没有合适的资源？快使用搜索试试~ 我知道了~

首页"LIS2DS121加速度传感器: 低功耗、高性能的三轴微型加速计信息"

"LIS2DS121加速度传感器: 低功耗、高性能的三轴微型加速计信息"

ios

需积分: 0 0 下载量 184 浏览量更新于2024-03-13 收藏 1.24MB PDF 举报

身份认证购VIP最低享 7 折!

30元优惠券

试读

69页

The LIS2DS12 is a high-performance 3-axis accelerometer that is designed for ultra-low-power applications. It features a supply voltage range of 1.62 V to 1.98 V, with independent IOs supply at 1.8 V. The accelerometer comes in various full scales of 2g, 4g, 8g, and 16g, providing versatility for different applications. One of the key features of the LIS2DS12 is its high-speed I2C/SPI digital output interface, which allows for quick and efficient data transfer. The accelerometer also boasts low noise levels and a 16-bit data output for precise and accurate measurements. Additionally, it includes an embedded temperature sensor for monitoring environmental conditions. The LIS2DS12 is designed for self-test capabilities, allowing for easy calibration and verification of sensor accuracy. It also includes a 256-level FIFO buffer for storing data and reducing the workload on the microcontroller. Overall, the LIS2DS12 is a reliable and efficient motion sensor that is ideal for applications requiring high-performance and low power consumption. Its compact size and versatile full scale options make it a suitable choice for a wide range of industries and applications.

资源详情

资源推荐

Mechanical and electrical specifications LIS2DS12

12/69 DocID027753 Rev 7

2 Mechanical and electrical specifications

2.1 Mechanical characteristics

Table 3. Mechanical characteristics @ Vdd = 1.8 V, T = 25 °C unless otherwise noted

(1)

Symbol Parameter Test conditions Min. Typ.

(2)

Max. Unit

FS Measurement range

±2

±4

±8

±16

So Sensitivity 16-bit

(3)

@ FS ±2 g 0.061

mg/digit

@ FS ±4 g 0.122

@ FS ±8 g 0.244

@ FS ±16 g 0.488

Noise density - high-performance mode

(HR or HF mode)

(4)

@ FS ±2 g 120

μg/√Hz

@ FS ±4 g 150

@ FS ±8 g 200

@ FS ±16 g 300

RMS RMS noise - low-power mode

(5)

@ FS ±2 g 6.3

mg(RMS)

@ FS ±4 g 8.2

@ FS ±8 g 11

@ FS ±16 g 17

Off, board Zero-g offset on soldered board

(6)

±30 mg

TCO Zero-g offset change vs. temperature ±0.2 mg/°C

TCS Sensitivity change vs. temperature 0.01 %/°C

ST Self-test positive difference

(7)

70 1500 mg

1. The product is factory calibrated at 1.8 V. The operational power supply range is from 1.62 V to 1.98 V.

2. Typical specifications are not guaranteed.

3. Sensitivity calculated at 16-bit.

4. Noise density is the same for all ODR.

5. RMS noise is the same for all ODR.

6. Offset can be eliminated by enabling the slope filter.

“Self-test positive difference” is defined as: OUTPUT[mg]

(CTRL3 ST2, ST1 bits=01)

- OUTPUT[mg]

(

CTRL3 ST2, ST1 bits=00

)

in steady

state.

DocID027753 Rev 7 13/69

LIS2DS12 Mechanical and electrical specifications

2.2 Electrical characteristics

2.3 Temperature sensor characteristics

@ Vdd =1.8 V, T=25 °C unless otherwise noted

Table 4. Electrical characteristics @ Vdd = 1.8 V, T = 25 °C unless otherwise noted

(1)

Symbol Parameter Test conditions Min. Typ.

