Datasheet
LT1990
10
1990fb
Supply Current
vs Supply Voltage
Supply Current
vs Temperature
Output Voltage Swing
vs Load Current
Output Voltage vs
Input Voltage, G = 1
Output Short-Circuit Current
vs Supply Voltage
Input Voltage Range vs Single
Supply Voltage
Input Voltage Range vs Split
Supply Voltage
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Output Voltage vs
Input Voltage, G = 10
Output Voltage Swing vs
Supply Voltage
G = 1, V
+IN
= V
–
SUPPLY CURRENT (µA)
220
200
180
160
140
120
100
80
60
40
1990 G01
SUPPLY VOLTAGE (V)
040
10
20
30
51525
35
T
A
= 125°C
T
A
= 85°C
T
A
= –40°C
T
A
= –55°C
T
A
= 25°C
V
REF
= V
OUT
= 1.25V
V
–
= 0V
TEMPERATURE (°C)
–50 –25
SUPPLY CURRENT (µA)
10075
150
140
130
120
110
100
90
80
70
60
1990 G02
0 25 50 125
V
S
= 5V, 0V
OUTPUT CURRENT (mA)
0.001 0.01 0.1 1 10 100
OUTPUT VOLTAGE SWING
WITH RESPECT TO SUPPLY (V)
1990 G03
SUPPLY VOLTAGE (±V)DIFFERENTIAL INPUT VOLTAGE (±V)
DIFFERENTIAL INPUT VOLTAGE (±V)
01.00.80.60.40.20
4.03.53.02.52.01.51.00.50
2 4 6 8 10 12 14 16
1990 G061990 G05
1990 G04
– 0.01
– 0.1
–1
+1
+0.1
+0.01
SOURCING
(+IN = 2.5V)
SINKING
(+IN = –2.5V)
V
S
= ±2.5V
–IN = 0V
G = 1
T
A
= 125°C
T
A
= 125°C
T
A
= –55°C
T
A
= –55°C
T
A
= 25°C
T
A
= 25°C
SUPPLY VOLTAGE (±V)
1
MAXIMUM INPUT VOLTAGE (V)
300
200
100
0
–100
–200
–300
711
1990 G09
35
91315
V
REF
= 0V
T
A
= –40°C TO 85°C
–0.01
–0.1
+0.1
+0.01
OUTPUT SWING WITH
RESPECT TO SUPPLY (V)
–0.01
–0.1
–1
+1
+0.1
+0.01
OUTPUT VOLTAGE WITH
RESPECT TO SUPPLY (V)
–0.01
–0.1
–1
+0.1
+1
+0.01
OUTPUT VOLTAGE WITH
RESPECT TO SUPPLY (V)
OUTPUT FULLY
SATURATED
G = 10
G = 1
G = 10, V
+IN
= V
+
/10
G = 10, V
+IN
= V
–
/10
G = 1, V
+IN
= V
+
G = 10
G = 1
OUTPUT FULLY
SATURATED
V
–IN
= 0V
V
REF
= 0V
NO LOAD
T
A
= 25°C
V
S
= ±2.5V
G = 1
NO LOAD
V
S
= ±2.5V
G = 10
NO LOAD
T
A
= –55°C
T
A
= –55°C
T
A
= 125°C
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
T
A
= 125°C
T
A
= 25°C
T
A
= 25°C
POSITIVE SUPPLY VOLTAGE (V)
MAXIMUM INPUT VOLTAGE (V)
250
200
150
100
50
0
–50
–100
1990 G08
1990 G07
3
5
7 9 11 13 15
V
–
= 0V
T
A
= –40°C TO 85°C
V
REF
= 1.25V
V
REF
= 1.25V
V
REF
= 4V
V
REF
= 4V
V
REF
= 2.5V
V
REF
= 2.5V
SUPPLY VOLTAGE (±V)
0
OUTPUT SHORT-CIRCUIT CURRENT (mA)
25
20
15
10
5
0
–5
–10
–15
–20
–25
–30
1412
42
6
108
16
SOURCE
SINK
T
A
= –55°C
T
A
= –55°C
T
A
= 125°C
T
A
= 125°C
T
A
= 25°C
T
A
= 25°C
V
–
V
+
V
–
V
+
V
–
V
+
V
–
V
+