ADXRS290BCEZ

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Analog Devices Inc. ADXRS290BCEZ

Part No.:
ADXRS290BCEZ
Manufacturer:
Analog Devices Inc.
Package:
Datasheet:
ADXRS290BCEZ.pdf
Description:
IC GYROSCOPE YAW RATE 18LGA
In Stock:
2066
Quantity:
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  • Purchase and inquiryPurchase and inquiry

    ADXRS290BCEZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ADXRS290BCEZ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ADXRS290BCEZ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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    ADXRS290BCEZ Typical application Circuitry

    ADXRS290BCEZ

    The ADXRS290BCEZ is a high-performance, dual-axis MEMS gyroscope from Analog Devices, specifically designed for angular rate (rotation) sensing in harsh environments. Part of the ADXRS series, this gyroscope is known for its exceptional vibration immunity and stability, making it ideal for applications such as platform stabilization, robotics, vehicle dynamics, and instrumentation where precision and reliability are critical.

    1. Power Supply Connections (VDD, GND): The ADXRS290BCEZ requires a stable power supply connected to the VDD pin, typically at 3.3V, and a solid connection to the system ground through the GND pins. It's crucial to ensure a clean and stable power supply to maintain the gyroscope's optimal performance. The use of decoupling capacitors near the VDD and GND pins is recommended to minimize power supply noise.

    2. Rate Output (RATEOUT1, RATEOUT2): The device features two rate output pins, RATEOUT1 and RATEOUT2, corresponding to the two axes of rotation that the gyroscope measures. These analog voltage outputs vary linearly with the angular rate and can be connected directly to an analog-to-digital converter (ADC) for digital processing. The sensitivity and zero-rate level are specified in the datasheet, and these outputs should be appropriately scaled and filtered to obtain accurate angular rate measurements.

    3. Temperature Output (TEMP): The ADXRS290BCEZ includes a temperature output pin (TEMP) that provides an analog voltage proportional to the internal temperature. This output can be used for temperature compensation of the rate measurements or for monitoring the device's thermal conditions.

    4. Self-Test Input (ST1, ST2): The self-test pins (ST1 and ST2) are used to activate the internal self-test function, which verifies the mechanical and electrical integrity of the sensor. Applying a specified logic level to these pins induces a known deflection in the sensing structures, resulting in a predictable output change. This feature is useful for system diagnostics and integrity checks.

    5. Filter Capacitor Pins (CAP1, CAP2): The ADXRS290BCEZ includes pins for connecting external capacitors (CAP1 and CAP2) that set the bandwidth of the internal low-pass filters. The value of these capacitors determines the cutoff frequency, which should be selected based on the application's requirements for noise reduction and signal bandwidth.

    6. Digital Interface (SPI): Although primarily an analog device, the ADXRS290BCEZ features a serial peripheral interface (SPI) for digital communication, including pins for serial clock (SCLK), master output slave input (MOSI), master input slave output (MISO), and chip select (CS). This interface allows for digital configuration of the device and reading of digitally-processed rate and temperature data.

    7. PCB Layout Considerations: The PCB layout is crucial for maintaining the gyroscope's performance, especially in terms of noise immunity and signal integrity. The analog and digital grounds should be carefully managed, and the rate output and temperature output traces should be shielded from noisy signals. The placement of decoupling and filter capacitors should be close to the respective pins to ensure their effectiveness.

    8. Mounting and Mechanical Considerations: As a MEMS device, the ADXRS290BCEZ can be sensitive to mechanical stress and board flexure. It should be mounted on a rigid part of the PCB, and care should be taken to avoid excessive torque on the package during assembly.

    Integrating the ADXRS290BCEZ into a system requires careful attention to power supply, signal conditioning, self-test functionality, and the SPI digital interface, along with thoughtful PCB layout and mechanical mounting strategies. By adhering to these guidelines, the ADXRS290BCEZ can be effectively employed in a variety of applications that demand high-precision angular rate sensing.

    ADXRS290BCEZ informationADXRS290BCEZ information

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    6. What is the process for return or replacement of ADXRS290BCEZ?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ADXRS290BCEZ we delivered, we will accept the replacement or return of the ADXRS290BCEZ only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of ADXRS290BCEZ.

    (3)The PartNo is unused and only in the original unpacked packaging.

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    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

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