aduc7030 Analog Devices, Inc., aduc7030 Datasheet - Page 6

• Manufacturer Part Number: aduc7030
• Description: Integrated Precision Battery Sensor For Automotive
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
V
precision oscillator, all specifications T
Table 1. ADuC7030/ADuC7033 SPECIFICATIONS
Parameter
ADC SPECIFICATIONS
DD
Conversion Rate
Current Channel
Voltage Channel
= 3.5 V to 18 V, V
No Missing Codes
Integral Nonlinearity
Offset Error
Offset Error
Offset Error Drift
Offset Error Drift
Offset Error Drift
Total Gain Error
Total Gain Error
Total Gain Error
Gain Drift
PGA Gain Mismatch
Error
Output Noise
No Missing Codes
Integral Nonlinearity
Offset Error
Offset Error
Offset Error Drift
Total Gain Error
Total Gain Error
Gain Drift
Output Noise
2, 3, 4,5
1, 3, 6
3, 5
1, 3
1, 13
1, 16
1
, 1, 3, 7, 8, 9 , 10
14
1, 3, 7, 9, 12
1, 3, 7, 15, 10
1, 3, 7, 15, 10
1, 3, 7, 9, 11
6
6
6
REF
1
1
= 1.2 V internal reference, f
1
1
,
2
Chop off
Test Conditions/Comments
Chop Off, ADC Normal Operating Mode
Chop On, ADC Normal Operating Mode
Chop On, ADC Low Power Mode
Valid for all ADC update rates and ADC modes
Chop off, 1 LSB = (36.6/gain) μV
Chop on
Chop off, valid for ADC gains of 4 to 64, normal mode
Chop off, valid for ADC gains of 128 to 512, normal mode
Chop on
Normal mode
Low power mode
Low power-plus mode, using precision V
4 Hz update rate, gain = 512, chop enabled
10 Hz update rate, gain = 512, chop enabled
1 kHz update rate, gain = 512
1 kHz update rate, gain = 32
1 kHz update rate, gain = 4
8 kHz update rate, gain = 32
8 kHz update rate, gain = 4
ADC low power mode, FADC = 10 Hz, gain = 128
ADC low power mode, FADC = 1 Hz, gain = 128
ADC low power-plus mode, FADC = 1 Hz, gain = 512
Valid at all ADC update rates
Chop off , 1 LSB 16 = 439.5 µV
Chop on
Includes resistor mismatch
Temperature range = −25°C to +65°C
Includes resistor mismatch drift
4 Hz update rate
10 Hz update rate
1 kHz update rate
8 kHz Update Rate
A
= −40°C to 115°C, unless otherwise noted.
CORE
= 10.24 MHz driven from external 32.768 kHz watch crystal or on-chip
REF
Min
−10
−10
4
4
1
16
−2
−0.5
−4
−1
16
−0.25
−0.15
Typ
±10
±3
±0.1
±10
±1
0.03
±0.5
0.03
30
10
±0.1
±0.2
±0.2
3
60
100
0.6
0.8
2.0
2.5
14
1.25
0.35
0.1
0.3
±0.06
±0.03
3
60
60
180
1600
ADuC7030/ADuC7033
Max
8000
2600
650
±60
+10
+2
+0.5
+4
+1
90
150
0.9
1.2
2.8
3.5
21
1.9
0.5
0.15
±60
+10
1
+0.25
+0.15
90
90
270
2400
Unit
Hz
Hz
Hz
Bits
PPM of FSR
LSB
μV
LSB/°C
nV/°C
nV/°C
%
%
%
ppm/°C
%
nV rms
nV rms
µV rms
µV rms
µV rms
µV rms
µV rms
µV rms
µV rms
µV rms
Bits
ppm of FSR
LSB
LSB
LSB/°C
%
%
ppm/°C
µV rms
µV rms
µV rms
µV rms