ADXRS453BEZ - ±300°/s Digital Gyroscope | Analog Devices
部品番号: ADXRS453BEZ ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $45.32 | $45.32 |
| 10 | $41.87 | $418.70 |
| 100 | $36.54 | $3,654.00 |
| 500 | $32.1 | $16,050.00 |
| 1,000 | $28.75 | $28,750.00 |
ADXRS453BEZ 概要
A gyroscope is a sensor that measures angular velocity (rate of rotation) around one or more axes. The ADXRS453 is a single-axis (yaw) gyroscope, detecting rotation around the vertical axis. It belongs to the family of MEMS (Micro-Electro-Mechanical Systems) gyroscopes, which use vibrating mechanical elements to sense Coriolis forces. In the hierarchy of motion sensors, gyroscopes are a subset of inertial sensors, which also include accelerometers and magnetometers. The ADXRS453's digital output simplifies integration with microcontrollers and DSPs, eliminating the need for external analog-to-digital converters.
Key features include ultra-high vibration rejection of 0.01°/s/g, excellent null offset stability of 16°/hr, and a wide operating voltage range. The device also offers an internal temperature sensor and a self-test function, which are critical for safety-critical applications. The SPI interface supports daisy-chaining and multiple device configurations, making it suitable for multi-axis systems. The SOIC_CAV package provides a robust, hermetically sealed enclosure that protects the MEMS element from environmental stress.
Technically, the ADXRS453 uses a differential quad-sensor architecture that cancels common-mode linear acceleration, resulting in superior vibration immunity compared to single-mass designs. The digital output is a 16-bit word representing angular rate, with a scale factor of 80 LSB/°/s. The device includes an internal voltage regulator, ensuring stable operation across the supply range. The SPI interface operates at clock frequencies up to 2 MHz, allowing high-speed data acquisition.
Typical applications include platform stabilization for cameras and antennas, inertial measurement units (IMUs) for robotics and UAVs, industrial machinery monitoring, and medical instrumentation such as surgical tools. The ADXRS453's high vibration rejection makes it ideal for mounting near engines or motors where vibration is prevalent.
When designing with the ADXRS453, ensure proper PCB layout with a solid ground plane and decoupling capacitors close to the supply pins. The SPI lines should be kept short and shielded to minimize noise. The device's self-test feature should be exercised during system startup to verify functionality.
ドロップイン代替品: ADXRS453BEZ — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
ADXRS453BEYZ
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ADXRS646BEYZ
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ADXRS649BEYZ
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ADXRS450BEYZ
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ADXRS453BEZ
✅ ドロップイン✓ 在庫あり
$28.75 / 個
データシートを見る →ADXRS453BEZ 最大定格＆電気的特性
| Angular Rate Range | ±300 °/s |
| Sensitivity | 80 LSB/°/s |
| Bandwidth | 77.5 Hz |
| 電源電圧 | 3.15 V to 5.25 V |
| 電源電流 | 6 mA |
| 出力タイプ | SPI (4-wire) |
| パッケージ | 14-CLCC (9x9 mm) |
| 実装タイプ | Surface Mount |
| Vibration Rejection | 0.01 °/s/g |
| Null Offset Stability | 16 °/hr |
| 動作温度 | -40°C to +105°C |
| Axis | Single-axis (yaw) |
| Self-Test | Yes |
| 内部温度センサ | Yes |
| RoHS ステータス | Compliant |
ADXRS453BEZ ピン構成
| ピン 1 | VDD — Power supply (3.15V to 5.25V) |
| ピン 2 | GND — Ground |
| ピン 3 | CS — Chip select (active low) |
| ピン 4 | SCLK — SPI clock |
| ピン 5 | SDI — SPI data input |
| ピン 6 | SDO — SPI data output |
| ピン 7 | DNC — Do not connect |
| ピン 8 | DNC — Do not connect |
| ピン 9 | DNC — Do not connect |
| ピン 10 | DNC — Do not connect |
| ピン 11 | DNC — Do not connect |
| ピン 12 | DNC — Do not connect |
| ピン 13 | DNC — Do not connect |
| ピン 14 | DNC — Do not connect |
主な用途
ADXRS453BEZ の用途: 6 件s: Platform Stabilization, Inertial Measurement Units (IMUs), Industrial Machinery Monitoring, Medical Instrumentation, Robotics and UAVs, Automotive Test and Measurement.
Platform Stabilization
The ADXRS453BEZ provides precise angular rate feedback for stabilizing cameras, antennas, and gimbals. Its high vibration rejection (0.01°/s/g) ensures stable images even on moving platforms. The SPI output allows direct interfacing with control processors, enabling real-time correction loops. With a bandwidth of 77.5 Hz, it captures fast movements, while the low null offset stability (16°/hr) maintains accuracy over long missions. This makes it ideal for aerial photography, surveillance, and marine applications where vibration and motion are prevalent.
