ADE7953 datasheet(4/68 Pages) AD

4 / 68 page

ADE7953

Data Sheet

Rev. A | Page 4 of 68

SPECIFICATIONS

VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 3.58 MHz, TMIN to TMAX = −40°C to +85°C, Register Address 0x120

set to 0x30, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

PHASE ERROR BETWEEN CHANNELS

Line frequency = 45 Hz to 65 Hz, HPF on

Power Factor = 0.8 Capacitive

±0.05

Degrees

Phase lead 37°

Power Factor = 0.5 Inductive

±0.05

Degrees

Phase lag 60°

ACTIVE ENERGY MEASUREMENT

Active Energy Measurement Error

(Current Channel A)

0.1

Over a dynamic range of 3000:1, PGA = 1,

PGA = 22, integrator off

Active Energy Measurement Error

(Current Channel B)

0.1

Over a dynamic range of 1000:1, PGA = 1,

PGA = 16, integrator off

AC Power Supply Rejection

VDD = 3.3 V ± 120 mV rms, 100 Hz

Output Frequency Variation

0.01

DC Power Supply Rejection

VDD = 3.3 V ± 330 mV dc

Output Frequency Variation

0.01

Active Energy Measurement Bandwidth

1.23

kHz

−3 db

REACTIVE ENERGY MEASUREMENT

Reactive Energy Measurement Error

(Current Channel A)

0.1

Over a dynamic range of 3000:1, PGA = 1,

PGA = 22, integrator off

Reactive Energy Measurement Error

(Current Channel B)

0.1

Over a dynamic range of 1000:1, PGA = 1,

PGA = 16, integrator off

AC Power Supply Rejection

VDD = 3.3 V ± 120 mV rms, 100 Hz

Output Frequency Variation

0.01

DC Power Supply Rejection

VDD = 3.3 V ± 330 mV dc

Output Frequency Variation

0.01

Reactive Energy Measurement

Bandwidth

1.23

kHz

−3 db

RMS MEASUREMENT

IRMS and VRMS Measurement

Bandwidth

1.23

kHz

IRMS (Current Channel A) Measurement

Error

0.2

Over a dynamic range of 1000:1, PGA = 1,

PGA = 22, integrator off

IRMS (Current Channel B) and VRMS

Measurement Error

0.2

Over a dynamic range of 500:1, PGA = 1,

PGA = 16, integrator off

ANALOG INPUTS

Maximum Signal Levels

±500

mV peak

Differential inputs: IAP to IAN, IBP to IBN

±500

mV peak

Single-ended input: VP to VN, IBP to IBN

±250

mV peak

Single-ended input: IAP to IAN

Input Impedance (DC)

IAP Pin

MΩ

IAN Pin

MΩ

IBP, IBN, VP, VN Pins

540

kΩ

ADC Offset Error

Uncalibrated error (see the Terminology

section)

Current Channel B, Voltage Channel

±10

Current Channel A

−12

PGA = 1

−1

PGA = 16, PGA = 22

Gain Error

External 1.2 V reference

Current Channel A

±3

Current Channel B

±3

Voltage Channel

±3

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