Datasheet

ADM1176 Data Sheet
Rev. C | Page 4 of 24
Parameter Min Typ Max Unit Conditions
MONITORING ACCURACY
1
Current Sense Absolute Accuracy
0°C to +70°C −1.45 +1.45 % V
SENSE
= 75 mV
−1.8 +1.8 % V
SENSE
= 50 mV
−2.8 +2.8 % V
SENSE
= 25 mV
−5.7 +5.7 % V
SENSE
= 12.5 mV
0°C to +85°C −1.5 +1.5 % V
SENSE
= 75 mV
−1.8 +1.8 % V
SENSE
= 50 mV
−2.95 +2.95 % V
SENSE
= 25 mV
−6.1 +6.1 % V
SENSE
= 12.5 mV
−40°C to +85°C −1.95 +1.95 % V
SENSE
= 75 mV
−2.45 +2.45 % V
SENSE
= 50 mV
−3.85 +3.85 % V
SENSE
= 25 mV
−6.7 +6.7 % V
SENSE
= 12.5 mV
V
SENSE
for ADC Full Scale
2
105.84 mV
Voltage Sense Accuracy
0°C to +70°C −0.85 +0.85 % V
CC
= 3.0 V to 5.5 V (low range)
−0.9 +0.9 % V
CC
= 10.8 V to 16.5 V (high range)
0°C to +85°C −0.85 +0.85 %
V
CC
= 3.0 V to 5.5 V (low range)
−0.9 +0.9 %
V
CC
= 10.8 V to 16.5 V (high range)
−40°C to +85°C −0.9 +0.9 %
V
CC
= 3.0 V to 5.5 V (low range)
−1.15 +1.15 %
V
CC
= 10.8 V to 16.5 V (high range)
V
CC
for ADC Full Scale
2
Low Range (VRANGE = 1) 6.65 V
High Range (VRANGE = 0) 26.52 V
I
2
C TIMING
Low Level Input Voltage, V
IL
0.3 V
BUS
V V
BUS
= 3.0 V to 5.5 V
High Level Input Voltage, V
IH
0.7 V
BUS
V V
BUS
= 3.0 V to 5.5 V
Low Level Output Voltage on SDA, V
OL
0.4 V I
OL
= 3 mA
Output Fall Time on SDA from V
IHMIN
to V
ILMAX
20 + 0.1 C
BUS
250 ns C
BUS
= bus capacitance from SDA to GND
Maximum Width of Spikes Suppressed by
Input Filtering on SDA and SCL Pins
50 250 ns
Input Current, I
I
, on SDA/SCL When Not
Driving a Logic Low Output
−10
+10
µA
Input Capacitance on SDA/SCL 5 pF
SCL Clock Frequency, f
SCL
400 kHz