Datasheet

DS2762 High-Precision Li+ Battery Monitor With Alerts
4 of 25
ELECTRICAL CHARACTERISTICS: TEMPERATURE, VOLTAGE, CURRENT
(2.5V £ V
DD
£ 5.5V, T
A
= -20°C to +50°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Temperature Resolution T
LSB
0.125
°C
Temperature Full-Scale Magnitude T
FS
127
°C
Temperature Error T
ERR
(Note 6)
±3 °C
Voltage Resolution V
LSB
4.88 mV
Voltage Full-Scale Magnitude V
FS
4.75 V
Voltage Offset Error V
OERR
(Note 7) 1 LSB
Voltage Gain Error V
GERR
5 %
(Note 3) 0.625 mA
Current Resolution I
LSB
(Note 4) 15.625
mV
(Notes 3, 4) 1.9 2.56 A
Current Full-Scale Magnitude I
FS
(Note 8) 64 mV
Current Offset Error I
OERR
(Note 9) 1 LSB
(Notes 3, 10, 14) 3
Current Gain Error I
GERR
(Note 4) 1
%
(Note 3) 0.25 mAhr
Accumulated Current Resolution q
CA
(Note 4) 6.25 µVhr
Current Sampling Frequency f
SAMP
1456 Hz
t
ERR1
(Note 11)
±1 ±3
%
Internal Timebase Accuracy
t
ERR2
(Note 11)
±6.5
%
EEPROM RELIABILITY SPECIFICATION
(2.5V £ V
DD
£ 5.5V, T
A
= -20°C to +70°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Copy to EEPROM Time t
EEC
2 10 ms
EEPROM Copy Endurance N
EEC
(Note 12) 25,000 cycles