Maxim 71M6543H智能電錶解決方案

Maxim公司的71M6543F/71M6543H是第四代多相電錶係統級芯片(SoC),具有5MHz的8051兼容的MPU內核,帶數字溫度補償的低功耗實時時鍾(RTC),閃存和LCD驅動器,2000:1電流範圍內精度為0.1%,性能超過IEC 62053/ANSI C12.20標準,集成了22位Delta-Sigma ADC,具有七個傳感器輸入,數字溫度補償,精密的基準電源,以及32位計算引擎(CE),多達4個脈沖輸出, 46-64Hz火線頻率校準,外接元件很少.本文介紹了71M6543F/71M6543H主要特性, 功能方框圖, 智能電錶方框圖以及兩種係統方框圖和推薦的外接元器件.

The 71M6543F/71M6543H are Teridian’s 4th-generation polyphase metering systems-on-chips (SoCs) with a 5MHz 8051-compatible MPU core, low-power real-time clock (RTC) with digital temperature compensation, flash memory, and LCD driver. Our Single Converter Technology® with a 22-bit delta-sigma ADC, seven analog inputs, digital metrology temperature compensation, precision voltage reference, and a 32-bit computation engine (CE) supports a wide range of metering applications with very few external components.
..

查看全文