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參數(shù)資料
| 型號(hào)： | AD7751 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Energy Metering IC with On-Chip Fault Detection(高精度容錯(cuò)電子能量測(cè)量芯片) |
| 中文描述： | 電能計(jì)量IC片故障檢測(cè)（高精度容錯(cuò)電子能量測(cè)量芯片） |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 287K |
| 代理商： | AD7751 |
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PRELIMINARY TECHNICAL DATA
AD7751
3
PRELIM B1 10/98
AD7751 TIMING CHARACTERISTICS
1,2
Parameter
B Versions
Units
Test Conditions/Comments
t
1
t
2
t
3
t
4
t
5
t
6
3
275
See Table 1
t
2
90
See Table 1
CLKIN/4
ms
s
s
ms
s
s
F1 and F2 pulse width (logic low)
Output pulse period. See Table 1 to determine the output frequency
Time between F1 falling edge and F2 falling edge
CF pulse width (logic high)
CF pulse period, See Table 1 to determine the output frequency
Minimum time Between F1 and F2 Pulse
3
NOTES
1
Sample tested during initial release and after any redesign or process change that may affect this parameter.
2
See Figure 7.
3
The Pulse widths of F1, F2 and CF are not fixed for higher output frequencies. See Frequency Outputs
Model
Package Option*
AD7751BN
AD7751BRS
N-24
RS-24
* N = Plastic DIP; RS = Shrink Small Outline Package
ORDERING GIUDE
B Version
-40°C to +85°C
Parameter
Units
Test Conditions/Comments
LOGIC OUTPUTS
3
F1and F2
Output High Voltage, V
OH
I
SOURCE
=10mA
DV
DD
= 5V ±5%
I
= 10mA
DV
DD
= 5V ± 5%
4.5
V min
Output Low Voltage, V
OL
0.5
V max
CF, FAULT and REVP
Output High Voltage, V
OH
I
=10mA
DV
DD
= 5V ±5%
I
=10mA
DV
DD
= 5V ± 5%
4
V min
Output Low Voltage, V
OL
1
V max
POWER SUPPLY
AV
DD
For specified Performance
5V - 5%
5V +5%
5V - 5%
5V +5%
Typically 1.5 mA
Typically 1.5 mA
4.75
5.25
4.75
5.25
3
2
V min
V max
V min
V max
mA max
mA max
DV
DD
AI
DD
DI
DD
NOTES:
1
See Terminology Section for explaination of Specifications
2
Fault Detection Section of data sheet for explanation of fault detection functionality
3
See Plots in Typical Performance Graphs
4
Specifications subject to change without notice
(AV
DD
= DV
DD
= 5V ± 5%, AGND = DGND = 0V, On-Chip Reference,
CLKIN = 3.58MHz, TMIN to TMAX = -40°C to +85°C)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD7751AAN | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONV - Bulk |
| AD7751AAN-REF | 制造商:Analog Devices 功能描述: |
| AD7751AARS | 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONV - Bulk |
| AD7751ABRS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Energy Metering IC With On-Chip Fault Detection |
| AD7751AN | 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONV - Bulk |
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