Datasheet

LT1999-10/LT1999-20/
LT1999-50
9
1999fb
Typical perForMance characTerisTics
CMRR vs FrequencyCMRR vs Frequency
FREQUENCY (kHz)
1
CMRR (dB)
120
100
80
20
40
60
0
1000
1999 G23
1000010010
V
CM
= 12V
V
+
= 5V
T
A
= 25°C
6 UNITS PLOTTED
LT1999-10
LT1999-20
LT1999-50
LT1999-50 2V Step Response
Settling Time
LT1999-10 2V Step Response
Settling Time
LT1999-20 2V Step Response
Settling Time
LT1999-50 Pulse Response
TIME (2µs/DIV)
V
SENSE
(0.1V/DIV)
V
OUT
(1V/DIV)
1999 G19
V
OUT
V
SENSE
V
OUT
TIME (1µs/DIV)
V
OUT
(V)
OUTPUT ERROR (V)
4.5
3.5
1.5
2.5
0.5
4.0
2.0
3.0
1.0
0.100
0.050
–0.050
0
–0.100
0.075
–0.025
0.025
–0.075
1999 G20
OUTPUT ERROR
V
OUT
V
OUT
(V)
OUTPUT ERROR (V)
4.5
3.5
1.5
2.5
0.5
4.0
2.0
3.0
1.0
0.20
0.10
–0.01
0
–0.20
0.15
–0.05
0.05
–0.15
OUTPUT ERROR
TIME (1µs/DIV)
–1 42 6
1999 G21
7310 5 9 108
V
OUT
(V)
OUTPUT ERROR (V)
4.5
3.5
1.5
2.5
0.5
4.0
2.0
3.0
1.0
0.500
0.250
–0.250
0
–0.500
0.375
–0.125
0.125
–0.375
TIME (1µs/DIV)
1999 G22
V
OUT
OUTPUT ERROR
LT1999-10 Pulse Response LT1999-20 Pulse Response
TIME (2µs/DIV)
V
SENSE
(0.5V/DIV)
V
OUT
(1V/DIV)
1999 G17
V
OUT
V
SENSE
TIME (2µs/DIV)
V
SENSE
(0.2V/DIV)
V
OUT
(1V/DIV)
1999 G18
V
OUT
V
SENSE
FREQUENCY (kHz)
1
CMRR (dB)
120
100
80
20
40
60
0
1000100
1999 G24
1000010
V
CM
= 0V
V
+
= 5V
T
A
= 25°C
6 UNITS PLOTTED
LT1999-10
LT1999-20
LT1999-50