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首页KX224-1053三轴±8g/±16g/±32g数字加速度计详细规格
KX224-1053三轴±8g/±16g/±32g数字加速度计详细规格
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更新于2024-07-18
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KX224-1053是一款高性能的三轴数字加速度计,其特点是具有±8g、±16g或±32g的测量范围,适用于对精确度有高要求的运动检测和姿态识别应用。该加速度计采用了先进的硅微机械工艺技术,其核心传感元件基于差分电容原理设计,这使得它能够有效地减少由过程变化、温度波动和环境应力引起的误差。 加速度传感器的核心部分是集成的2048字节缓冲区,可以存储大量数据,方便用户在需要时进行数据分析。此外,它还具备智能的算法功能,包括方向性触控(Directional-Tap TM)和双触控(Double-Tap TM)检测,以及自由落体和活动状态监测,这些功能使得设备能够在多种环境下准确判断用户的动作和设备的动态状态。 Kionix采用自家的等离子微机械加工工艺来制造感测元件,这种技术保证了元件的精细和稳定性。为了进一步提升抗干扰能力,传感器利用共模抑制技术,确保在各种条件下的测量精度。加速度计的封装形式为3x3x0.9毫米的LGA塑料封装,支持1.71V至3.6V的直流供电,并通过内置电压调节器保持内部工作电压稳定,从而确保在不同输入电压范围内都能提供一致的性能。 与芯片的通信采用I2C或SPI两种数字接口协议,用户可以通过这些接口配置和监控传感器的各种算法设置,如方向感、触控事件和活动状态。这款产品不仅适合于消费电子、工业设备和物联网应用,对于需要精确加速度测量的高端领域如自动驾驶、无人机和游戏控制器也极具吸引力。 KX224-1053是一款集成了多种智能算法的高精度加速度传感器,提供了卓越的性能和易用性,是现代电子设备中不可或缺的传感器组件。
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± 8g / 16g / 32g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX224-1053
Rev. 2.0
22-Dec-2017
36 Thornwood Dr. – Ithaca, NY 14850 © 2017 Kionix – All Rights Reserved
tel: 607-257-1080 – fax: 607-257-1146 756-10411-1712221306-0.37
www.kionix.com - info@kionix.com Page 14 of 82
Package Dimensions and Orientation
Dimensions
3 x 3 x 0.9 mm LGA
All dimensions and tolerances conform to ASME Y14.5M-1994
± 8g / 16g / 32g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX224-1053
Rev. 2.0
22-Dec-2017
36 Thornwood Dr. – Ithaca, NY 14850 © 2017 Kionix – All Rights Reserved
tel: 607-257-1080 – fax: 607-257-1146 756-10411-1712221306-0.37
www.kionix.com - info@kionix.com Page 15 of 82
Orientation
When device is accelerated in +X, +Y or +Z direction, the corresponding output will increase.
Static X/Y/Z Output Response versus Orientation to Earth’s surface (1g):
GSEL1=0, GSEL0=0 (±8g)
Position
1
2
3
4
5
6
Diagram
Top
Bottom
Bottom
Top
Resolution
(bits)
16
8
16
8
16
8
16
8
16
8
16
8
X (counts)
0
0
-4096
-16
0
0
+4096
+16
0
0
0
0
Y (counts)
-4096
-16
0
0
+4096
+16
0
0
0
0
0
0
Z (counts)
0
0
0
0
0
0
0
0
+4096
+16
-4096
-16
X-Polarity
0
-
0
+
0
0
Y-Polarity
-
0
+
0
0
0
Z-Polarity
0
0
0
0
+
-
(1g)
Earth’s Surface
± 8g / 16g / 32g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX224-1053
Rev. 2.0
22-Dec-2017
36 Thornwood Dr. – Ithaca, NY 14850 © 2017 Kionix – All Rights Reserved
tel: 607-257-1080 – fax: 607-257-1146 756-10411-1712221306-0.37
www.kionix.com - info@kionix.com Page 16 of 82
Static X/Y/Z Output Response versus Orientation to Earth’s surface (1g):
GSEL1=0, GSEL0=1 (±16g)
Position
1
2
3
4
5
6
Diagram
Top
Bottom
Bottom
Top
Resolution
(bits)
16
8
16
8
16
8
16
8
16
8
16
8
X (counts)
0
0
-2048
-8
0
0
+2048
+8
0
0
0
0
Y (counts)
-2048
-8
0
0
+2048
+8
0
0
0
0
0
0
Z (counts)
0
0
0
0
0
0
0
0
+2048
+8
-2048
-8
X-Polarity
0
-
0
+
0
0
Y-Polarity
-
0
+
0
0
0
Z-Polarity
0
0
0
0
+
-
(1g)
Earth’s Surface
Static X/Y/Z Output Response versus Orientation to Earth’s surface (1g):
GSEL1=1, GSEL0=0 (±32g)
Position
1
2
3
4
5
6
Diagram
Top
Bottom
Bottom
Top
Resolution
(bits)
16
8
16
8
16
8
16
8
16
8
16
8
X (counts)
0
0
-1024
-4
0
0
+1024
+4
0
0
0
0
Y (counts)
-1024
-4
0
0
+1024
+4
0
0
0
0
0
0
Z (counts)
0
0
0
0
0
0
0
0
+1024
+4
-1024
-4
X-Polarity
0
-
0
+
0
0
Y-Polarity
-
0
+
0
0
0
Z-Polarity
0
0
0
0
+
-
(1g)
Earth’s Surface
± 8g / 16g / 32g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX224-1053
Rev. 2.0
22-Dec-2017
36 Thornwood Dr. – Ithaca, NY 14850 © 2017 Kionix – All Rights Reserved
tel: 607-257-1080 – fax: 607-257-1146 756-10411-1712221306-0.37
www.kionix.com - info@kionix.com Page 17 of 82
Digital Interface
The Kionix KX224 digital accelerometer can communicate via the I
2
C and SPI digital serial interface protocols.
This allows for easy system integration by eliminating analog-to-digital converter requirements and by providing
direct communication with system micro-controllers.
The serial interface terms and descriptions as indicated in Table 5 below will be observed throughout this
document.
Term
Description
Transmitter
The device that transmits data to the bus.
Receiver
The device that receives data from the bus.
Master
The device that initiates a transfer, generates clock signals, and terminates a transfer.
Slave
The device addressed by the Master.
Table 5: Serial Interface Terminologies
I
2
C Serial Interface
As previously mentioned, the KX224 accelerometer can communicate on an I
2
C bus. I
2
C is primarily used for
synchronous serial communication between a Master device and one or more Slave devices. The Master,
typically a micro controller, provides the serial clock signal and addresses Slave devices on the bus. The KX224
always operates as a Slave device during standard Master-Slave I
2
C operation.
I
2
C is a two-wire serial interface that contains a Serial Clock (SCL) line and a Serial Data (SDA) line. SCL is a
serial clock that is provided by the Master, but can be held LOW by any Slave device, putting the Master into a
wait condition. SDA is a bi-directional line used to transmit and receive data to and from the interface. Data is
transmitted MSB (Most Significant Bit) first in 8-bit per byte format, and the number of bytes transmitted per
transfer is unlimited. The I
2
C bus is considered free when both lines are HIGH.
The I
2
C interface is compliant with high-speed mode, fast mode, and standard mode I
2
C protocols.
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