ADM1026
Table 4. ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted. (Note 1, 2, and 3))
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
POWER SUPPLY
Supply Voltage, 3.3 V STBY
3.0
3.3
5.5
V
Supply Current, ICC
TEMPERATURE-TO-DIGITAL CONVERTER
Interface Inactive, ADC Active
−
2.5
4.0
mA
Internal Sensor Accuracy
Resolution
−
−
3.0
C
−
1.0
−
C
External Diode Sensor Accuracy
Resolution
0C < TD < 100C
−
−
3.0
C
−
1.0
−
C
Remote Sensor Source Current
High Level
Low Level
−
90
−
mA
−
5.5
−
ANALOG-TO-DIGITAL CONVERTER
(Including MUX and ATTENUATORS)
Total Unadjusted Error (TUE) (Note 4)
−
−
2.0
%
Differential Non-linearity (DNL)
Power Supply Sensitivity
−
−
1.0
LSB
−
0.1
%/V
Conversion Time
(Analog Input or Internal Temperature) (Note 5)
−
11.38 12.06
ms
Conversion Time (External Temperature) (Note 5)
−
34.13 36.18
ms
Input Resistance (+5.0 VIN, VCCP, AIN0 − AIN5)
Input Resistance of +12 VIN pin
Input Resistance of −12 VIN pin
Input Resistance (AIN6 − AIN9)
Input Resistance of VBAT pin (Note 4)
VBAT Current Drain (when measured)
VBAT Current Drain (when not measured)
ANALOG OUTPUT (DAC)
CR2032 Battery Life >10 Years
80
100
120
kW
70
100
115
kW
8.0
10
12
kW
5.0
−
−
MW
80
100
120
kW
−
80
100
nA
−
6.0
−
nA
Output Voltage Range
Total Unadjusted Error (TUE)
Zero Error
Differential Non-linearity (DNL)
Integral Non-linearity
IL = 2 mA
No Load
Monotonic by Design
0
–2.5
−
V
−
−
5.0
%
−
1.0
−
LSB
−
−
1.0
LSB
−
0.5
−
LSB
Output Source Current
−
2.0
−
mA
Output Sink Current
−
1.0
−
mA
REFERENCE OUTPUT
Output Voltage
Bit 2 of Register 07h = 0
Bit 2 of Register 07h = 1
1.8
1.82
1.84
V
2.47
2.50
2.53
Load Regulation (ISINK = 2 mA)
Load Regulation (ISOURCE = 2 mA)
Short Circuit Current
Output Current Source
VCC = 3.3 V
−
0.15
−
%
−
0.15
−
%
−
25
−
mA
−
2.0
−
mA
Output Current Sink
−
2.0
−
mA
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