控制CHOP_EN信号

摘要：日前，Teridian 71M6511 ， 71M6511H ， 71M6513和71M6515H ，单和三相电能计量芯片，提供了一个稳定斩波型，模拟 - 数字转换器（ADC）的参考，有效地消除了温度和时间漂移。本应用笔记介绍适当控制的斩波信号通过微处理单元（MPU）固件。

71M651X/71M651XH
Energy Meter IC
A Maxim Integrated Products Brand
Application Note
AN_651X_018 APRIL 2005



Controlling the CHOP_EN Signal
Teridian Semiconductor’s 71M651x Energy Metering family of chips offers a chopper-stabilized ADC reference
that effectively eliminates drift over temperature and time. This application note describes proper control of the
chopping signal through the MPU firmware.

Chopping Basics
In order to eliminate offset voltages