ADXL357BEZ Package and Pinout Reference
The ADXL357BEZ is a low noise, low drift, low power, 3-axis MEMS accelerometer. It is designed for high-performance applications such as inertial measurement units (IMUs), platform stabilization, and structural health monitoring. This article provides a comprehensive overview of its specifications, pinout, and key features.
Table of Contents
1. Overview and Core Features
The ADXL357BEZ offers a selectable measurement range of ±10 g, ±20 g, or ±40 g, and provides a digital output with 20-bit resolution. It features a hermetic package for excellent long-term stability and is equipped with a temperature sensor. The device communicates via a standard SPI or I2C digital interface.
2. Specifications and Parameter Table
| Parameter | Value |
|---|---|
| Axes | 3 (X, Y, Z) |
| Range | ±10 g, ±20 g, ±40 g |
| Noise Density | 80 µg/√Hz |
| Resolution | 20-bit |
| Interface | SPI / I2C |
| Supply Voltage | 2.25V to 3.6V |
| Operating Temperature | -40°C to +125°C |
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Check ADXL357BEZ Stock3. Architecture and Block Diagram
The ADXL357BEZ integrates a 3-axis MEMS sensor with a mixed-signal conditioning ASIC. The ASIC includes a low-noise amplifier, a 20-bit ADC, and a digital signal processor. The device provides factory-calibrated sensitivity and offset.
4. Video: Feature Breakdown
5. Equivalents, Cross-Reference, and Lifecycle
The ADXL357BEZ is an active and widely available component. For cross-reference, engineers can consider other high-performance accelerometers from the same family or competing devices with similar noise and stability specifications, though pin-to-pin compatibility is not guaranteed.
6. Frequently Asked Questions (FAQ)
What is the primary application for the ADXL357BEZ?
Its primary applications are in high-precision, motion-sensing scenarios like IMUs, tilt sensing, and structural health monitoring where low noise and long-term stability are critical.
What is the difference between the ADXL357 and the ADXL355?
The ADXL357 has a digital output, whereas the ADXL355 provides an analog output, requiring an external ADC.
Alan Carter, Senior Hardware Engineer
Alan has over 15 years of experience in embedded systems design, specializing in ARM Cortex architectures, PCB routing for high-speed digital signals, and industrial IoT deployments. He frequently contributes technical teardowns and architecture comparisons.
