DS2438Z Datasheet, PDF (28/29 Pages) Maxim Integrated Products – Smart Battery Monitor

DS2438
ELECTRICAL CHARACTERISTICS: DIGITAL THERMOMETER
(-40°C to +85°C; 2.4V £ VDD £ 10.0V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Thermometer Error (T_ACTUAL-
T_MEASURED)
T_ERR
±2
°C
Conversion Time
t_CONVT
3
10
ms
ELECTRICAL CHARACTERISTICS: VOLTAGE A/D CONVERTER
(-40°C to +85°C; 2.4V £ VDD £ 10.0V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
A/D Error
VDD_ERR
VAD_ERR
VDD input
VAD input
±10 ±50 mV
±25 ±75
V_AD Input Range
V_ADR
1.5V
10.0
V
1
V_DD Input Range
V_DDR
2.4
10.0
V
1
Conversion Time
t_CONVV
3
10
ms
No Missing Code
Temperature Range
-40
+85
°C
ELECTRICAL CHARACTERISTICS: CURRENT A/D CONVERTER
(-40°C to +85°C; 2.4V £ VDD £ 10.0V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNI NOTES
TS
Current Measurement Input
Range (V_SENS+ - V_SENS-)
IAD_RANGE
250 mV
Current Measurement Error
IAD_ERR
|V_SENS+ - V_SENS-|
£ 125 mV
±2
LSB
3
1
%
ELECTRICAL CHARACTERISTICS: RTC COUNTER
(-40°C to +85°C; 2.4V £ VDD £ 10.0V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Clock Error
RTC_ERR
0°C to +70°C
1
3
%
Resolution
1
sec
28 of 29