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)： 5/15頁(yè)
文件大小： 327K
代理商： AD7751(中文)
==99-11-12==
P&S
ooá|′μ×ó1é· YóDT1
==15-5==
2. 2 ìD2 êy
￡¨
AV
DD
=DV
DD
=5V
à
5%
￡
AGND=DGND=0V
￡úù×￡
CLKIN=3.58MHz
￡
T
MIN
á
T
MAX
=-40
á
+85
￡
B Version
Parameter
-40 C to +85 C
Units
P &S
oo á|′μ×ó1é· YóDT1
μ :
ot±±ooêD×μèa· 15o
D :
ooêD70020D
óê±à:
430079
μ°:
( 86) ( 027￡87493500 87493506
′
( 86) ( 027) 87491166, 87493497
P &S
í í :
http://www.p8s.com
1 ￠4
Test Conditions/Comments
ACCURACY
Measurement Error
1
on Channel 1 and 2
Gain = 1
Gain = 2
Gain = 8
Gain = 16
Phase Error
1
Between Channels
V1 Phase Lead 37
(PF = 0.8 Capacitive)
V1 Phase Lag 60
(PF = 0.5 Inductive)
ac Power Supply Rejection
1
Output Frequency Variation (CF)
One Channel with Full Scale Signal 660mV).
Over a dynamic ange
500 to 1
Over a dynamic ange
500 to 1
Over a dynamic ange
500 to 1
Over a dynamic ange
500 to 1
Line Frequency = 45Hz to 65Hz
0.2
0.2
0.3
0.3
%Reading typ
%Reading typ
%Reading typ
%Reading typ
0.05
Degrees( ) max
AC/DC = 0 and AC/DC
= 1
0.05
Degrees( ) max
AC/DC
= 0 and AC/DC
= 1
AC/DC
= 1
,
S0=S1=1, G0=G1=0
V1A=V1B= 100mV rms, V2P = 100mV ms,
Ripple
on
AV
DD
of 250mV rms
/
50Hz
AC/DC
= 1 ,
S0=S1=1, G0=G1=0
V1A=V1B= 100mV, V2P = 100mV ms,
AV
DD
= AV
DD
250mV
0.01
%Reading typ
dc Power Supply Rejection
1
Output Frequency Variation (CF)
0.01
%Reading typ
FAULT DETECTION
Fault Detection Threshold
Inactive /p <> Active i/p
Input Swap Threshold
Inactive /p > Active /p
Accuracy Fault Mode Operation
V1A Active, V1B = AGND
V1B Active, V1A = AGND
Fault Detection Delay
Swap Delay
1,2
12.5
% typ
(V1A or V1B Active)
14
% of Active typ
(V1A or V1B Active)
0.2
0.2
1
1
%Reading typ
%Reading typ
second typ
second typ
Over a dynamic range 500 to 1
Over a dynamic range 500 to 1
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (dc)
Bandwidth
ADC Offset Error
1
Gain Error
1
Gain Error Match
1
1
400
3.5
10
4
0.3
V max
k min
kHz typ
mV max
% Ideal typ
% Ideal typ
V1A, V1B
, V1N, V2N and V2P to AGND
CLKIN = 3.58 MHz
CLKIN/1024, CLKIN = 3.58 MHz
See Terminology
External 2.5V reference, Gain=1, V1=V2=660mV dc
External 2.5V reference
REFERENCE INPUT
REF
IN/OUT
Input Voltage Range
2.7
2.3
4
10
V max
V min
k
10
2.5 V +8%
2.5V -8%
Input Impedance
Input Capacitance
min
pF max
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
Nominal 2.5V
200
55
mV max
ppm/ C typ
CLKIN
Input Clock Frequency
Note all specifications for CLKIN of 3.58MHz
4
1
MHz max
MHz min
LOGIC INPUTS
SCF, S0, S1, AC/DC ,
RESET, G0 and G1
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
Input Capacitance, C
IN
2.4
0.8
3
10
V min
V max
A max
pF max
DV
DD
= 5 V 5%
DV
DD
= 5 V 5%
Typically 10nA, V
IN
= 0V to DV
DD
相關(guān)PDF資料
PDF描述
AD7751 Energy Metering IC with On-Chip Fault Detection(高精度容錯(cuò)電子能量測(cè)量芯片)
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AD7755 Energy Metering IC with Pulse Output(帶脈沖輸出的高精度電子能量測(cè)量芯片)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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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