LTC2943
TYPICAL PERFORMANCE CHARACTERISTICS
Total Charge Error vs Differential
Sense Voltage
Total Charge Error vs Supply
Voltage
Total Charge Error vs
Temperature
1.00
1.00
0.75
0.50
0.25
0
3
2
V
+ = 3.6V TO 20V
SENSE
0.75
0.50
0.25
0
V
= 10mV
SENSE
V
= 10mV
SENSE
1
0
V
= 50mV
SENSE
V
= 50mV
SENSE
–0.25
–0.50
–0.75
–1.00
–0.25
–0.50
–0.75
–1.00
–1
–2
–3
0
10
15
+
20
25
–50
75
5
–25
0
25
TEMPERATURE (°C)
50
100
0.1
1
10
100
V
(V)
SENSE
V
(mV)
SENSE
2943 G01
2943 G02
2943 G03
Shutdown Supply Current vs
Supply Voltage
Voltage Measurement ADC
Total Unadjusted Error
Supply Current vs Supply Voltage
30
25
20
15
10
5
110
100
90
1.0
0.5
T
A
= 85°C
T
A
= 25°C
T
= –40°C
A
T
= 25°C
A
T
= 85°C
A
80
T
= 85°C
T
A
= –40°C
A
0
70
T
= 25°C
A
60
T
A
= –40°C
–0.5
–1.0
50
40
15
20
25
0
5
10
25
0
5
10
15
(V)
20
25
0
10
15
(V)
20
5
+
+
–
V
V
(V)
V
SENSE
SENSE
SENSE
2943 G04
2943 G05
2943 G06
Voltage Measurement ADC
Integral Nonlinearity
Current Measurement ADC
Integral Nonlinearity
Current Measurement ADC
Gain Error
3
2
4
2
1.0
0.5
V
= 10V, T = –40° TO 85°C
A
CC
T
= –40°C TO 85°C
A
T
= –40°C
A
1
0
0
–2
–4
–6
–8
0
T
A
= 85°C
T
A
= 25°C
–1
–2
–3
–0.5
–1.0
0
5
10
20
25
–50
–25
25
50
15
0
10
V
15
(V)
20
25
0
5
–
–
V
(V)
V
(mV)
SENSE
SENSE
SENSE
2944 G07
2943 G09
2943 G08
2943fa
5
For more information www.linear.com/LTC2943
Linear [ Linear ]
