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AS8510-ASSP 数据表(PDF) 15 Page - ams AG

部件名 AS8510-ASSP
功能描述  Data Acquisition Device for Battery Sensors
PDF  47 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS8510-ASSP 数据表(HTML) 15 Page - ams AG

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www.ams.com/AS8510
Revision 3.5
14 - 46
AS8510
Datasheet - Electrical Character i s t ics
6.4.8 Internal DVDD Power-on Reset
6.4.9 Low Speed Oscillator
6.4.10 High Speed Oscillator
Notes:
1. Accuracy after trimming.
2. Accuracy for limited temperature range of -20 to 65 ºC.
6.4.11 External Clock
Table 22. Internal DVDD Power-on Reset
Symbol
Parameter
Min
Typ
Max
Units
V
PORHID
Power On Reset Threshold
2.2
2.4
2.7
V
V
HYST
Hysteresis
1
1. V
PORLO = VPORHI - VHYST where VPORLO is the lower threshold of POR.
0.20.250.4
V
t
PORD
POR time - The duration from Power ON till the
time, internal Power On Reset signal goes
HIGH
2
2. V
PORLO = VPORHI - VHYST where VPORLO is the lower threshold of POR.
1µs
I
PORD
Current
3
3. I
PORD can not be switched off.
1.5
µA
Table 23. Low Speed Oscillator
Symbol
Parameter
Min
Typ
Max
Units
f
LS
Frequency
262.144
kHz
f
LS
_ACC
Accuracy
± 7
%
I
LS
Supply current
5
µA
Table 24. High Speed Oscillator
Symbol
Parameter
Min
Typ
Max
Units
f
HS
Frequency
4.096
MHz
f
HSACC
Accuracy
1, 2
±4
%
I
HS
Supply current
300
µA
Table 25. External Clock
Symbol
Parameter
Conditions
Min
Typ
Max
Units
f
CLKEXT
Clock frequency
2048/
4096/
8192
kHz
DIV
CLKEXT
Clock division factor
to be programmed in Register 08
CLK_REG through the serial bus SPI.
2/4/8
DC
CLKEXT
Duty Cycle of external clock
40
60
%



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