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ADE7758ARWRL(2004) View Datasheet(PDF) - Analog Devices

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ADE7758ARWRL Datasheet PDF : 68 Pages
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ADE7758
SPECIFICATIONS1, 2
AVDD = DVDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz XTAL, TMIN to TMAX = −40°C to +85°C.
Table 1.
Parameter
ACCURACY
Active Energy Measurement Error
(per Phase)
Phase Error between Channels
(PF = 0.8 Capacitive)
(PF = 0.5 Inductive)
AC Power Supply Rejection1
Output Frequency Variation
DC Power Supply Rejection1
Output Frequency Variation
Active Power Measurement Bandwidth
IRMS Measurement Error
IRMS Measurement Bandwidth
VRMS Measurement Error
VRMS Measurement Bandwidth
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
ADC Offset Error3
Gain Error1, 3
WAVEFORM SAMPLING
Current Channels
Signal-to-Noise Plus Distortion
Bandwidth (−3 dB)
Voltage Channels
Signal-to-Noise Plus Distortion
Bandwidth (−3 dB)
REFERENCE INPUT
REFIN/OUT Input Voltage Range
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Current Source
Output Impedance
Temperature Coefficient
CLKIN
Input Clock Frequency
LOGIC INPUTS
DIN, SCLK, CLKIN, and CS
Specification
0.1
±0.05
±0.05
0.01
0.01
14
0.5
14
0.5
260
±500
380
30
±6
62
14
62
180
2.7
2.3
10
±200
6
4
30
15
5
Unit
Test Conditions/Comments
% typ
°max
°max
% typ
% typ
kHz
% typ
kHz
% typ
Hz
mV max
kΩ min
mV max
% typ
dB typ
kHz
dB typ
Hz
Over a dynamic range of 1000 to 1
Line frequency = 45 Hz to 65 Hz, HPF on
Phase lead 37°
Phase lag 60°
AVDD = DVDD = 5 V + 175 mV rms/120 Hz
V1P = V2P = V3P = 100 mV rms
AVDD = DVDD = 5 V ± 250 mV dc
V1P = V2P = V3P = 100 mV rms
Over a dynamic range of 500:1
Over a dynamic range of 20:1
See the Analog Inputs section
Differential input
Uncalibrated error, see the Terminology section
External 2.5 V reference
Sampling CLKIN/128, 10 MHz/128 = 78.1 kSPS
See the Current Channel ADC section
See the Voltage Channel ADC section
V max
V min
pF max
mV max
µA max
kΩ min
ppm/°C typ
MHz max
MHz min
2.5 V + 8%
2.5 V – 8%
Nominal 2.4 V at REFIN/OUT pin
All specifications CLKIN of 10 MHz
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN
2.4
V min
DVDD = 5 V ± 5%
0.8
V max
DVDD = 5 V ± 5%
±3
µA max
Typical 10 nA, VIN = 0 V to DVDD
10
pF max
Rev. A | Page 5 of 68
 

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