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71M6521BE Energy Meter IC
DATA SHEET
JANUARY 2008
GENERAL DESCRIPTION
The TERIDIAN 71M6521BE is a highly integrated SOC with an MPU core, FLASH and LCD driver.
TERIDIAN’s patented Single Converter Technology™ with a 22-bit delta-sigma ADC, four analog inputs, digital temperature compensation, precision
voltage reference, battery
voltage monitor, and 32bit computation engine (CE) supports a wide range of residential metering applications with very few low-cost external components.
A 32kHz crystal time-base for the entire system further reduces system cost.
The IC supports 2-wire single-phase residential metering along with tamperdetection mechanisms.
Maximum design flexi...