Datasheet

31
21754312fa
LTC2175-12/
LTC2174-12/LTC2173-12
Typical applicaTions
LTC2175
8
7
6
5
4
3
2
1
A
IN1
+
A
IN1
–
V
CM12
A
IN2
+
A
IN2
–
REFH
REFH
REFL
REFL
A
IN3
+
A
IN3
–
V
CM34
A
IN4
+
A
IN4
–
OUT2A
+
OUT2A
–
OUT2B
+
OUT2B
–
DCO
+
DCO
–
OV
DD
OGND
FR
+
FR
–
OUT3A
+
OUT3A
–
OUT3B
+
OUT3B
–
9
10
11
12
13
14
33
34
35
36
37
38
39
40
32
31
30
29
28
27
V
DD
V
DD
ENC
+
ENC
–
CS SCK SDI GND OUT4B
–
OUT4B
+
OUT4A
–
OUT4A
+
1615
V
DD
17 18 19 20 21 22 23 24 25 26
V
DD
V
DD
SENSE
GND
V
REF
PAR/SER
SDO
GND
OUT1A
+
OUT1A
–
OUT1B
+
OUT1B
–
5152 50 49 48
SDO
PAR/SERSENSE
V
DD
47 46 45 44 43 42 41
C30
0.1µF
C1
2.2µF
C59
0.1µF
R93
100
R94
100
C3
0.1µF
C2
0.1µF
C29
0.1µF
C7
0.1µF
SPI BUS
DIGITAL
OUTPUTS
OV
DD
C46
0.1µF
C47
0.1µF
R92
100
R8
100
A
IN1
A
IN1
A
IN2
A
IN2
A
IN3
A
IN3
A
IN4
A
IN4
ENCODE
CLOCK
ENCODE
CLOCK
217512 TA02
R14
1k
DIGITAL
OUTPUTS
C16
0.1µF
C4
1µF
C5
1µF
C17
1µF
LTC2175 Schematic