DS2438 Dallas Semiconducotr, DS2438 Datasheet - Page 28

• Manufacturer Part Number: DS2438
• Description: Smart Battery Monitor
• Manufacturer: Dallas Semiconducotr

ELECTRICAL CHARACTERISTICS: DIGITAL THERMOMETER
ELECTRICAL CHARACTERISTICS: VOLTAGE A/D CONVERTER
ELECTRICAL CHARACTERISTICS: CURRENT A/D CONVERTER
ELECTRICAL CHARACTERISTICS: RTC COUNTER
PARAMETER
Thermometer Error (T
T
Conversion Time
PARAMETER
A/D Error
V
V
Conversion Time
No Missing Code
Temperature Range
PARAMETER
Current Measurement Input
Range (V
Current Measurement Error
PARAMETER
Clock Error
Resolution
MEASURED
AD
DD
Input Range
Input Range
SENS+
)
- V
SENS-
ACTUAL
)
-
SYMBOL
SYMBOL
SYMBOL
IAD
SYMBOL
VAD
RTC
IAD
t
V
V
CONVV
t
CONVT
T
ADR
DDR
RANGE
ERR
ERR
ERR
ERR
(V
CONDITION
CONDITION
CONDITION
CONDITION
0°C to +70°C
SENS+
125 mV
- V
28 of 29
SENS-
(-40 C to +85 C; 2.4V
(-40 C to +85 C; 2.4V
(-40 C to +85 C; 2.4V
(-40 C to +85 C; 2.4V
)
MIN
MIN
MIN
1.5V
-125
MIN
-40
2.4
1
TYP MAX UNITS
TYP MAX UNITS
TYP MAX UNITS
TYP MAX UNITS
±10
±2
3
1
3
10.0
10.0
+85
±50
125
10
±2
10
1
3
VDD
VDD
VDD
VDD
LSB
mV
mV
sec
ms
%
%
V
V
ms
C
C
NOTES
NOTES
NOTES
10.0V)
10.0V)
10.0V)
10.0V)
NOTES
DS2438
1
1
3