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AS8510 Datasheet(PDF) 9 Page - ams AG

Part # AS8510
Description  Data Acquisition Device for Battery Sensors
PDF  46 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS8510 Datasheet(HTML) 9 Page - ams AG

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www.austriamicrosystems.com/AS8510
Revision 3.4
9 - 46
AS8510
Datasheet - Electrical Character i s t ics
6.3 Detailed System and Block Specifications
6.3.1 Electrical System Specifications
6.4 Current Measurement Ranges (across 100µΩ shunt resistor)
Note:
The Data Rate at the output can be calculated according to the formula:
fsout=2*fchop /R2 (R2 is down sampling ratio taking values 1, 2, 4 up to 32768 as powers of 2)
Table 12. Electrical System Specifications
Symbol
Parameter
Min
Typ
Max
Units
Notes
IDDNOM
Current consumption normal mode
3
5.5
mA
IDDSBM
Current consumption standby mode
40
µA
Average of NORMAL Mode Power
consumption over a period of 10sec
when the device is in STANDBY Mode
Table 13. Current Measurement Ranges
Symbol
Parameter
Imax
[A]
Vsh
[mV]
PGA
Gain
Nominal
Data Rate
(fOUT)
VINADC
1
[mV]
1. VINADC = Vsh * Gain, gain deviations to be considered according to Table 15 and Table 16.
PSR
2
[dB]
2. AVDD, DVDD of 3.3V with ±5% variation.
I10
Input current range of 10A in NOM
±10
±1
100
@ 1 kHz
±100
60
I200
Input current range of 200A in NOM
±200
±20
40
@ 1 kHz
±800
60
I400
Input current range of 400A in NOM
±400
±40
25
@ 1 kHz
±1000
60
I1500
Input current range of 1500A in NOM
±1500
±150
5
@ 1 kHz
±750
60
I1
Input current range of 1A in SBM
3
3. For low power current monitoring, single shot measurement is performed with internal oscillator.
±1
±0.1
100
@ 1 Hz
±10
60
I10
Input current range of 10A in SBM
3
±10
±1
100
@ 1 Hz
±100
60
I200
Input current range of 200A in SBM
3
±200
±20
40
@ 1 Hz
±800
60
Table 14. Valid Combinations of the Chopper Clock, Oversampling Clock and Decimation Ratios
Over Sampling Frequency
Chopper Frequency
Decimation Ratio
1MHz
2kHz
64
2MHz
2kHz
64
2MHz
2kHz
128
2MHz
4kHz
64



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