ADE7933 datasheet(8/120 Pages) AD

8 / 120 page

ADE7978/ADE7933/ADE7932

Data Sheet

Rev. 0 | Page 8 of 120

Parameter1, 2

Min

Typ

Max

Unit

Test Conditions/Comments

Voltage Channels

Signal-to-Noise Ratio, SNR

Signal-to-Noise-and-Distortion

(SINAD) Ratio

Total Harmonic Distortion, THD

−81

Spurious-Free Dynamic Range, SFDR

dBFS

Bandwidth (−3 dB)

3.3

kHz

TIME INTERVAL BETWEEN PHASE SIGNALS

Measurement Error

0.3

Degrees

Line frequency = 45 Hz to 65 Hz, HPF on

CF1, CF2, CF3 PULSE OUTPUTS

Maximum Output Frequency

68.8

kHz

WTHR = VARTHR = VATHR = 3, CFxDEN = 1,

full scale current and voltage, PF = 1, one

phase only

Duty Cycle

CF1, CF2, or CF3 frequency > 6.25 Hz,

CFxDEN is even and > 1

(1 + 1/CFxDEN) × 50

CF1, CF2, or CF3 frequency > 6.25 Hz,

CFxDEN is odd and > 1

Active Low Pulse Width

CF1, CF2, or CF3 frequency < 6.25 Hz

Jitter

0.04

CF1, CF2, or CF3 frequency = 1 Hz, nominal

phase currents larger than 10% of full scale

See the Typical Performance Characteristics section.

See the Terminology section for definitions of the parameters.

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