MMA8451QT

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MMA8451QT

ACCELEROMETER 2-8G I2C 16QFN

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Specifications

Package Bulk,Tube
ProductStatus Obsolete
Type Digital
Axis X, Y, Z
AccelerationRange ±2g, 4g, 8g
Sensitivity(LSB/g) 4096 (±2g) ~ 1024 (±8g)
Bandwidth 0.78Hz ~ 400Hz
OutputType I²C
Voltage-Supply 1.95V ~ 3.6V
Features Adjustable Bandwidth, Selectable Scale, Sleep Mode
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-VFQFN

Overview

Description

The MMA8451QT is a 3-axis digital accelerometer designed by NXP Semiconductors. It is part of the MMA845xQ series, known for its high precision and low power consumption, making it suitable for various applications like mobile devices, gaming, and industrial equipment. The accelerometer measures acceleration with a 14-bit resolution and offers flexible user-programmable options, including dynamic range settings of ±2g, ±4g, and ±8g.
The device communicates via an I2C digital interface, allowing easy integration with microcontrollers and other digital systems. It features embedded functions such as motion detection, freefall detection, and pulse detection, enhancing its utility in motion-based applications. The MMA8451QT also includes a built-in FIFO buffer to manage data efficiently, reducing the need for constant polling.
Key features include a configurable interrupt system, auto-wake/sleep modes for power saving, and a small footprint suitable for compact designs. Its versatility and functionality make it an excellent choice for developers looking to implement motion sensing in their projects.

Features

The MMA8451QT is a 3-axis, digital accelerometer with a range of features designed for a variety of motion-sensing applications. It offers 14-bit resolution, providing precise accelerometer data. The device supports a ±2g/±4g/±8g selectable full-scale range, allowing flexibility based on the application needs.
Key features include:
1. Dynamic Range: Selectable ranges of ±2g, ±4g, or ±8g.
2. Resolution: 14-bit ADC resolution for accurate readings.
3. Low Power Consumption: Efficient power usage with multiple power modes, including standby.
4. Embedded Functions: Includes programmable accelerometer functions like tap detection, orientation detection, and free-fall detection.
5. I2C Interface: Simplifies connection with microcontrollers.
6. Interrupt Pins: Configurable interrupt pins for motion detection, enhancing real-time responsiveness.
7. Self-Test: Built-in self-test functionality ensures operational integrity.
8. Embedded FIFO: A 32-sample FIFO buffer helps manage data collection efficiently.
These features make the MMA8451QT suitable for applications in consumer electronics, gaming, healthcare, and industrial equipment, where precise motion detection and low power consumption are critical.

Package

The MMA8451QT is a digital accelerometer sensor package featuring a 14-pin quad flat no-lead (QFN) package type. The compact QFN package facilitates easy integration into various electronic devices, providing precise acceleration measurements for applications like motion detection and gesture recognition.

Pinout

The MMA8451QT is a 3-axis, 14-bit digital accelerometer. It comes in a 16-pin QFN (Quad Flat No-leads) package. The primary function of the MMA8451QT is to measure acceleration in three dimensions, which is useful for applications such as motion sensing, orientation detection, and free-fall detection.
Here is a concise breakdown of the pin functions:
1. VDD: Power supply pin.
2. VDDIO: I/O voltage supply pin.
3. GND: Ground pin.
4. SCL: I2C serial clock line.
5. SDA: I2C serial data line.
6. INT1/INT2: Programmable interrupt pins for various functions like data ready, motion detection, etc.
7. NC: No Connect pins (usually not connected to anything).
The device operates over an I2C interface, making it easy to integrate with microcontrollers and other digital systems. Its small size and low power consumption make it suitable for portable and battery-operated devices.

Manufacturer

The MMA8451QT is manufactured by NXP Semiconductors. NXP is a global semiconductor company headquartered in Eindhoven, Netherlands. It specializes in producing high-performance mixed-signal and standard product solutions that leverage its leading RF, analog, power management, interface, security, and digital

Application

The MMA8451QT is a 3-axis accelerometer commonly used in applications such as motion detection, gesture recognition, and orientation sensing. It is employed in consumer electronics like smartphones and tablets for screen rotation and step counting. In automotive systems, it assists with airbag deployment and stability control. Additionally, it's used in industrial applications for vibration monitoring and equipment health diagnostics. Its compact size and low power consumption make it suitable for wearable devices and IoT applications.

Equivalent

The MMA8451QT is a 3-axis accelerometer. Equivalent products include the ADXL345 from Analog Devices, the LIS3DH from STMicroelectronics, and the MPU-6050 from InvenSense. These alternatives offer similar functionalities, such as motion sensing, low power consumption, and I2C/SPI interface options. Always verify specifications to ensure the alternative meets your specific application requirements.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

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3. Wire Transfer