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MMA8452QR1
+StücklisteMMA8452, 3-AXIS, 12-BIT/8-BIT D
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HerstellerHalbleiter im freien Maßstab
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Herstellerteil #MMA8452QR1
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Datenblatt MMA8452QR1 DataSheet
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Paket SOT1676-1
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Auf Lager2046
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Bulk |
| Part Status | Active |
| Type | Digital |
| Axis | X, Y, Z |
| Acceleration Range | ±2g, 4g, 8g |
| Sensitivity(LSB / g) | 1024 (±2g) ~ 256 (±8g) |
| Bandwidth | 0.78Hz ~ 400Hz |
| Output Type | I²C |
| Voltage - Supply | 1.95V ~ 3.6V |
| Features | Adjustable Bandwidth, Selectable Scale, Sleep Mode |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
The device provides both 8-bit and 12-bit output data through an I2C digital interface. It features multiple embedded functions to facilitate motion detection, including free-fall, orientation detection, and pulse detection, enabling the device to generate interrupts. The MMA8452QR1 is known for its high precision and low noise performance, making it suitable for detecting subtle movements.
Additional features include sleep and wake modes to conserve power and a small footprint for integration into compact devices. Its high resolution and configurability make it adaptable for various application requirements, aiding in the development of responsive and efficient motion-sensitive systems.
Equivalent
1. ADXL345 by Analog Devices: A similar 3-axis accelerometer with digital output.
2. BMA253 by Bosch Sensortec: Another 3-axis accelerometer suitable for low-power applications.
3. LIS3DH by STMicroelectronics: A low-power, high-performance 3-axis accelerometer.
4. KXTJ3-1057 by Kionix: A digital output 3-axis accelerometer.
These alternatives have comparable features and are used in various motion-sensing applications.
Features
1. Digital Interface: It has an I²C interface for easy integration with microcontrollers.
2. Configurable Range: Selectable full-scale ranges of ±2g, ±4g, and ±8g, allowing flexibility in various applications.
3. High Resolution: Provides up to 12-bit resolution for precise motion detection.
4. Low Power Consumption: Features low power modes to conserve energy, making it ideal for battery-powered devices.
5. Embedded Functions: Includes embedded functions for orientation (tilt), tap detection, motion detection, and freefall detection.
6. Programmable Interrupts: Two programmable interrupt pins for event notification, enhancing real-time responsiveness.
7. Flexible Data Rates: Supports multiple data rates ranging from 1.56 Hz to 800 Hz, adaptable to application needs.
8. FIFO Buffer: Includes a 32-sample FIFO buffer to reduce processor load and power consumption.
9. Sleep Mode: Offers a sleep mode to further minimize power usage.
These features make the MMA8452QR1 suitable for a wide range of applications, including smartphones, tablets, wearables, and gaming devices.
Pinout
1. VDD: Power supply pin.
2. VSS: Ground pin.
3. SCL: I2C Serial Clock Line.
4. SDA: I2C Serial Data Line.
5. INT1: Interrupt 1 output, can be configured for various interrupt sources.
6. INT2: Interrupt 2 output, similar to INT1 for flexible interrupt configuration.
7. NC: No Connect, not internally connected (several of these in the package).
8. REGOUT: Regulator Output, provides a regulated internal voltage.
9. GND: Additional ground connection for better signal integrity.
10. RST: Reset pin, used to reset the device.
The remaining pins are generally reserved or used for additional ground connections to improve electrical performance and reduce noise. The MMA8452QR1 provides a range of functions, including tap detection, orientation detection, and freefall detection, all accessible via its I2C interface.