參數(shù)資料
型號(hào): AD7751(中文)
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): 6/15頁(yè)
文件大?。?/td> 327K
代理商: AD7751(中文)
==99-11-12==
P&S
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( 86) ( 027£87493500 87493506
( 86) ( 027) 87491166, 87493497
P &S
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Dé±í
B Version
-40 C to +85 C
Parameter
Units
Test Conditions/Comments
LOGIC OUTPUTS
F1and F2
Output High Voltage, V
OH
3
I
=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
Vmin
Output Low Voltage, V
OL
1
Vmax
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
Vmin
Vmax
Vmin
Vmax
mA max
mA max
DV
DD
AI
DD
DI
DD
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4.
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2. 3 AD7751μ¨ê±ìD
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AV
DD
=DV
DD
=5V
à
5%
AGND=DGND=0V
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CLKIN=3.58MHz
T
MIN
á
T
MAX
=-40
á
+85
1 ¢2
Parameter
B Versions
Units
Test Conditions/Comments
t
1
t
2
t
3
t
4
t
5
t
6
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1.
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2.
í
7
3.
μê3μê£
F1
F2
CF
μ3í è2¢21ì¨ £ °μêê3 ±ú £
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
1/2
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3. 1 2aáó2
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AD7751
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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