ADE7760 Просмотр технического описания (PDF) - Analog Devices
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ADE7760 Datasheet PDF : 24 Pages
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ADE7760
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
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
Bandwidth (–3 dB)
ADC Offset Error2
Gain Error
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
LOGIC INPUTS4
SCF, S1, and S0
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN
Value Unit
Test Conditions/Comments
0.1
% of reading, typ Over a dynamic range of 500 to 1
±0.05
±0.05
Degrees, max
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
0.1
3
3
±660
400
7
10
±4
% of reading, typ
% of reading, typ
Seconds, typ
Seconds, typ
mV peak, max
kΩ, min
kHz, typ
mV, max
%, 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
Uncalibrated error, see the Terminology section for details
External 2.5 V reference
2.7
V, max
2.3
V, min
4
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
2.4
V, min
0.8
V, max
±3
µA, max
10
pF, max
VDD = 5 V ± 5%
VDD = 5 V ± 5%
Typical 10 nA, VIN = 0 V to VDD
Rev. 0 | Page 3 of 24
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