EVAL-ADE7752EB datasheet(2/10 Pages) AD

2 / 10 page

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

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

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

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

±4

% Ideal typ

External 2.5 V Reference,

V1 = 125 mV dc, V2 = 125 mV dc

Gain Error Match

±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

Ω min

Input Capacitance

pF max

ON-CHIP REFERENCE

Nominal 2.5 V

Reference Error

±200

mV max

Temperature Coefficient

ppm/°C typ

CLKIN

Note All Specifications for CLKIN of 10 MHz

Input Clock Frequency

MHz max

MHz min

LOGIC INPUTS

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

pF max

LOGIC OUTPUTS

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

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

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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