LT1991 Linear Technology, LT1991 Datasheet - Page 7

• Manufacturer Part Number: LT1991
• Description: Precision / 100uA Gain Selectable Amplifier
• Manufacturer: Linear Technology

TYPICAL PERFORMANCE CHARACTERISTICS
–1000
–1000
1000
–250
–500
–750
–100
–200
–300
–400
–500
–600
–700
–800
–900
200
175
150
125
100
V
750
500
250
75
50
25
CC
0
0
0
0
1
Supply Current vs Supply Voltage
Output Voltage Swing
vs Load Current (Output High)
Output Offset Voltage
vs Difference Gain
2
1
2
T
T
A
3
A
2
4
= 25°C
= 85°C
4
SUPPLY VOLTAGE (±V)
LOAD CURRENT (mA)
3
6
5
T
A
4
8
= 25°C
GAIN (V/V)
6
V
REPRESENTATIVE PARTS
S
10
5
7
= 5V, 0V
T
A
= 85°C
12
8
6
T
9 10 11
A
14
7
= –40°C
T
V
A
S
16
= –40°C
8
= 5V, 0V
18
1991 G04
1991 G01
9
1991 G07
12
20
10
13
–0.01
–0.02
–0.03
–0.04
0.04
0.03
0.02
0.01
V
60
40
20
25
20
15
10
EE
5
0
0
–50
–50
0
Output Voltage Swing
vs Temperature
Output Short-Circuit Current
vs Temperature
Gain Error vs Load Current
V
NO LOAD
V
GAIN = 1
V
V
T
S
OUTPUT LOW
(LEFT AXIS)
S
S
OUT
A
= 5V, 0V
–25
= 5V, 0V
= 25°C
–25
= ±15V
SOURCING
= ±10V
1
0
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
TEMPERATURE (°C)
2
25
25
REPRESENTATIVE UNITS
50
50
SINKING
3
OUTPUT HIGH
(RIGHT AXIS)
75
75
4
100
100
(Difference Amplifi er Confi guration)
1991 G02
1991 G05
1991 G08
125
125
5
V
–20
–40
–60
CC
1400
1200
1000
–100
–150
0.30
0.25
0.20
0.15
0.10
0.05
800
600
400
200
150
100
–50
V
50
EE
0
0
–50
0
1
Output Voltage Swing
vs Load Current (Output Low)
Input Offset Voltage
vs Difference Gain
Slew Rate vs Temperature
V
GAIN = 1
V
V
S
S
OUT
2
1
= 5V, 0V
= ±15V
–25
= ±10V
3
2
SR
T
4
www.DataSheet4U.com
A
LOAD CURRENT (mA)
–
0
3
= 25°C
TEMPERATURE (°C)
(FALLING EDGE)
5
4
GAIN (V/V)
25
6
V
REPRESENTATIVE PARTS
S
7
5
SR
= 5V, 0V
T
50
+
A
8
LT1991
6
(RISING EDGE)
= 85°C
9 10 11
75
7
T
A
= –40°C
8
100
1991 G03
12
1991 G06
1991 G09
9
1991fg
7
125
10
13