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ADE7752ARRL Datasheet(PDF) 3 Page - Analog Devices

No. de pieza ADE7752ARRL
Descripción Electrónicos  Polyphase Energy Metering IC with Pulse Output
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ADE7752ARRL Datasheet(HTML) 3 Page - Analog Devices

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ADE7752/ADE7752A
Rev. C | Page 3 of 24
SPECIFICATIONS
VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz, TMIN to TMAX = –40°C to +85°C, unless otherwise noted.
Table 1.
ADE7752
ADE7752A
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
Conditions
ACCURACY1, 2
Measurement Error on Current
Channel
0.1
0.1
% Reading
Voltage channel with full-scale signal
(±500 mV), 25°C, over a dynamic range
of 500 to 1
Phase Error Between Channels
PF = 0.8 Capacitive
±0.1
±0.1
Degrees
PF = 0.5 Inductive
±0.1
±0.1
Degrees
AC Power Supply Rejection
SCF = 0; S0 = S1 = 1
Output Frequency Variation
(CF)
0.01
0.01
% Reading
IA = IB = IC = 100 mV rms,
VA = VB = VC = 100 mV rms, @ 50 Hz,
ripple on VDD of 175 mV rms @ 100 Hz
DC Power Supply Rejection
S1 = 1; S0 = SCF = 0
Output Frequency Variation
(CF)
0.1
0.1
% Reading
IA = IB = IC = 100 mV rms,
VA = VB = VC = 100 mV rms,
VDD = 5 V ±250 mV
ANALOG INPUTS
See the Analog Inputs section.
Maximum Signal Levels
±0.5
±0.5
Vpeak
differential
VAP to VN, VBP to VN, VCP to VN, IAP to IAN,
IBP to IBN, ICP to ICN
Input Impedance (DC)
370
410
370
450
CLKIN = 10 MHz
Bandwidth (–3 dB)
14
14
kHz
CLKIN/256, CLKIN = 10 MHz
ADC Offset Error1, 2
±25
±25
mV
Gain Error
±9
±9
% Ideal
External 2.5 V reference,
IA = IB = IC = 500 mV dc
REFERENCE INPUT
REFIN/OUT Input Voltage Range
2.6
2.6
V
2.4 V + 8%
2.2
2.2
V
2.4 V – 8%
Input Impedance
3.3
3.3
Input Capacitance
10
10
pF
ON-CHIP REFERENCE
Nominal 2.4 V
Reference Error
±200
±200
mV
Temperature Coefficient
25
25
ppm/°C
CLKIN
All specifications for CLKIN of 10 MHz
Input Clock Frequency
10
10
MHz
LOGIC INPUTS3
ACF, S0, S1, and ABS
Input High Voltage, VINH
2.4
2.4
V
VDD = 5 V ±5%
Input Low Voltage, VINL
0.8
0.8
V
VDD = 5 V ±5%
Input Current, IIN
±3
±3
μA
Typically 10 nA, VIN = 0 V to VDD
Input Capacitance, CIN
10
10
pF
LOGIC OUTPUTS3
F1 and F2
Output High Voltage, VOH
4.5
4.5
V
ISOURCE = 10 mA, VDD = 5 V
Output Low Voltage, VOL
0.5
0.5
V
ISINK = 10 mA, VDD = 5 V
CF and REVP
Output High Voltage, VOH
4
4
V
VDD = 5 V, ISOURCE = 5 mA
Output Low Voltage, VOL
0.5
0.5
V
VDD = 5 V, ISINK = 5 mA
POWER SUPPLY
For specified performance
VDD
4.75
5.25
4.75
5.25
V
5 V ±5%
IDD
12
16
6
9
mA
1 See the Terminology section for explanation of specifications.
2 See the plots in the Typical Performance Characteristics section.
3 Sample tested during initial release and after any redesign or process change that may affect this parameter.


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