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ADXRS646:  High Stability, Low Noise Vibration Rejecting Yaw Rate Gyro

Product Details


The ADXRS64x family of low noise, vibration rejecting yaw rate gyroscopes are drop-in performance upgrades to existing designs using the ADXRS62x family.

The ADXRS646 is pin- and package-compatible to the ADXRS62x family and offers a measurement range of ±250°/s, 1 kHz bandwidth, 12°/hr drift with low broadband noise, low g sensitivity of 0.015°/s/g and vibration rectification of 0.0001°/s/g², is ideally suited for high performance navigation and platform stabilization.

The ADXRS646 is a complete angular rate sensor (gyroscope) that uses the Analog Devices, Inc. patented high volume BiMOS surface-micromachining process to make a complete gyro on one chip. An advanced, differential, quad sensor design rejects the influence of linear acceleration and vibration, enabling the ADXRS646 to offer rate sensing in harsh environments where shock and vibration are present.

The output signal, RATEOUT (1B, 2A), is a voltage proportional to angular rate about the axis normal to the top surface of the package. The measurement range is a minimum of ±250°/s. The output is ratiometric with respect to a provided reference supply. Other external capacitors are required for operation.

A temperature output is provided for compensation techniques. Two digital self-test inputs electromechanically excite the sensor to test proper operation of both the sensor and the signal conditioning circuits. The ADXRS646 is available in a 7 mm × 7 mm × 3 mm BGA chip-scale package.

APPLICATIONS

  • Industrial applications
  • Severe Mechanical Environments
  • Platform stabilization

FEATURES and BENEFITS

  • Complete rate gyroscope on a single chip
  • Z-axis (yaw rate) response
  • 12°/hour bias stability
  • 0.01°/√second angle random walk
  • High vibration rejection over wide frequency
  • Measurement range extendable to a maximum of ±450°/s
  • 10,000 g powered shock survivability
  • Ratiometric to referenced supply
  • 6 V single-supply operation
  • See data sheet for additional features

ADXRS646-EP Supports defense and aerospace applications (AQEC standard)

  • Download ADXRS646-EP Data Sheet
  • Temperature range:
    −55°C to +105°C
  • Controlled manufacturing baseline
  • One assembly/test site
  • One fabrication site
  • Enhanced product change notification
  • Qualification data available on request

Functional Block Diagram for ADXRS646

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

ADXRS646 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADXRS646BBGZ Status: Production 32 ball Ceramic BGA (6.85x6.85x3.8mm) 32 Ind Tray, 20 $72.12 $61.82 E  Material Info PCN Purchase
ADXRS646BBGZ-RL Status: Production 32 ball Ceramic BGA (6.85x6.85x3.8mm) 32 Ind Reel, 500 $72.12 $61.82 E  Material Info PCN Purchase
ADXRS646TBGZ-EP Status: Production 32 ball Ceramic BGA (6.85x6.85x3.8mm) 32 Ind Tray, 20 $109.94 $94.23 E  Material Info PCN Purchase Sample
ADXRS646TBGZ-EP-RL Status: Production 32 ball Ceramic BGA (6.85x6.85x3.8mm) 32 Ind Reel, 500 $109.94 $94.23 E  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

ADXRS646 Breakout Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-ADXRS646Z Status: Production Evaluation Board $110.00 Yes -

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