おすすめ
Inertial Measurement Units (IMUs)
In IMUs, the ADXRS453BEZ serves as the gyroscope component, measuring angular velocity for navigation and orientation. Its digital SPI output simplifies data fusion with accelerometers and magnetometers. The device's low noise and high stability (16°/hr) contribute to accurate attitude estimation. The wide supply voltage (3.15V-5.25V) allows integration with various microcontrollers. Its compact CLCC package is ideal for space-constrained designs in drones, robots, and autonomous vehicles.
おすすめ
Industrial Machinery Monitoring
The ADXRS453BEZ monitors rotational motion in industrial equipment, detecting anomalies in shafts, motors, and turbines. Its ultra-high vibration rejection (0.01°/s/g) ensures accurate readings even when mounted near vibrating machinery. The SPI interface enables easy integration with PLCs and data acquisition systems. With a temperature range of -40°C to +105°C, it operates reliably in harsh factory environments. The self-test feature allows periodic health checks, reducing downtime.
おすすめ
Medical Instrumentation
In medical devices such as surgical tools and patient monitoring systems, the ADXRS453BEZ provides precise angular rate sensing. Its low noise and high stability ensure accurate measurements critical for diagnostics and procedures. The digital output simplifies isolation and data transmission. The device's small footprint and low power consumption (6 mA) make it suitable for portable and implantable devices. Compliance with medical standards is supported by its robust design and wide operating temperature range.
おすすめ
Robotics and UAVs
The ADXRS453BEZ is essential for attitude control in robots and UAVs, providing real-time angular rate data. Its high vibration rejection is crucial for multirotor drones with motor-induced vibrations. The SPI interface allows high-speed communication with flight controllers. The device's low weight and compact package are ideal for aerial platforms. With a range of ±300°/s, it covers aggressive maneuvers, while the 16°/hr stability ensures reliable hover and navigation.
おすすめ
Automotive Test and Measurement
In automotive testing, the ADXRS453BEZ measures vehicle dynamics such as yaw rate for stability control validation. Its high vibration rejection and wide temperature range make it suitable for on-vehicle testing. The SPI output allows direct logging to data acquisition systems. The device's robustness ensures reliable operation in harsh conditions. It is used in dynamic testing, rollover detection, and ADAS development.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ADXRS453BEZ — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ADXRS453BEYZ | ADXRS453BRGZ | ADXRS646BEYZ |
|---|---|---|---|---|
| Package | 14-CLCC (9x9 mm) | 14-CLCC (9x9 mm) | 16-SOIC_CAV | 14-CLCC (9x9 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Angular Rate Range | ±300 °/s | ±300 °/s | ±300 °/s | ±250 °/s |
| Sensitivity | 80 LSB/°/s | 80 LSB/°/s | 80 LSB/°/s | 80 LSB/°/s |
| Bandwidth | 77.5 Hz | 77.5 Hz | 77.5 Hz | 77.5 Hz |
| Supply Voltage | 3.15V to 5.25V | 3.15V to 5.25V | 3.15V to 5.25V | 3.15V to 5.25V |
| Supply Current | 6 mA | 6 mA | 6 mA | 6 mA |
| Vibration Rejection | 0.01 °/s/g | 0.01 °/s/g | 0.01 °/s/g | 0.01 °/s/g |
主な差別化要因
- Ultra-high vibration rejection of 0.01°/s/g （vs ADXRS646BEYZ)
- Wide supply voltage range (3.15V to 5.25V) （vs ADXRS450BEYZ)
- Excellent null offset stability of 16°/hr （vs ADXRS649BEYZ)
設計ノート
Ensure a solid ground plane beneath the ADXRS453BEZ to minimize noise and improve thermal performance. Place decoupling capacitors (0.1 µF and 10 µF) as close as possible to the VDD pin. Keep SPI traces short and shielded to prevent interference. The CLCC package has an exposed pad that should be soldered to the ground plane for optimal heat dissipation.
The ADXRS453BEZ operates from 3.15V to 5.25V, but for best performance, use a clean, low-noise supply. A ferrite bead and additional filtering can reduce high-frequency noise. The supply current is only 6 mA, so a simple LDO regulator is sufficient. Ensure the supply voltage does not exceed the absolute maximum rating to avoid damage.
Do not leave the CS pin floating; it must be actively driven to avoid unintended SPI communication. The self-test feature should be exercised during startup to verify the sensor is functioning correctly. Avoid mechanical stress on the package, as it can affect the MEMS element's performance. Also, ensure the SPI clock frequency does not exceed 2 MHz as specified in the datasheet.
コンプライアンス情報
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; for automotive, consider ADXRS453BRGZ if available.
