Datasheet

LT1999-10/LT1999-20/
LT1999-50
13
1999fb
SHDN
V
+
V
+
D1
V
+
V+
V+
V(G
+IN
)
V(G
–IN
)
2k
R
+IN
R
–IN
300Ω
C
F
4pF
0.8k
R
+S
0.8k
R
–S
160k
160k
1999 BD
2µA
OUT
REF
+IN
–IN
GND
+
–
+
–
G
IN
R
G
A
O
2k
2k
4.5k
2k
8
7
2
1
3
4
6
5
block DiagraM
Figure 1. Simplified Block Diagram
TesT circuiT
5V
5V
1999 F02
0.1µF
V
OUT
V
IN(DIFF)
+
–
V
CM
V
REF
V
SHDN
+
–
+
–
+
–
LT1999
4k
0.8k
160k
160k
2µA
0.8k
4k
SHDN
V
+
V
+
V
+
+
–
+
–
8
1
2
3
4
7
6
5
R
G
0.1µF
V
+
V
+
Figure 2. Test Circuit