LTC2941 Linear Technology, LTC2941 Datasheet - Page 4

• Manufacturer Part Number: LTC2941
• Description: Battery Gas Gauge
• Manufacturer: Linear Technology

LTC2941
TYPICAL PERFORMANCE CHARACTERISTICS
4
–1
–2
–3
3
2
1
0
0.1
Total Charge Error vs Differential
Sense Voltage
100
1
90
60
40
80
70
50
V
2.5
SENSE
Supply Current vs Supply Voltage
3.0
(mV)
10
V
V
3.5
SENSE +
SENSE +
V
4.0
SENSE
= 2.7V
= 4.2V
2941 G01
4.5
+
100
(V)
5.0
T
T
T
A
A
A
–0.25
–0.50
–0.75
–1.00
= 25°C
= –40°C
= 85°C
5.5
1.00
0.75
0.50
0.25
2941 G04
0
2.5
Total Charge Error vs Supply
Voltage
6.0
3.0
3.5
V
4.0
SENSE
4.5
+
(V)
V
V
2.0
1.5
1.0
0.5
SENSE
SENSE
0
5.0
2.5
Shutdown Supply Current vs
Supply Voltage
= –50mV
= –10mV
5.5
3.0
2941 G02
6.0
3.5
V
4.0
SENSE
–0.25
–0.50
–0.75
–1.00
1.00
0.75
0.50
0.25
+
4.5
0
(V)
–50
Total Charge Error vs Temperature
5.0
–25
T
T
T
A
A
A
= 25°C
= –40°C
= 85°C
5.5
2941 G05
TEMPERATURE (°C)
0
6.0
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25
V
V
SENSE
SENSE
50
= –50mV
= –10mV
75
2941 G03
2941f
100