MAX71020A Datasheet PDF Download, Maxim Integrated





(PDF) MAX71020A Datasheet Download

Part Number MAX71020A
Description Energy Measurement AFE
Manufacture Maxim Integrated
Total Page 26 Pages
PDF Download Download MAX71020A Datasheet PDF

Features: MAX71020A EVALUATION KIT AVAILABLE Ener gy Measurement AFE General Description The MAX71020A is a single-chip analog front-end (AFE) for use in embedded ene rgy measurement applications. It contai ns the compute engine (CE) found in Max im Integrated’s fourth-generation met er system-onchip (SoC) and an improved analog-to-digital converter (ADC). It i nterfaces to a host controller of choic e over a SPI interface. The MAX71020A c omes in a 28-pin TQFN package. Applicat ions ●● Grid-Friendly Appliances an d Smart Plugs ●● Power Distribution Units ●● Building Automation Syste ms Ordering Information appears at end of data sheet. Typical Operating Circui t Benefits and Features ●● Best-in -Class Embedded Algorithms Support High ly Accurate Electricity Measurements Voltage, Current, and Frequency • Active, Reactive, and Apparent Power/E nergy • Digital Temperature Compensa tion • 40Hz–70Hz Line Frequency Ra nge and Phase Compensation (±10°) ●● Advanced AFE with Exceptional Accuracy and Temperature.

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MAX71020A
EVALUATION KIT AVAILABLE
Energy Measurement AFE
General Description
The MAX71020A is a single-chip analog front-end (AFE)
for use in embedded energy measurement applica-
tions. It contains the compute engine (CE) found in
Maxim Integrated’s fourth-generation meter system-on-
chip (SoC) 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 TQFN package.
Applications
● Grid-Friendly Appliances and Smart Plugs
● Power Distribution Units
● Building Automation Systems
Ordering Information appears at end of data sheet.
Typical Operating Circuit
Benefits and Features
● 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°)
● 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
● Highly Integrated Features Support Compact Design
Cycles and Reduced Bill of Materials
• Small, 28-Pin TQFN Package
• Digital Temperature Compensation
• Low Power Consumption
• Less Than 5mA (typ) Consumption at 3.3V
• Simple Host Interface
• SPI Slave
• Atomic Measurements Outputs
• DIO or SPI-Based Status Signals
NEUTRAL
LINE
RESISTIVE
VOLTAGE
DIVIDER
SHUNT
HOST
LOAD
POWER SUPPLY
LINE
IAP V3P3A V3P3SYS GNDA GNDD
IAN
VA
VB MAX71020A
IBP
IBN
COMPUTE ENGINE
DIO
CS
CLK
MISO
MOSI
SPI
XIN
OSCILLATOR/PLL
XOUT
9.8304MHz
19-7675; Rev 0; 6/15

                    
                    






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