MAX21001

Ultra-Accurate, Automotive, 3-Axis Digital Output Gyroscope

High Bias Stability over Temperature and Time Coupled with Highest Accuracy and Smallest Form Factor

Data Sheet (Rev. 0)
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Overview

  • Minimum Overall Footprint
    • Industry’s Smallest and Thinnest Package (3mm x 3mm x 0.9mm LGA)
    • No External Components
  • High Accuracy and Stability
    • Ultra-Stable Over Temperature and Time
    • Factory Calibrated Automatic Temperature Compensation
    • Low Bias Instability
    • Embedded Digital-Output Temperature Sensor
  • High Flexibility
    • Wide Supply Voltage Range (1.71V to 3.6V)
    • 7 Selectable Full Scales (31.25/62.5/125/250/500/1000/2000 dps)
    • Integrated Digitally Programmable Low- and Highpass Filters
    • Independently Selectable Data ODR and Interrupt ODR
    • 256 Selectable ODR
  • Flexible Embedded FIFO
    • Size: 512 bytes (256 x 16 Bits)
    • Single-Byte Reading Available
    • Four Different FIFO Modes Available
  • Flexible Interrupt Generator
    • Two Digital Output Lines
    • 2 Independent Interrupt Generators
    • 8 Maskable Interrupt Sources Each
    • Configurable as Latched/Unlatched/Timed
    • Embedded Independent Angular Rate Comparators
    • Independent Threshold and Duration
    • Level/Pulse and OD/PP Options Available
  • Flexible Data Synchronization Pin
    • External Wakeup
    • Interrupt Generation
    • Single Data Capture Trigger
    • Multiple Data Capture Trigger
    • LSB Data Mapping
  • High-Speed Interface
    • I2C Standard (100kHz), Fast (400kHz), and High-Speed (3.4MHz) Serial Interface
    • 10MHz SPI Interface
  • Low Operating Current Consumption (6.1mA typ)
  • High-Shock Survivability (10,000 G-Shock)
  • AEC-Q100 Qualification

The MAX21001 is a low-power, low-noise, automotive 3-axis angular rate sensor that delivers unprecedented accuracy and sensitivity over temperature and time. It operates with a supply voltage as low as 1.71V for minimum power consumption. It includes a sensing element and an IC interface that provides the measured angular rate to the external world through a digital interface (I2C/SPI).

The IC has a full scale of ±31.25/±62.50/±125/±250/±500/±1k/±2k degrees per second (dps) and measures rates with a finely tunable user-selectable bandwidth. The low short time bias instability, the high stability over temperature, and the operational flexibility make the IC ideal for in-dash navigation systems.

The IC is a highly integrated solution available in a compact 3mm x 3mm x 0.9mm plastic land grid array (LGA) package and does not require any external components other than supply bypass capacitors. It can operate over the -40°C to +85°C temperature range. 

Applications

  • Appliances and Robotics
  • In-Dash Car Navigation Systems
  • Motion Control with MMI (Man-Machine Interface)
MAX21001
Ultra-Accurate, Automotive, 3-Axis Digital Output Gyroscope
MAX21001: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Gyroscopes 3
MAX21002
Ultra-Accurate, Low Power, Dual-Axis Digital Output Gyroscope
MAX21003
Ultra-Accurate, Low Power, Dual-Axis Digital Output Gyroscope
MAX21000
Ultra-Accurate, Low Power, 3-Axis Digital Output Gyroscope
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Tools & Simulations

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