9 DB8
• • • • • • •
DB0
(LSB)
17
18
19
WR
CS
BLOCK DIAGRAM
W
TI I G DIAGRA
UWW
t
CH
t
CS
t
DS
t
DH
t
WR
DATA VALID
DATA IN
DB0 to DB11
WR
CS
7545A TD
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
6
LTC7545A
TYPICAL APPLICATIONS N
U
Bipolar Operation (4-Quadrant Multiplication)
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–DB0
19
20
1
33pF
R1
10K
0.1µF
V
OUT
7545A TA04
–
+
1/2LT1112
–
+
1/2LT1112
R2
20K
R3
20K
ANALOG OUTPUT
V
OUT
Table 2. Bipolar Offset Binary Code Table
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
DIGITAL INPUT
BINARY NUMBER
IN DAC LATCH
P1-P3P4-P6P7-P8

LTC7545ACSW#TRPBF

Mfr. #:
Buy LTC7545ACSW#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC Imp Ind St&ard Parallel 12-B Mult DAC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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