ADE7757 Ver la hoja de datos (PDF) - Analog Devices
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ADE7757 Datasheet PDF : 16 Pages
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ADE7757–SPECIFICATIONS (VDD = 5 V ؎ 5%, AGND = DGND = 0 V, On-Chip Reference, RCLKIN = 6.2 k⍀,
0.5% ؎ 50 ppm/؇C, TMIN to TMAX = –40؇C to +85؇C, unless otherwise noted.)
Parameter
Value Unit
Test Conditions/Comments
ACCURACY1, 2
Measurement Error1 on Channel V1
Phase Error1 between Channels
V1 Phase Lead 37°
(PF = 0.8 Capacitive)
V1 Phase Lag 60°
(PF = 0.5 Inductive)
AC Power Supply Rejection1
Output Frequency Variation (CF)
DC Power Supply Rejection1
Output Frequency Variation (CF)
ANALOG INPUTS
Channel V1 Maximum Signal Level
Channel V2 Maximum Signal Level
Input Impedance (DC)
Bandwidth (–3 dB)
ADC Offset Error1, 2
Gain Error1
0.1
± 0.1
± 0.1
0.2
± 0.3
± 30
± 165
320
7
± 18
±4
% Reading typ
Channel V2 with Full-Scale Signal (± 165 mV), 25°C
Over a Dynamic Range 500 to 1
Line Frequency = 45 Hz to 65 Hz
Degrees (°) max
Degrees (°) max
% Reading typ
% Reading typ
mV max
mV max
kΩ min
kHz nominal
mV max
% Ideal typ
S0 = S1 = 1,
V1 = 21.2 mV rms, V2 = 116.7 mV rms @ 50 Hz
Ripple on VDD of 200 mV rms @ 100 Hz
S0 = S1 = 1,
V1 = 21.2 mV rms, V2 = 116.7 mV rms,
VDD = 5 V ± 250 mV
See Analog Inputs section
V1P and V1N to AGND
V2P and V2N to AGND
OSC = 450 kHz, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C
OSC = 450 kHz, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C
See Terminology Section and Typical Performance Characteristics
External 2.5 V Reference
V1 = 21.2 mV rms, V2 = 116.7 mV rms
OSCILLATOR FREQUENCY (OSC) 450
Oscillator Frequency Tolerance1
± 12
Oscillator Frequency Stability1
± 30
kHz nominal
% Reading typ
ppm/°C typ
RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C
REFERENCE INPUT
REFIN/OUT Input Voltage Range
Input Capacitance
2.7
V max
2.3
V min
10
pF max
2.5 V + 8%
2.5 V – 8%
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
± 200 mV max
± 20 ppm/°C typ
Nominal 2.5 V
LOGIC INPUTS3
SCF, S0, S1,
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN
2.4
V min
0.8
V max
±1
µA max
10
pF max
LOGIC OUTPUTS3
F1 and F2
Output High Voltage, VOH
4.5
V min
Output Low Voltage, VOL
0.5
V max
CF
Output High Voltage, VOH
4
V min
Output Low Voltage, VOL
0.5
V max
Frequency Output Error1, 2 (CF)
± 10
% Ideal typ
VDD = 5 V ± 5%
VDD = 5 V ± 5%
Typically 10 nA, VIN = 0 V to VDD
ISOURCE = 10 mA
VDD = 5 V
ISINK = 10 mA
VDD = 5 V
ISOURCE = 5 mA
VDD = 5 V
ISINK = 5 mA
VDD = 5 V
External 2.5 V Reference,
V1 = 21.2 mV rms, V2 = 116.7 mV rms
POWER SUPPLY
VDD
IDD
4.75 V min
5.25 V max
5
mA max
For Specified Performance
5 V – 5%
5 V + 5%
Typically 4 mA
NOTES
1See Terminology section for explanation of specifications.
2See plots in Typical Performance Characteristics.
3Sample tested during initial release and after any redesign or process change that may affect this parameter.
Specifications subject to change without notice.
–2–
REV. A
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