ADE7757 datasheet(2/14 Pages) AD

2 / 14 page

PRELIMINARY TECHNICAL DATA

REV. PrC.

–2–

ADE7757–SPECIFICATIONS

(VDD = 5 V

5%, AGND = DGND = 0 V, On-Chip Reference, rCKLIN = 5 k

Ω 0.1% 5ppm/°C,

TMIN to TMAX = –40 C to +85 C)

Parameter

Value

Units

Test Conditions/Comments

ACCURACY

1, 2

Measurement Error

1 on Channel V1

Channel V2 with Full-Scale Signal (±165 mV),+25°C

T B D

% Reading typ Over a Dynamic Range 500 to 1

Phase Error

1 Between Channels

Line Frequency = 45 Hz to 65 Hz

V1 Phase Lead 37°

(PF = 0.8 Capacitive)

±0.1

Degrees(°) max

V1 Phase Lag 60°

(PF = 0.5 Inductive)

±0.1

Degrees(°) max

AC Power Supply Rejection

S0 = S1 = 1,

Output Frequency Variation (CF)

T B D

% Reading typ V1 = 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)

TBD

% Reading typ V1 = 100 mV rms, V2 = 100 mV rms,

VDD = 5 V ±250 mV

ANALOG INPUTS

See Analog Inputs Section

Channel V1 Maximum Signal Level

± 30

mV max

V1P and V1N to AGND

Channel V2 Maximum Signal Level

±165

mV max

V2N and V2P to AGND

Input Impedance (DC)

TBD

Ω min

rCKLIN = 5 k

Ω 0.1% 5ppm/°C

Bandwidth (–3 dB)

kHz typ

rCKLIN = 5 k

Ω 0.1% 5ppm/°C

ADC Offset Error

1, 2

±25

mV max

See Terminology and Performance Graphs

Frequency Output Error

TBD

% Ideal typ

External 2.5 V Reference,

V1 = 30 mV DC, V2 = 165 mV dc

Gain Error

±7

% Ideal typ

External 2.5 V Reference, Gain = 1

V1 = 30 mV dc, V2 = 165 mV dc

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

TBD

Ω min

Input Capacitance

pF max

ON-CHIP REFERENCE

Nominal 2.5 V

Reference Error

±200

mV max

Temperature Coefficient

ppm/°C typ

ppm/°C max

LOGIC INPUTS

SCF, S0, S1,

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

Output High Voltage, VOH

ISOURCE = 5 mA

V min

VDD = 5 V

Output Low Voltage, VOL

ISINK = 5 mA

0.5

V max

VDD = 5 V

POWER SUPPLY

For Specified Performance

VDD

4.75

V min

5 V – 5%

5.25

V max

5 V + 5%

IDD

TBD

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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