MAX71020 Datasheet - Maxim

MAX71020 Single-Chip Electricity Meter AFE

The MAX71020 is a single-chip, analog front-end to be used in high-performance revenue meters. It contains the compute engine found in Maxim’s fourth-generation meter SOC and an improved ADC, and interfaces to the host microcontroller of choice over a SPI interface. The MAX71020 comes in a 28-pin TS.

MAX71020 Features

* S 0.1% Accuracy Over 2000:1 Current Range S Exceeds IEC 62053/ANSI C12.20 Standards S Two Differential Current Sensor Inputs S Two Voltage Sensor Inputs S Selectable Gain of 1 or 9 for One Current Input to Support a Shunt S High-Speed Wh/VARh Pulse Outputs with Programmable Width S Up to Four

MAX71020_Maxim.pdf