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MCP3906-I/SS 参数 Datasheet PDF下载

MCP3906-I/SS图片预览
型号: MCP3906-I/SS
PDF下载: 下载PDF文件 查看货源
内容描述: 与有功电能脉冲输出电能计量IC [Energy-Metering ICs with Active (Real) Power Pulse Output]
分类和应用: 模拟IC信号电路脉冲光电二极管
文件页数/大小: 26 页 / 363 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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MCP3905/06
TIMING CHARACTERISTICS
Electrical Specifications:
Unless otherwise indicated, all parameters apply at AV
DD
= DV
DD
= 4.5V – 5.5V,
A
GND
, D
GND
= 0V, MCLK = 3.58 MHz; T
A
= -40°C to +85°C.
Parameter
Frequency Output
F
OUT0
and F
OUT1
Pulse Width
(Logic-Low)
HF
OUT
Pulse Width
F
OUT0
and F
OUT1
Pulse Period
HF
OUT
Pulse Period
F
OUT0
to F
OUT1
Falling-Edge Time
F
OUT0
to F
OUT1
Min Separation
F
OUT0
and F
OUT1
Output High Voltage
F
OUT0
and F
OUT1
Output Low Voltage
HF
OUT
Output High Voltage
HF
OUT
Output Low Voltage
High-Level Input Voltage
(All Digital Input Pins)
Low-Level Input Voltage
(All Digital Input Pins)
Input Leakage Current
Pin Capacitance
Note 1:
2:
3:
t
FW
t
HW
t
FP
t
HP
t
FS2
t
FS
V
OH
V
OL
V
OH
V
OL
V
IH
V
IL
Sym
Min
Typ
275
90
Max
Units
ms
ms
s
s
Comment
984376 MCLK periods
322160 MCLK periods
Refer to Equation 4-1
Refer to Equation 4-2
0.5 t
FP
4/MCLK
4.5
V
V
V
V
V
V
µA
pF
I
OH
= 10 mA, DV
DD
= 5.0V
I
OL
= 10 mA, DV
DD
= 5.0V
I
OH
= 5 mA, DV
DD
= 5.0V
I
OL
= 5 mA, DV
DD
= 5.0V
DV
DD
= 5.0V
DV
DD
= 5.0V
V
IN
= 0, V
IN
= DV
DD
0.5
4.0
0.5
2.4
0.85
±3
10
If output pulse period (t
FP
) falls below 984376*2 MCLK periods, then t
FW
= 1/2 t
FP
.
If output pulse period (t
HP
) falls below 322160*2 MCLK periods, then t
HW
= 1/2 t
HP
.
Specified by characterization, not production tested.
t
FP
t
FW
F
OUT0
t
FS
t
FS2
F
OUT1
t
HW
HF
OUT
t
HP
NEG
FIGURE 1-1:
Output Timings for Pulse Outputs and Negative Power Pin.
DS21948D-page 4
©
2007 Microchip Technology Inc.