ADE7756 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
ADE7756 Datasheet PDF : 32 Pages
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ADE7756
SPECIFICATIONS1 (AVDD = DVDD = 5 V ؎ 5%, AGND = DGND = 0 V, On-Chip Reference, CLKIN = 3.579545 MHz XTAL,
TMIN to TMAX = –40؇C to +85؇C, unless otherwise noted.)
Parameter
A Version B Version Unit
Test Conditions/Comments
ENERGY MEASUREMENT ACCURACY
Measurement Bandwidth
Measurement Error1 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 Error1 Between Channels
AC Power Supply Rejection1
Output Frequency Variation (CF)
14
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.2
0.2
± 0.05
0.2
DC Power Supply Rejection1
Output Frequency Variation (CF)
± 0.3
ANALOG INPUTS
Maximum Signal Levels
±1
Input Impedance (dc)
390
Bandwidth
14
Gain Error1, 2
Channel 1
Range = 1 V Full Scale
±4
Range = 0.5 V Full Scale
±4
Range = 0.25 V Full Scale
±4
Channel 2
±4
Gain Error Match1
Channel 1
Range = 1 V Full Scale
± 0.3
Range = 0.5 V Full Scale
± 0.3
Range = 0.25 V Full Scale
± 0.3
Channel 2
± 0.3
Offset Error1
Channel 1
± 20
Channel 2
± 20
WAVEFORM SAMPLING
Channel 1
Signal-to-Noise Plus Distortion
62
Bandwidth (–3 dB)
14
Channel 2
Signal-to-Noise Plus Distortion
52
Bandwidth (–3 dB)
156
14
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.2
0.2
± 0.05
0.2
± 0.3
±1
390
14
±4
±4
±4
±4
± 0.3
± 0.3
± 0.3
± 0.3
± 20
± 20
62
14
52
156
kHz
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
° max
% typ
% typ
V max
kΩ min
kHz
% typ
% typ
% typ
% typ
% typ
% typ
% typ
% typ
mV max
mV max
dB typ
kHz
dB typ
Hz
CLKIN = 3.579545 MHz
Channel 2 = 300 mV rms/60 Hz, Gain = 2
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
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
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
AVDD = DVDD = 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
AVDD = DVDD = 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
See Analog Inputs Section
V1P, V1N, V2N and V2P to AGND
CLKIN/256, CLKIN = 3.579545 MHz
External 2.5 V Reference, Gain = 1 on
Channel 1 and 2
V1 = 1 V dc
V1 = 0.5 V dc
V1 = 0.25 V dc
V2 = 1 V dc
External 2.5 V Reference
Gain = 1, 2, 4, 8, 16
Gain = 1, 2, 4, 8, 16
Gain = 1, 2, 4, 8, 16
Gain = 1, 2, 4, 8, 16
Range = 1 V, Gain = 1
Gain = 1
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
REV. 0
–3–
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