Datasheet

4
LTC1968
1968f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Gain and Offset
vs Output Common Mode Voltage
Gain and Offset
vs Input Common Mode Voltage
INPUT COMMON MODE VOLTAGE (V)
0
–0.5
GAIN ERROR (%)
OFFSET VOLTAGE (mV)
–0.4
–0.2
–0.1
0
0.5
0.2
1.0
2.0
2.5 5.04.5
1968 G01
–0.3
0.3
0.4
0.1
–1.0
–0.8
–0.4
–0.2
0
1.0
0.4
–0.6
0.6
0.8
0.2
0.5 1.5
3.0
3.5
4.0
V
IOS
V
OOS
GAIN ERROR
50mV ≤ V
IN
≤ 350mV
OUTPUT COMMON MODE VOLTAGE (V)
0
–0.5
GAIN ERROR (%)
OFFSET VOLTAGE (mV)
–0.4
–0.2
–0.1
0
0.5
0.2
1.0
2.0
2.5 5.04.5
1968 G02
–0.3
0.3
0.4
0.1
–1.0
–0.8
–0.4
–0.2
0
1.0
0.4
–0.6
0.6
0.8
0.2
0.5 1.5
3.0
3.5
4.0
V
IOS
V
OOS
GAIN ERROR
50mV ≤ V
IN
≤ 350mV
Gain and Offset vs Temperature
Gain and Offset vs Supply Voltage
SUPPLY VOLTAGE (V)
4.5
GAIN ERROR (%)
OFFSET VOLTAGE (mV)
0.1
0.3
0.5
5.7
1968 G03
–0.1
–0.3
0
0.2
0.4
–0.2
–0.4
–0.5
0.2
0
0.6
1.0
–0.2
–0.6
0.4
0.8
–0.4
–0.8
–1.0
4.8
5.1
5.4
6.0
V
OOS
V
IOS
GAIN ERROR
50mV ≤ V
IN
≤ 350mV
TEMPERATURE (°C)
–40
–0.5
GAIN ERROR (%)
OFFSET VOLTAGE (mV)
–0.4
–0.2
–0.1
0
0.5
0.2
–15
10
85
1968 G04
–0.3
0.3
0.4
0.1
–0.5
–0.4
–0.2
–0.1
0
0.5
0.2
–0.3
0.3
0.4
0.1
35
60
V
IOS
V
OOS
GAIN ERROR
50mV ≤ V
IN
≤ 350mV