Datasheet
LT1994
8
1994fb
Large-Signal Step Response
Output with Large Input Overdrive
Supply Current vs Supply Voltage Supply Current vs SHDN Voltage Supply Current vs SHDN Voltage
SHDN Pin Current vs SHDN
Pin Voltage
Shutdown Supply Current vs
Supply Voltage
Small-Signal Step Response
TYPICAL PERFORMANCE CHARACTERISTICS
20ns/DIV
20mV/DIV
1994 G18
25pF LOAD
0pF LOAD
OUT
+
OUT
–
V
S
= 3V
R
F
= R
I
= 499
V
IN
= 100mV
P-P
,
SINGLE ENDED
100ns/DIV
0.5V/DIV
1994 G19
OUT
+
OUT
–
V
IN
= 3V
P-P
SINGLE ENDED
V
S
= 3V
R
F
= R
I
= 499
V
CM
= V
–
2µs/DIV
0.5V/DIV
1994 G20
OUT
+
OUT
–
V
IN
= 10V
P-P
SINGLE ENDED
V
S
= 3V
R
F
= R
I
= 499
SUPPLY VOLTAGE (V)
0
0
TOTAL SUPPLY CURRENT (mA)
5
10
15
20
2.5
5.0 7.5 10.0
1994 G21
12.5
T
A
= –40°C
T
A
= 85°C
T
A
= 25°C
T
A
= 70°C
T
A
= 0°C
SHDN PIN VOLTAGE = V
+
SHDN PIN VOLTAGE (V)
0
0
TOTAL SUPPLY CURRENT (mA)
4
8
12
16
1.0
2.01.50.5 2.5
1994 G23
3.0
T
A
= –40°C
T
A
= 85°C
T
A
= 25°C
T
A
= 70°C
T
A
= 0°C
V
S
= 3V
SHDN PIN VOLTAGE (V)
0
0
TOTAL SUPPLY CURRENT (mA)
4
8
12
16
1.0
2.01.50.5 2.5
1994 G23
3.0
T
A
= –40°C
T
A
= 85°C
T
A
= 25°C
T
A
= 70°C
T
A
= 0°C
V
S
= 3V
SHDN PIN VOLTAGE (V)
0
–30
SHDN PIN CURRENT (µA)
–20
–10
0
1.0
2.01.50.5 2.5
1994 G24
3.0
T
A
= –40°C
T
A
= 85°C
T
A
= 25°C
T
A
= 0°C
V
S
= 3V
T
A
= 70°C
SUPPLY VOLTAGE (V)
0
0
SHUTDOWN SUPPLY CURRENT (µA)
250
500
750
1000
5.0
10.07.52.5
1994 G25
12.5
T
A
= –40°C
T
A
= 85°C
T
A
= 25°C