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MMA8451QT
+BOMACCELEROMETER 2-8G I2C 16QFN
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Nhà sản xuấtNXP Hoa Kỳ Inc.
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Ông. Phần #MMA8451QT
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Bảng dữ liệu MMA8451QT DataSheet
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Gói SOT1676-1
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Có sẵn5084
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Bulk,Tube |
| Part Status | Obsolete |
| Type | Digital |
| Axis | X, Y, Z |
| Acceleration Range | ±2g, 4g, 8g |
| Sensitivity(LSB / g) | 4096 (±2g) ~ 1024 (±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 |
Tổng quan
Description
With a 14-bit resolution, the MMA8451QT provides accurate motion sensing and is capable of detecting freefall, orientation, shake, and tap. It also includes an embedded FIFO buffer, which helps reduce the need for constant data processing by the host processor, thus saving power. The accelerometer is equipped with various embedded features such as motion detection, transient detection, and pulse detection, making it suitable for a wide range of applications. Its compact form factor and low power consumption make it an ideal choice for battery-operated devices.
Equivalent
1. ADXL345 by Analog Devices
2. LIS3DH by STMicroelectronics
3. BMA253 by Bosch Sensortec
4. KXTJ3-1057 by Kionix
5. MC3479 by MEMSIC
These chips provide similar functionalities, such as measuring acceleration and offering digital output interfaces for integration with microcontrollers.
Features
1. Resolution and Range: It offers a 14-bit resolution and supports multiple g-ranges (±2g, ±4g, ±8g), allowing for precise motion detection and measurement.
2. Embedded Functions: It includes embedded motion detection functions such as tap detection, orientation detection, and freefall detection, which are programmable for customized applications.
3. Power Efficiency: The sensor is designed for low power consumption, making it suitable for battery-operated devices.
4. Data Output: It provides output data over an I2C digital interface, facilitating easy integration with microcontrollers and other digital systems.
5. Dynamic Range and Sensitivity: The device is capable of detecting both static and dynamic acceleration, providing flexibility for various applications.
6. Interrupt Signals: It features two configurable interrupt pins for signaling when specific events occur, enhancing its usability in complex systems.
7. Compact Size: Encased in a small, 3x3x1mm QFN package, it is ideal for space-constrained applications.
These features make the MMA8451QT suitable for applications in smartphones, gaming devices, and other consumer electronics requiring motion sensing.
Pinout
1. VDD: Supply voltage input.
2. VDDIO: I/O supply voltage input.
3. GND: Ground.
4. SCL: I²C serial clock line.
5. SDA: I²C serial data line.
6. INT1: Interrupt 1 output, indicating data ready or other events.
7. INT2: Interrupt 2 output, similar functions to INT1.
8. NC: No connect, not used.
9. GND: Ground (additional for stability).
10. NC: No connect.
11. NC: No connect.
12. NC: No connect.
13. NC: No connect.
14. NC: No connect.
15. NC: No connect.
16. NC: No connect.
The device operates at a supply voltage between 1.95 to 3.6 volts and interfaces through an I²C communication protocol. It offers features like high precision, selectable full-scale range, and flexible interrupt modes, making it suitable for a wide range of consumer and industrial applications.