71M6521BE
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 pensation, precision voltage reference, battery voltage monitor, and 32bit putation engine (CE) supports a wide range of residential metering applications with very few low-cost external ponents.
Key Features
- < 0.4% Wh accuracy over 2000:1 current range and over temperature
- Exceeds IEC62053 / ANSI C12.20 standards
- Voltage reference < 40ppm/°C
- Four sensor inputs-VDD referenced
- Low jitter Wh test output (10kHz maximum)
- Pulse count for Wh pulse output
- Tamper detection: Neutral current with CT or shunt
- Line frequency count for time keeping
- Digital temperature pensation
- Sag detection for phase A and B
