參數(shù)資料
型號(hào)： ADE7759
廠商： Analog Devices, Inc.
英文描述： Active Energy Metering IC with di/dt Sensor Interface
中文描述： 有源電能計(jì)量IC的di / dt傳感器接口
文件頁(yè)數(shù)： 3/32頁(yè)
文件大小： 530K
代理商： ADE7759
REV. 0
–3–
ADE7759
SPECIFICATIONS
1
Parameter
Spec
Unit
Test Conditions/Comments
ENERGY MEASUREMENT ACCURACY
Measurement Bandwidth
Measurement Error
1
on Channel 1
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
Channel 1 Range = 0.125 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
kHz
CLKIN = 3.579545 MHz
Channel 2 = 300 mV rms/60 Hz, Gain = 1
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
% 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
0.2
0.2
0.4
±
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 = 300 mV rms/60 Hz, Gain = 1
AV
DD
= DV
DD
= 5 V
±
250 mV dc
Channel 1 = 20 mV rms/60 Hz, Gain = 16, Range = 0.5 V
Channel 2 = 300 mV rms/60 Hz, Gain = 1
0.2
% typ
DC Power Supply Rejection
1
Output Frequency Variation (CF)
±
0.3
% typ
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
Bandwidth
Gain Error
1, 3
Channel 1
Range = 0.5 V Full-Scale
Range = 0.25 V Full-Scale
Range = 0.125 V Full-Scale
Channel 2
Gain Error Match
1
Channel 1
Range = 0.5 V Full-Scale
Range = 0.25 V Full-Scale
Range = 0.125 V Full-Scale
Channel 2
Offset Error
1
Channel 1
Channel 2
See Analog Inputs Section
V1P, V1N, V2N, and V2P to AGND
±
0.5
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
±
4
±
4
±
4
±
4
% typ
% typ
% typ
% typ
V1 = 0.5 V dc
V1 = 0.25 V dc
V1 = 0.125 V dc
V2 = 0.5 V dc
External 2.5 V Reference
±
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
±
10
±
10
mV max
mV max
Gain = 1
Gain = 1
WAVEFORM SAMPLING
Channel 1
Signal-to-Noise plus Distortion
Bandwidth (–3 dB)
Channel 2
Signal-to-Noise plus Distortion
Bandwidth (–3 dB)
Sampling CLKIN/128, 3.579545 MHz/128 = 27.9 kSPS
See Channel 1 Sampling
150 mV rms/60 Hz, Range = 0.5 V, Gain = 2
CLKIN = 3.579545 MHz
See Channel 2 Sampling
150 mV rms/60 Hz, Gain = 2
CLKIN = 3.579545 MHz
62
14
dB typ
kHz
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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