ADE7760ARS datasheet(3/24 Pages) AD

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ADE7760

Rev. 0 | Page 3 of 24

SPECIFICATIONS

VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, on-chip oscillator, TMIN to TMAX = –40°C to +85°C.

Table 1.

Parameter

Value

Unit

Test Conditions/Comments

ACCURACY1

Measurement Error2

0.1

% of reading, typ

Over a dynamic range of 500 to 1

Phase Error between Channels

(PF = 0.8 Capacitive)

±0.05

Degrees, max

Phase lead 37°

(PF = 0.5 Inductive)

±0.05

Degrees, max

Phase lag 60°

AC Power Supply Rejection2

Output Frequency Variation

0.01

%, typ

V1A = V1B = V2P = ±100 mV rms

DC Power Supply Rejection2

Output Frequency Variation

0.01

%, typ

V1A = V1B = V2P = ±100 mV rms

FAULT DETECTION2, 3

See the Fault Detection section

Fault Detection Threshold

Inactive Input <> Active Input

6.25

%, typ

(V1A or V1B active)

Input Swap Threshold

Inactive Input <> Active Input

6.25

% of larger, typ

(V1A or V1B active)

Accuracy Fault Mode Operation

V1A Active, V1B = AGND

0.1

% of reading, typ

Over a dynamic range of 500 to 1

V1B Active, V1A = AGND

0.1

% of reading, typ

Over a dynamic range of 500 to 1

Fault Detection Delay

Seconds, typ

Swap Delay

Seconds, typ

ANALOG INPUTS

V1A – V1N, V1B – V1N, V2P – V2N

Maximum Signal Levels

±660

mV peak, max

Differential input

Input Impedance (DC)

400

kΩ, min

Bandwidth (–3 dB)

kHz, typ

ADC Offset Error2

mV, max

Uncalibrated error, see the Terminology section for details

Gain Error

±4

%, 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

kΩ, min

Input Capacitance

pF, max

ON-CHIP REFERENCE

Reference Error

±200

mV, max

Temperature Coefficient

ppm/°C, typ

Current Source

µA, min

ON-CHIP OSCILLATOR

Oscillator Frequency

450

kHz

Oscillator Frequency Tolerance

±12

% of reading, typ

Temperature Coefficient

ppm/°C, typ

LOGIC INPUTS4

SCF, S1, and S0

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

Typical 10 nA, VIN = 0 V to VDD

Input Capacitance, CIN

pF, max

See footnotes on next page.

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