ADUC7030 Datasheet, PDF (7/150 Pages) Analog Devices – Integrated Precision Battery Sensor For Automotive

Preliminary Technical Data
Parameter
Temperature Channel
No Missing Codes¹
Integral Nonlinearity¹
Offset Error^{3, 5, 17, 18}
Offset Error ^{1, 3}
Offset Error Drift
Total Gain Error^{,1, 3, 19}
Gain Drift
Output Noise¹
ADC SPECIFICATIONS
ANALOG INPUT
Current Channel
Absolute Input Voltage
Range
Input Voltage Range^20,21
Input Leakage Current¹
Input Offset Current^{1, 23}
Voltage Channel
Absolute Input Voltage
Range
Input Voltage Range
Test Conditions/Comments
Valid at all ADC Update Rates
Chop Off , 1 LSB16=19.84uV
Chop On
Chop Off
1 kHz update rate
Internal VREF = 1.2 V
Applies to both IIN+ and IIN−
Gain = 1²²
Gain = 2²²
Gain = 4²²
Gain = 8
Gain = 16
Gain = 32
Gain = 64
Gain = 128
Gain = 256
Gain = 512
VBAT Input Current
Temperature Channel
Absolute Input Voltage
Range
Input Voltage Range
VTEMP Input Current¹
VOLTAGE REFERENCE
ADC Precision Reference
Internal VREF
Power Up Time¹
Initial Accuracy¹
Temperature
Coefficient^{1, 24}
Reference long-term
stability²⁵
External Reference Input
Range ²⁶
VREF Divide by 2 Initial
Error¹
VBAT = 18V
VREF = (REG_AVDD, GND_SW) / 2
Measured at TA = 25°C
ADuC7030/ADuC7033
Min
Typ
Max Unit
16
Bits
±10
±60 ppm of FSR
−10
±3
+10 LSB
−5
1
5
LSB
0.03
LSB/°C
−0.2
±0.06 +0.2 %
3
ppm/°C
7.5
11.25 µV rms
−200
−3
4
3
100
+300 mV
±1.2
V
±600
mV
±300
mV
±150
mV
±75
mV
±37.5
mV
±18.75
mV
±9.375
mV
±4.68
mV
±2.3
mV
+3
nA
0.5
1.5
nA
18
V
0 to
V
28.8
5.5
8
µA
1300 mV
0 to VREF
V
2.5
100
nA
1.2
0.5
−0.15
−20
±5
100
0.1
0.1
V
Ms
0.15 %
+20 ppm/°C
ppm/1000 hr
1.3
V
0.3
%
Rev. PrE | Page 7 of 150