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AS8510 数据表(PDF) 14 Page - ams AG

部件名 AS8510
功能描述  Data Acquisition Device for Battery Sensors
PDF  46 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS8510 数据表(HTML) 14 Page - ams AG

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www.austriamicrosystems.com/AS8510
Revision 3.4
14 - 46
AS8510
Datasheet - Electrical Character i s t ics
6.4.6 CMREF Circuit (VCM)
6.4.7 Internal AVDD Power-on Reset
6.4.8 Internal DVDD Power-on Reset
6.4.9 Low Speed Oscillator
Table 20. CMREF Circuit
Symbol
Parameter
Min
Typ
Max
Units
VVCM
Output voltage
1.6
1.7
1.8
V
CL
Load capacitance
100
nF
Table 21. Internal AVDD Power-on Reset
Symbol
Parameter
Min
Typ
Max
Units
VPORHIA
Power On Reset Threshold
2.2
2.4
2.6
V
tPORA
POR time - The duration from Power ON till
the time, internal Power On Reset signal
goes HIGH
1
1. POR pulse is always longer than tPORA whatever the slope of the supply.
1µs
IPORA
Current consumption in POR block
2
2. I
PORA can not be switched off.
1.5
µA
Table 22. Internal DVDD Power-on Reset
Symbol
Parameter
Min
Typ
Max
Units
VPORHID
Power On Reset Threshold
2.2
2.4
2.7
V
VHYST
Hysteresis
1
1. VPORLO = VPORHI - VHYST where VPORLO is the lower threshold of POR.
0.20.250.4
V
tPORD
POR time - The duration from Power ON till the
time, internal Power On Reset signal goes
HIGH
2
2. VPORLO = VPORHI - VHYST where VPORLO is the lower threshold of POR.
1µs
IPORD
Current
3
3. IPORD can not be switched off.
1.5
µA
Table 23. Low Speed Oscillator
Symbol
Parameter
Min
Typ
Max
Units
fLS
Frequency
262.144
kHz
fLS_ACC
Accuracy
± 7
%
ILS
Supply current
5
µA



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