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ADE7752 bảng dữ liệu(PDF) 2 Page - Analog Devices

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REV. PrB 08/01
PRELIMINARY TECHNICAL DATA
–2–
ADE7752–SPECIFICATIONS
(VDD = 5 V
5%, AGND = DGND = 0 V, On-Chip Reference, CLKIN = 10 MHz,
TMIN to TMAX = –40 C to +85 C)
Parameter
Units
Test Conditions/Comments
ACCURACY
1, 2
Measurement Error
1 on Current Channel
Voltage Channel with Full-Scale Signal (±500 mV),
+25°C
0.1
% Reading typ
Over a Dynamic Range 500 to 1
Phase Error
1 Between Channels
Line Frequency = 45 Hz to 65 Hz
(PF = 0.8 Capacitive)
±0.1
Degrees(°) max
(PF = 0.5 Inductive)
±0.1
Degrees(°) max
AC Power Supply Rejection
1
S0 = S1 = 1
Output Frequency Variation (CF)
0.01
% Reading typ
V1 = 100 mV rms, V2 = 100 mV rms, @ 50 Hz
Ripple on VDD of 200 mV rms @ 100 Hz
DC Power Supply Rejection
1
S0 = S1 = 1
Output Frequency Variation (CF)
0.01
% Reading typ
V1 = 100 mV rms, V2 = 100 mV rms,
VDD = 5 V ± 250 mV
ANALOG INPUTS
See Analog Inputs Section
Maximum Signal Levels
±0.125
V max
VAP, VBP, VCP, VN, IAP, IAN, IBP, IBN, ICP and
ICN to AGND
Input Impedance (DC)
400
k
Ω min
CLKIN = 10 MHz
Bandwidth (–3 dB)
TBD
kHz typ
CLKIN/256, CLKIN = 10 MHz
ADC Offset Error
1, 2
±15
mV max
See Terminology and
Gain Error
1
±4
% Ideal typ
External 2.5 V Reference,
V1 = 125 mV dc, V2 = 125 mV dc
Gain Error Match
1
±0.2
% Ideal typ
External 2.5 V Reference
REFERENCE INPUT
REFIN/OUT Input Voltage Range
2.7
V max
2.5 V + 8%
2.3
V min
2.5 V – 8%
Input Impedance
3.7
k
Ω min
Input Capacitance
10
pF max
ON-CHIP REFERENCE
Nominal 2.5 V
Reference Error
±200
mV max
Temperature Coefficient
30
ppm/°C typ
CLKIN
Note All Specifications for CLKIN of 10 MHz
Input Clock Frequency
15
MHz max
5
MHz min
LOGIC INPUTS
3
SCF, S0, S1, and
4-5-6
Input High Voltage, VINH
2.4
V min
VDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V ± 5%
Input Current, IIN
±3
µA max
Typically 10 nA, VIN = 0 V to VDD
Input Capacitance, CIN
10
pF max
LOGIC OUTPUTS
3
F1 and F2
Output High Voltage, VOH
ISOURCE = 10 mA
4.5
V min
VDD = 5 V
Output Low Voltage, VOL
ISINK = 10 mA
0.5
V max
VDD = 5 V
CF and REVP
Output High Voltage, VOH
4
V min
VDD = 5 V, ISOURCE = 5 mA
Output Low Voltage, VOL
0.5
V max
VDD = 5 V, ISINK = 5 mA
POWER SUPPLY
For Specified Performance
VDD
4.75
V min
5 V – 5%
5.25
V max
5 V + 5%
IDD
4
mA typ
NOTES
1 See Terminology Section for explanation of specifications.
2 See Plots in Typical Performance Graphs.
3Sample tested during initial release and after any redesign or process change that may affect this parameter.
Specifications subject to change without notice.


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