Datasheet

ADE7752/ADE7752A
Rev. C | Page 3 of 24
SPECIFICATIONS
V
DD
= 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz, T
MIN
to T
MAX
= –40°C to +85°C, unless otherwise noted.
Table 1.
ADE7752 ADE7752A
Parameter
Min Typ Max Min Typ Max
Unit Conditions
ACCURACY
1, 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 V
DD
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,
V
DD
= 5 V ±250 mV
ANALOG INPUTS See the Analog Inputs section.
Maximum Signal Levels ±0.5 ±0.5
Vpeak
differential
V
AP
to V
N
, V
BP
to V
N
, V
CP
to V
N
, I
AP
to I
AN
,
I
BP
to I
BN
, I
CP
to I
CN
Input Impedance (DC) 370 410 370 450 kΩ CLKIN = 10 MHz
Bandwidth (–3 dB) 14 14 kHz CLKIN/256, CLKIN = 10 MHz
ADC Offset Error
1, 2
±25 ±25 mV
Gain Error ±9 ±9 % Ideal
External 2.5 V reference,
IA = IB = IC = 500 mV dc
REFERENCE INPUT
REF
IN/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 kΩ
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 INPUTS
3
ACF, S0, S1, and ABS
Input High Voltage, V
INH
2.4 2.4 V V
DD
= 5 V ±5%
Input Low Voltage, V
INL
0.8 0.8 V V
DD
= 5 V ±5%
Input Current, I
IN
±3 ±3 A Typically 10 nA, V
IN
= 0 V to V
DD
Input Capacitance, C
IN
10 10 pF
LOGIC OUTPUTS
3
F1 and F2
Output High Voltage, V
OH
4.5 4.5 V I
SOURCE
= 10 mA, V
DD
= 5 V
Output Low Voltage, V
OL
0.5 0.5 V I
SINK
= 10 mA, V
DD
= 5 V
CF and REVP
Output High Voltage, V
OH
4 4 V V
DD
= 5 V, I
SOURCE
= 5 mA
Output Low Voltage, V
OL
0.5 0.5 V V
DD
= 5 V, I
SINK
= 5 mA
POWER SUPPLY For specified performance
V
DD
4.75 5.25 4.75 5.25 V 5 V ±5%
I
DD
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.