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AS8268 bảng dữ liệu(PDF) 10 Page - ams AG

tên linh kiện AS8268
Giải thích chi tiết về linh kiện  Single-Phase 2-Current Energy Measurement Integrated Circuits with Microcontroller, RTC, Programmable Multi-Purpose I/Os
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AS8268 bảng dữ liệu(HTML) 10 Page - ams AG

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Data Sheet AS8267 / AS8268
Revision 1.0, 19-Jun-07
Page 10 of 136
MPIO Inputs with Schmitt Trigger and Selectable Pull-up/Pull-down
Parameter
Symbol
Min
Typ
Max
Unit
Notes
High level input voltage
VIH
0.7 x VDD
V
Low level input voltage
VIL
0.3 x VDD
V
High level input current
IIH
15
100
µA
Tested at VDD=3.6V and Vin=3.6V;
‘pull-down’
Low level input current
IIL
-100
-15
µA
Tested at VDD=3.6V and Vin=0V;
‘pull-up’
MPIO Outputs with Programmable Drive Strength
Parameter
Symbol
Min
Typ
Max
Unit
Notes
High level output current
VOH
2.5
V
Tested at VDD=3.0V
Low level output current
VOL
0.4
V
Tested at VDD=3.0V
High level output current
IOH
4
mA
If ‘4mA’ is selected. Tested at
VDD=3.0V and Vout=VOH
Low level output current
IOL
-4
mA
If ‘4mA’ is selected. Tested at
VDD=3.0V and Vout=VOL
High level output current
IOH
8
mA
If ‘8mA’ is selected. Tested at
VDD=3.0V and Vout=VOH
Low level output current
IOL
-8
mA
If ‘8mA’ is selected. Tested at
VDD=3.0V and Vout=VOL
LCDD Outputs
The Liquid Crystal display driver (LCDD) outputs are specified in the LCD Driver section of this data sheet.
6.4
Electrical System Specification
Parameter
Symbol
Min
Typ
Max
Unit
Notes
Input Signals
Voltage channel input voltage
|VVP|
100
212
mVp
Referenced to VSSA
Current channel input voltage
(Gain=4)
|VI1P|, |VI2P|
150
212
mVp
Referenced to VSSA
Current channel input voltage
(Gain=16)
|VI1P|, |VI2P|
38
54
mVp
Referenced to VSSA
Current channel input voltage
(Gain=20)
|VI1P|, |VI2P|
30
42
mVp
Referenced to VSSA
Mains frequency
fmains
45
65
Hz
Dynamic range current
DR(I)
600:1
Dynamic range power
DR(P)
2000:1
Accuracy
0.1
%
Reading
Error variation over dyn. range
err(dr)
0.2
%
1)



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