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LIS2DH12TR
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LIS2DH12TR

LIS2DH12TR

The LIS2DH12TR is a high-performance, ultra-low-power, three-axis linear accelerometer with a digital output interface. It belongs to the motion sensor category and is manufactured by STMicroelectronics. The device's 12-VFLGA packaging makes it suitable for applications where space is at a premium.

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Description

Product parameter

Type

Parameter

Attribute

Details

Category

Motion Sensors

Manufacturer

STMicroelectronics

Sensor Type

Digital

Measurement Axes

X, Y, Z

Acceleration Range

±2g, 4g, 8g, 16g

Sensitivity (LSB/g)

1000 (±2g) to 83 (±16g)

Bandwidth Range

0.5Hz to 672Hz

Output Interface

I2C, SPI

Supply Voltage

1.71V to 3.6V

Operating Temperature Range

-40°C to 85°C

Mounting Style

Surface Mount

Package / Case

12-VFLGA

Supplier Device Package

12-LGA (2x2)

Base Product Number

LIS2DH12

 

 

Features

 

  • The LIS2DH12TR is a high-performance, ultra-low-power, three-axis linear accelerometer with a digital output interface. This versatile device is useful for many different applications, including motion-activated function and display orientation. I/C or SPI serial communication protocols can be used to interface it with various systems and setups.
  •  SPI Bus Interface:
  • The LIS2DH12TR acts as a bus slave in the SPI communication protocol. The SPI interface uses four wires: CS (Chip Select), SPC (Serial Port Clock), SDI (Serial Data Input), and SDO (Serial Data Output). The CS line is controlled by the SPI master and enables communication by going low at the start of the transmission and high at the end. SPC is the clock signal driven by the master, while SDI and SDO handle the data input and output respectively. The device completes read and write operations in 16 clock pulses or multiples of 8 for multiple byte operations.

  • Read and write protocol_LIS2DH12TR

  •  Digital Interfaces:
  • This model registers can be accessed via both I²C and SPI interfaces. The SPI interface can be configured to operate in either a 3-wire or 4-wire mode. To select the I²C interface, the CS pin must be tied high, which maps the serial interface pads accordingly. This flexibility allows the device to integrate seamlessly into various application environments.

Serial interface pin description

  •  Wide Supply Voltage Range:
  • The supply voltage range for the accelerometer is large, ranging from 1.71 V to 3.6 V.Additionally, it has an independent 1.8 V compatible I/O supply that guarantees system compatibility and flexibility in power management. As a result, the device may function dependably at different voltage levels, which is ideal for a wide range of applications.
  •  Temperature Sensor Integrated:
  • Its utility is increased by the addition of an inbuilt temperature sensor, which offers more environmental data. Applications requiring both motion and temperature data might make advantage of this functionality for temperature adjustment.
Package

 

  • The LIS2DH12TR comes in a compact 12-pin very fine land grid array (12-VFLGA) package, making it ideal for space-constrained applications.
  • Dimensions:
  •  Length: 2.15 mm

    Width: 2.15 mm

    Height: 1 mm 

Package_LIS2DH12TR

  • Mounting Type:
  • It is designed for surface-mount applications, ensuring easy integration into various circuit boards.
  • Contact Plating:
  • The package features gold-plated contacts for excellent electrical conductivity and resistance to oxidation.
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FAQ

Q: What is the LIS2DH12TR?

A: The LIS2DH12TR is a compact, 3-axis accelerometer sensor with a digital output. It is frequently utilized in a variety of motion sensing and orientation applications and is made to detect acceleration in three dimensions. It uses SPI or I/C communication interfaces to function.

Q: In what ways does the LIS2DH12TR interact with other gadgets?

A: It uses SPI and I2C as its two digital interfaces for communication. The SPI interface has four lines (CS for chip select, SPC for clock, SDI for data input, and SDO for data output) compared to the I²C interface's two (SCL for clock and SDA for data). It is possible to configure the sensor to function in either interface mode.

Q: What is the significance of the wide supply voltage range?

A: The LIS2DH12TR's broad supply voltage range of 1.71 V to 3.6 V makes it suitable for a range of applications with diverse power supply needs. This adaptability facilitates the sensor's integration into systems with different voltage levels.

Q: Why is the feature of an independent I/O supply important?

A: This variant is compatible with a wide range of supply voltages and can connect with low-voltage digital systems thanks to its independent I/O supply (1.8 V). This guarantees dependable operation in low-power applications and aids in the reduction of power consumption.

Q: What does the temperature sensor that is incorporated offer?

A: The ability to track the temperature of the sensor itself is offered by the embedded temperature sensor, which might be helpful in mitigating temperature-related changes in acceleration measurements.

Q: What kind of mounting does the LIS2DH12TR use?

A: For surface-mount applications, it is intended. The 12-pin Land Grid Array (LGA) packaging that it comes in is perfect for mounting straight onto a printed circuit board (PCB) surface.

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A: Yes, XRS maintains an extensive inventory of these circuits, ensuring ample availability to meet our customers' demands promptly. Our well-stocked inventory allows for quick order fulfillment and timely delivery, providing customers with the assurance of product availability when needed.

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