ADE7751AAN-REF Analog Devices, ADE7751AAN-REF Datasheet - Page 2

• Manufacturer Part Number: ADE7751AAN-REF
• Description: Energy Metering IC with On-Chip Fault Detection
• Manufacturer: Analog Devices

ADE7751–SPECIFICATIONS
Parameter
ACCURACY
FAULT DETECTION
ANALOG INPUTS
REFERENCE INPUT
ON-CHIP REFERENCE
CLKIN
LOGIC INPUTS
Measurement Error
Phase Error
AC Power Supply Rejection
Output Frequency Variation (CF)
DC Power Supply Rejection
Output Frequency Variation (CF)
Fault Detection Threshold
Input Swap Threshold
Accuracy Fault Mode Operation
Fault Detection Delay
Swap Delay
Maximum Signal Levels
Input Impedance (DC)
Bandwidth
ADC Offset Error
Gain Error
Gain Error Match
REF
Input Impedance
Input Capacitance
Reference Error
Temperature Coefficient
Input Clock Frequency
SCF, S0, S1, AC/DC,
RESET, G0, and G1
Gain = 1
Gain = 2
Gain = 8
Gain = 16
V1 Phase Lead 37
V1 Phase Lag 60
Inactive i/p <> Active i/p
Inactive i/p > Active i/p
V1A Active, V1B = AGND
V1B Active, V1A = AGND
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
(PF = 0.8 Capacitive)
(PF = 0.5 Inductive)
IN/OUT
Input Voltage Range
3
1
1
between Channels
4
IN
1
1
1
on Channels 1 and 2
1, 4
INL
INH
IN
1
1
Value
0.1
0.1
0.1
0.1
0.2
12.5
14
0.1
0.1
3
3
390
14
2.7
2.3
3.2
10
4
1
2.4
0.8
10
0.1
0.1
0.3
200
30
3
1
25
10
0.4
1, 2
Degrees( ) max
Degrees( ) max
% Reading typ
% Reading typ
% Reading typ
% Reading typ
kHz typ
mV max
% Ideal typ
% Ideal typ
V min
MHz max
V min
V max
Unit
% Reading typ
% Reading typ
% Reading typ
% Reading typ
% typ
% of Active typ
Second typ
Second typ
V max
k min
V max
k min
pF max
mV max
ppm/ C typ
MHz min
pF max
A max
(AV
CLKIN = 3.58 MHz, T
DD
–2–
= DV
DD
= 5 V
Test Conditions/Comments
One Channel with Full-Scale Signal ( 660 mV)
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
Line Frequency = 45 Hz to 55 Hz
AC/DC = 0 and AC/DC = 1
AC/DC = 0 and AC/DC = 1
AC/DC = 1, S0 = S1 = 1, G0 = G1 = 0
V1 = 100 mV rms, V2 = 100 mV rms @ 50 Hz
Ripple on AV
AC/DC = 1, S0 = S1 = 1, G0 = G1 = 0
V1 = 100 mV rms, V2 = 100 mV rms,
AV
See Fault Detection Section
(V1A or V1B Active)
(V1A or V1B Active)
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
See Analog Inputs Section
V1A, V1B, V1N, V2N, and V2P to AGND
CLKIN = 3.58 MHz
CLKIN/256, CLKIN = 3.58 MHz
See Terminology and Typical Performance
Characteristics
External 2.5 V Reference, Gain = 1,
V1 = V2 = 660 mV dc
External 2.5 V Reference
2.5 V + 8%
2.5 V – 8%
Nominal 2.5 V
Note All Specifications for CLKIN of 3.58 MHz
DV
DV
Typically 10 nA, V
MIN
5%, AGND = DGND = 0 V, On-Chip Reference,
DD
to T
DD
DD
= DV
= 5 V
= 5 V
MAX
= –40 C to +85 C.)
DD
DD
5%
5%
= 5 V
of 200 mV rms @ 100 Hz
IN
= 0 V to DV
250 mV
DD
REV. 0