MAX71020A - Silergy

MAX71020A Energy Measurement AFE

The MAX71020A is a single-chip analog front-end (AFE) for use in embedded energy measurement applications. It contains the compute engine (CE) found in fourth-generation Teridian meter system-onchips (SoCs) and an improved analog-to-digital converter (ADC). It interfaces to a host controller of choice over a SPI interface. The MAX71020A comes in a 28-pin TQF.

Features

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● Best-in-Class Embedded Algorithms Support Highly Accurate Electricity Measurements
• Voltage, Current, and Frequency
• Active, Reactive, and Apparent Power/Energy
• Digital Temperature Compensation
• 40Hz
  –70Hz Line Frequency Range and Phase Compensation (±10°)
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● Advanced AFE with Exceptional Accuracy and Temperature Stability
• Voltage Reference Temperature Coefficient: 40ppm/°C (max)
• On-Chip Digital Temperature Sensor
• 24-Bit 2nd Order Delta-Sigma ADCs with Differential and Single-Ended Inputs
• ±0.1% Wh Accuracy over 2000:1 Current Range
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● Highly Integrated Features Support C.