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TYPICAL PERFORMANCE CHARACTERISTICS
Total Charge Error
vs Differential Sense Voltage
3
2
1
0
–1
–2
–3
0.1
1
V
(mV)
SENSE
Supply Current vs Supply Voltage
100
90
80
70
60
50
40
2.5
3.0
Total Charge Error
vs Supply Voltage
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
V
= 2.7V
SENSE +
V
= 4.2V
SENSE +
–1.00
10
100
2.5
3.0
2941 G01
T
= 25°C
A
T
= –40°C
A
T
= 85°C
A
4.5
5.5
6.0
3.5
4.0
5.0
+
V
(V)
SENSE
2941 G04
For more information
V
= –50mV
SENSE
V
= –10mV
SENSE
4.5
6.0
3.5
4.0
5.0
5.5
+
V
(V)
SENSE
2941 G02
Shutdown Supply Current
vs Supply Voltage
2.0
1.5
1.0
0.5
0
2.5
3.0
3.5
V
www.analog.com
LTC2941
Total Charge Error vs Temperature
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
V
V
–1.00
–50
25
–25
0
TEMPERATURE (°C)
T
= 25°C
A
T
= –40°C
A
T
= 85°C
A
4.0
4.5
5.0
5.5
6.0
+
(V)
SENSE
2941 G05
= –50mV
SENSE
= –10mV
SENSE
75
50
100
2941 G03
Rev. C
5
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