Datasheet

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