Datasheet Analog Devices ADE7878 — 数据表

Data Sheet Polyphase Multifunction Energy Metering IC
with Harmonic and Fundamental Information
ADE7854/ADE7858/ADE7868/ADE7878 FEATURES
Highly accurate; supports EN 50470-1, EN 50470-3,
IEC 62053-21, IEC 62053-22, and IEC 62053-23 standards
Compatible with 3-phase, 3-or 4-wire (delta or wye), and
other 3-phase services
Supplies total (fundamental and harmonic) active, reactive
(ADE7878, ADE7868, and ADE7858 only), and apparent
energy, and fundamental active/reactive energy (ADE7878
only) on each phase and on the overall system
Less than 0.1% error in active and reactive energy over a
dynamic range of 1000 to 1 at TA = 25°C
Less than 0.2% error in active and reactive energy over a
dynamic range of 3000 to 1 at TA = 25°C
Supports current transformer and di/dt current sensors
Dedicated ADC channel for neutral current input (ADE7868 and
ADE7878 only)
Less than 0.1% error in voltage and current rms over a
dynamic range of 1000 to 1 at TA = 25°C
Supplies sampled waveform data on all three phases and on
neutral current
Selectable no load threshold levels for total and …

Polyphase Multifunction Energy Metering IC
Silicon Anomaly ADE7854/ADE7858/ADE7868/ADE7878 This anomaly list describes the known issues with the ADE7854, ADE7858, ADE7868, and ADE7878 silicon identified by the version
register (Address 0xE707) being equal to 2, to 4, and to 5.
Analog Devices, Inc., is committed, through future silicon revisions, to continuously improve silicon functionality. Analog Devices tries
to ensure that these future silicon revisions remain compatible with your present software/systems by implementing the recommended
workarounds outlined here. ADE7854/ADE7858/ADE7868/ADE7878 FUNCTIONALITY ISSUES
Silicon Revision
Identifier
Version = 2 Version = 4 Version = 5 Chip Marking
ADE7854ACPZ
ADE7858ACPZ
ADE7868ACPZ
ADE7878ACPZ
ADE7854ACPZ
ADE7858ACPZ
ADE7868ACPZ
ADE7878ACPZ
ADE7854ACPZ
ADE7858ACPZ
ADE7868ACPZ
ADE7878ACPZ Silicon Status
Released Anomaly Sheet
Rev. A No. of Reported Issues …