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ADE7755 Datasheet(PDF) 3 Page - Analog Devices

Part No. ADE7755
Description  Energy Metering IC with Pulse Output
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADE7755 Datasheet(HTML) 3 Page - Analog Devices

 
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ADE7755
Rev. A | Page 3 of 20
SPECIFICATIONS
AVDD = DVDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 3.58 MHz, TMIN to TMAX = −40°C to +85°C.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ACCURACY1, 2
Measurement Error1 on Channel 1
Channel 2 with full-scale signal (±660 mV), 25°C
Gain = 1
0.1
% reading
Over a dynamic range of 500 to 1
Gain = 2
0.1
% reading
Over a dynamic range of 500 to 1
Gain = 8
0.1
% reading
Over a dynamic range of 500 to 1
Gain = 16
0.1
% reading
Over a dynamic range of 500 to 1
Phase Error1 Between Channels
Line frequency = 45 Hz to 65 Hz
V1 Phase Lead 37° (PF = 0.8 Capacitive)
±0.1
Degrees
AC/DC = 0 and AC/DC = 1
V1 Phase Lag 60° (PF = 0.5 Inductive)
±0.1
Degrees
AC/DC = 0 and AC/DC = 1
AC Power Supply Rejection1
AC/DC = 1, S0 = S1 = 1, G0 = G1 = 0
Output Frequency Variation (CF)
0.2
% reading
V1 = 100 mV rms, V2 = 100 mV rms @ 50 Hz,
ripple on AVDD of 200 mV rms @ 100 Hz
DC Power Supply Rejection1
AC/DC = 1, S0 = S1 = 1, G0 = G1 = 0
Output Frequency Variation (CF)
±0.3
% reading
V1 = 100 mV rms, V2 = 100 mV rms,
AVDD = DVDD = 5 V ± 250 mV
ANALOG INPUTS
See the Analog Inputs section
Maximum Signal Levels
±1
V
V1P, V1N, V2N, and V2P to AGND
Input Impedance (DC)
390
CLKIN = 3.58 MHz
−3 dB Bandwidth
14
kHz
CLKIN/256, CLKIN = 3.58 MHz
ADC Offset Error1, 2
±25
mV
Gain = 11, 2
Gain Error1
±7
% ideal
External 2.5 V reference, gain = 1
V1 = 470 mV dc, V2 = 660 mV dc
Gain Error Match1
±0.2
% ideal
External 2.5 V reference
REFERENCE INPUT
REFIN/OUT Input Voltage Range
2.7
V
2.5 V + 8%
2.3
V
2.5 V − 8%
Input Impedance
3.2
Input Capacitance
10
pF
ON-CHIP REFERENCE
Nominal 2.5 V
Reference Error
±200
mV
Temperature Coefficient
±30
ppm/°C
CLKIN
Note all specifications for CLKIN of 3.58 MHz
Input Clock Frequency
4
MHz
1
MHz
LOGIC INPUTS3
SCF, S0, S1, AC/DC, RESET, G0, and G1
Input High Voltage, VINH
2.4
V
DVDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V
DVDD = 5 V ± 5%
Input Current, IIN
±3
μA
Typically 10 nA, VIN = 0 V to DVDD
Input Capacitance, CIN
10
pF
LOGIC OUTPUTS3
F1 and F2
Output High Voltage, VOH
4.5
V
ISOURCE = 10 mA, DVDD = 5 V
Output Low Voltage, VOL
0.5
V
ISINK = 10 mA, DVDD = 5 V
CF and REVP
Output High Voltage, VOH
4
V
ISOURCE = 5 mA, DVDD = 5 V
Output Low Voltage, VOL
0.5
V
ISINK = 5 mA, DVDD = 5 V


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