參數(shù)資料
型號(hào)： EVAL-ADE7756EB
廠商： Analog Devices, Inc.
英文描述： Active Energy Metering IC with Serial Interface
中文描述： 有源電能計(jì)量IC串行接口
文件頁數(shù)： 3/32頁
文件大?。?/td> 347K
代理商： EVAL-ADE7756EB
REV. 0
–3–
ADE7756
SPECIFICATIONS
1
Parameter
A Version
B Version
Unit
Test Conditions/Comments
ENERGY MEASUREMENT ACCURACY
Measurement Bandwidth
Measurement Error
1
on Channel 1
Channel 1 Range = 1 V Full Scale
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Channel 1 Range = 0.5 V Full Scale
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Channel 1 Range = 0.25 V Full Scale
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Phase Error
1
Between Channels
AC Power Supply Rejection
1
Output Frequency Variation (CF)
14
14
kHz
CLKIN = 3.579545 MHz
Channel 2 = 300 mV rms/60 Hz, Gain = 2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
% typ
% typ
% typ
% typ
% typ
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.1
0.2
% typ
% typ
% typ
% typ
% typ
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
0.1
0.1
0.1
0.2
0.2
±
0.05
0.1
0.1
0.1
0.2
0.2
±
0.05
% typ
% typ
% typ
% typ
% typ
°
max
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Over a Dynamic Range 1000 to 1
Line Frequency = 45 Hz to 65 Hz, HPF On
AV
DD
= DV
DD
= 5 V + 175 mV rms/120 Hz
Channel 1 = 20 mV rms/60 Hz, Gain = 16,
Range = 0.5 V
Channel 2 = 175 mV rms/60 Hz, Gain = 4
AV
DD
= DV
DD
= 5 V
±
250 mV dc
Channel 1 = 20 mV rms/60 Hz, Gain = 16,
Range = 0.5 V
Channel 2 = 175 mV rms/60 Hz, Gain = 4
0.2
0.2
% typ
DC Power Supply Rejection
1
Output Frequency Variation (CF)
±
0.3
±
0.3
% typ
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (dc)
Bandwidth
Gain Error
1, 2
See Analog Inputs Section
V1P, V1N, V2N and V2P to AGND
±
1
390
14
±
1
390
14
V max
k
min
kHz
CLKIN/256, CLKIN = 3.579545 MHz
External 2.5 V Reference, Gain = 1 on
Channel 1 and 2
Channel 1
Range = 1 V Full Scale
Range = 0.5 V Full Scale
Range = 0.25 V Full Scale
Channel 2
Gain Error Match
1
Channel 1
Range = 1 V Full Scale
Range = 0.5 V Full Scale
Range = 0.25 V Full Scale
Channel 2
Offset Error
1
Channel 1
Channel 2
±
4
±
4
±
4
±
4
±
4
±
4
±
4
±
4
% typ
% typ
% typ
% typ
V1 = 1 V dc
V1 = 0.5 V dc
V1 = 0.25 V dc
V2 = 1 V dc
External 2.5 V Reference
±
0.3
±
0.3
±
0.3
±
0.3
±
0.3
±
0.3
±
0.3
±
0.3
% typ
% typ
% typ
% typ
Gain = 1, 2, 4, 8, 16
Gain = 1, 2, 4, 8, 16
Gain = 1, 2, 4, 8, 16
Gain = 1, 2, 4, 8, 16
±
20
±
20
±
20
±
20
mV max
mV max
Range = 1 V, Gain = 1
Gain = 1
WAVEFORM SAMPLING
Sampling CLKIN/128, 3.579545 MHz/128 =
27.9 kSPS
See Channel 1 Sampling
700 mV rms/60 Hz, Range = 1 V, Gain = 1
CLKIN = 3.579545 MHz
See Channel 2 Sampling
300 mV rms/60 Hz, Gain = 2
CLKIN = 3.579545 MHz
Channel 1
Signal-to-Noise Plus Distortion
Bandwidth (–3 dB)
Channel 2
Signal-to-Noise Plus Distortion
Bandwidth (–3 dB)
62
14
62
14
dB typ
kHz
52
156
52
156
dB typ
Hz
(AV
DD
= DV
DD
= 5 V 5%, AGND = DGND = 0 V, On-Chip Reference, CLKIN = 3.579545 MHz XTAL,
T
MIN
to T
MAX
= –40 C to +85 C, unless otherwise noted.)
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