Key facts
- Brand
- Analog Devices
- Model
- ADE7761A
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-02
Start here
Analog Devices ADE7761A Energy Metering IC Datasheet
The ADE7761A is a high‑accuracy, fault‑tolerant energy‑metering integrated circuit designed for 2‑wire distribution systems. It provides active‑power frequency outputs (F1, F2) and a calibration output (CF), supports IEC 62053‑21 accuracy, and includes built‑in fault and missing‑neutral detection.
The document details the functional block diagram, pin configuration, electrical specifications, timing characteristics, and application notes for interfacing the device to a microcontroller. It also covers performance limits, ESD precautions, and typical performance curves.
Analog Devices ADE7761A specifications
| Supply voltage (VDD) | 5 V ± 5% |
|---|---|
| Operating temperature range | -40°C to +85°C |
| Phase error between channels (capacitive) | ±0.05° (0.8° max) |
| Maximum differential input voltage | ±660 mV peak |
| Logic output high voltage | ≥4 V |
| Power‑supply rejection (frequency variation) | 0.01 % typ |
Source: Analog Devices ADE7761A Energy Metering IC Datasheet
All Analog Devices ADE7761A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What supply voltage does the ADE7761A require?
The device operates from a single 5 V supply with a tolerance of ±5 %.
How does the ADE7761A detect a missing neutral condition?
It continuously monitors the input voltage; when no voltage is present, the FAULT pin goes high and the device continues billing using the active current signal.
What is the fault detection threshold?
A fault is indicated when the phase and neutral currents differ by more than 6.25 % of the larger current.
What is the missing‑neutral detection threshold?
Missing neutral is detected when the voltage difference between the input and neutral is less than 59.4 mV peak.
How does the ADE7761A detect a missing neutral condition?
It continuously monitors the input voltage; when no voltage is present, the FAULT pin goes high and billing continues based on the active current signal.
What supply voltage is required for the ADE7761A?
The device operates from a single 5 V supply with a tolerance of ±5 %.