(2)

Max. Unit

Vdd Supply voltage 1.62 1.8 1.98 V

Vdd_IO I/O pins supply voltage

(3)

1.62 Vdd+0.1 V

IddHR

Current consumption in

high-resolution mode

@ ODR range

12.5 Hz - 6400

Hz, 12-14 bit

150 μA

IddLP

Current consumption

in low-power mode

ODR 100 Hz 12.5

μA

ODR 50 Hz 8

ODR 12.5 Hz 4

ODR 1 Hz 2.5

Idd_PD

Current consumption

in power-down

0.7 μA

Digital high-level input voltage 0.8*Vdd_IO V

Digital low-level input voltage 0.2*Vdd_IO V

Digital high-level output voltage I

= 4 mA

(4)

VDD_IO - 0.2 V

Digital low-level output voltage I

= 4 mA

(4)

0.2 V

1. The product is factory calibrated at 1.8 V. The operational power supply range is from 1.62 V to 1.98 V.

2. Typical specifications are not guaranteed.

3. It is possible to remove Vdd maintaining Vdd_IO without blocking the communication busses. In this condition the

measurement chain is powered off.

4. 4 mA is the maximum driving capability, ie. the maximum DC current that can be sourced/sunk by the digital pad in order to

guarantee the correct digital output voltage levels V

and V

Table 5. Temperature sensor characteristics

Symbol Parameter Min. Typ.

(1)

Max. Unit

Top Operating temperature range -40 +85 °C

Toff Temperature offset

(2)

-15 +15 °C

TSDr

Temperature sensor output change

vs. temperature

1 LSB/°C

(3)

TODR Temperature refresh rate 12.5 Hz

1. Typical specifications are not guaranteed.

2. The output of the temperature sensor is 0 LSB (typ.) at 25 °C.

3. 8-bit resolution.

Mechanical and electrical specifications LIS2DS12

14/69 DocID027753 Rev 7

2.4 Communication interface characteristics

2.4.1 SPI - serial peripheral interface

Subject to general operating conditions for Vdd and Top.

Figure 3. SPI slave timing diagram

Note: Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both input and output

ports.

Table 6. SPI slave timing values

Symbol Parameter

Value

(1)

Unit

Min Max

c(SPC)

SPI clock cycle 100 ns

c(SPC)

SPI clock frequency 10 MHz

su(CS)

CS setup time 6

h(CS)

CS hold time 8

su(SI)

SDI input setup time 5

h(SI)

SDI input hold time 15

v(SO)

SDO valid output time 50

h(SO)

SDO output hold time 9

dis(SO)

SDO output disable time 50

1. 10 MHz clock frequency for SPI with both 4 and 3 wires, based on characterization results, not tested in production.

剩余68页未读，继续阅读

粉丝: 29
资源: 343

上传资源快速赚钱

我的内容管理展开

我的资源快来上传第一个资源

我的收益

登录查看自己的收益

我的积分登录查看自己的积分

我的C币登录后查看C币余额

我的收藏

我的下载

下载帮助

"LIS2DS121加速度传感器: 低功耗、高性能的三轴微型加速计信息"

加速度传感器

LSM6DS3_33MCU.zip_51单片机 LSM6DS3_LIS6 IMU_LSM6DS3_33MCU_LSM6DS3测试

ST LIS2DS12: 3-axis 加速度传感器 datasheet

LIS2DS12 DS

lis2ds12_STdC.zip

lis2ds12驱动代码

LIS2DS12驱动代码

lis3ds驱动

6轴加速度传感器+姿态角+互补滤波算法+卡尔曼滤波算法

传感技术中的ST推出全新9轴运动位置传感器模块LSM9DS1

LIS2DTW12 datasheet

lis2dw12驱动及例子

驱动LSM6DS3TR-C实现高效运动检测与数据采集(12)-加速度校准

ST 传感器驱动

lis3dh linux input driver

STMems_Linux_IIO_drivers:该存储库包含具有STMicroelectronics MEMS IIO传感器支持Linux内核（v3.10，v3.14，v3.18，v4.4，v4.9，v4.14，v4.19）

LSM6DS3TR-C加速度校准：运动检测与数据采集技术

STM32单片机传感器编程：温度、湿度、加速度的实战经验

最新资源