Datasheet
LTC1992 Family
38
1992fb
TYPICAL APPLICATIONS
Interfacing a Bipolar, Ground Referenced, Single-Ended Signal to a Unipolar Single Supply,
Differential Input ADC (V
IN
= 0V Gives a Digital Mid-Scale Code)
Compact, Unipolar Serial Data Conversion
Zero Components, Single-Ended Adder/Subtracter
–
–
+
+
LTC1992
3
6
V
OCM
V
MID
0.1μF
100pF
7
6
5
13.3k
40k
4
5
2
7
8
1
10k
10k
5V
13.3k
40k
5V
10k
10k
100Ω
100Ω
0.1μF
+IN
V
REF
V
CC
2
18
3
4
1992 TA02a
–IN
1μF
SCK
SDO
CONV
LTC1864
SERIAL
DATA
LINK
GND
0VV
IN
2.5V
–2.5V
–
–
+
+
LTC1992-2
3
6
V
OCM
V
MID
0.1μF
100pF
7
6
5
4
5
2
7
8
1
100Ω
5V
100Ω
0.1μF
+IN
V
REF
V
CC
2
18
3
4
1992 TA03a
–IN
1μF
SCK
SDO
CONV
LTC1864
SERIAL
DATA
LINK
GND
V
IN
2.5V
0V
–
–
+
+
V1 = V
B
+ V
C
– V
A
V2 = V
B
+ V
A
– V
C
V
A
1
4
0.1μF
3
+V
S
–V
S
6
5
2
8
V
C
V
B
V
OCM
LTC1992-2
0.1μF
1992 TA04
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.