ADE7761A Ver la hoja de datos (PDF) - Analog Devices
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ADE7761A Datasheet PDF : 24 Pages
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ADE7761A
SPECIFICATIONS
VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, on-chip oscillator, TMIN to TMAX = −40°C to +85°C.
Table 1.
Parameter
ACCURACY1
Measurement Error2
Phase Error Between Channels
PF = 0.8 Capacitive
PF = 0.5 Inductive
AC Power Supply Rejection2
Output Frequency Variation
DC Power Supply Rejection2
Output Frequency Variation
FAULT DETECTION2, 3
Fault Detection Threshold
Inactive Input <> Active Input
Input Swap Threshold
Inactive Input <> Active Input
Accuracy Fault Mode Operation
V1A Active, V1B = AGND
V1B Active, V1A = AGND
Fault Detection Delay
Swap Delay
MISSING NEUTRAL MODE2, 4
Missing Neutral Detection Threshold
V2P − V2N
Accuracy Missing Neutral Mode
V1A Active, V1B = V2P = AGND
V1B Active, V1A = V2P = AGND
Missing Neutral Detection Delay
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
Bandwidth (−3 dB)
ADC Offset Error2
Gain Error
Gain Error Match2
REFERENCE INPUT
REFIN/OUT Input Voltage Range
Input Impedance
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
Current Source
ON-CHIP OSCILLATOR
Oscillator Frequency
Oscillator Frequency Tolerance
Temperature Coefficient
Value Unit
Test Conditions/Comments
0.1
% of reading, typ Over a dynamic range of 500 to 1
±0.05 Degrees, max
±0.05 Degrees, max
Phase lead 37°
Phase lag 60°
0.01 %, typ
V1A = V1B = V2P = ±100 mV rms
0.01 %, typ
V1A = V1B = V2P = ±100 mV rms
See the Fault Detection section
6.25 %, typ
V1A or V1B active
6.25 % of larger, typ
V1A or V1B active
0.1
% of reading, typ Over a dynamic range of 500 to 1
0.1
% of reading, typ Over a dynamic range of 500 to 1
3
Seconds, typ
3
Seconds, typ
See the Missing Neutral Detection section
59.4 mV peak, min
0.1
0.1
3
±660
660
400
7
15
±4
±3
% of reading, typ
% of reading, typ
Seconds, typ
mV peak, max
mV peak, max
kΩ, min
kHz, typ
mV, typ
%, typ
%, typ
Over a dynamic range of 500 to 1
Over a dynamic range of 500 to 1
V1A − V1N, V1B − V1N, V2P − V2N
Differential input
Differential input MISCAL − V2N
Uncalibrated error, see the Terminology section for details
External 2.5 V reference
External 2.5 V reference
2.7
V, max
2.3
V, min
3
kΩ, min
10
pF, max
2.5 V + 8%
2.5 V − 8%
±200
30
20
mV, max
ppm/°C, typ
μA, min
450 kHz
±12 % of reading, typ
30
ppm/°C, typ
Rev. 0 | Page 3 of 24
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