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EVAL-KXTH9-2083

EVAL-KXTH9-2083

  • 厂商:

    KIONIX(Kionix传感器)

  • 封装:

    -

  • 描述:

    BOARD EVALUATION FOR KXTH9-2083

  • 数据手册
  • 价格&库存
EVAL-KXTH9-2083 数据手册
PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Product Description The KXTH9-2083 is a Tri-axis, silicon micromachined accelerometer with a full-scale output range of +/-2.5g (24.5 m/s/s). The sense element is fabricated using Kionix’s proprietary plasma micromachining process technology. Acceleration sensing is based on the principle of a differential capacitance arising from acceleration-induced motion of the sense element, which further utilizes common mode cancellation to decrease errors from process variation, temperature, and environmental stress. The sense element is hermetically sealed at the wafer level by bonding a second silicon lid wafer to the device using a glass frit. A separate ASIC device packaged with the sense element provides signal conditioning and self-test. The accelerometer is delivered in a 3 x 3 x 0.9mm Land Grid Array (LGA) plastic package operating from a 1.8 – 3.6 V DC supply. The KXTH9 features a factory programmable low pass filter. There are 2 factory programmable modes of operation for the KXTH9: Mode 00 – The PD pin must be high for normal operation and low for power shutdown. Mode 01 – The PD pin must be low for normal operation and high for power shutdown. The KXTH9-2083 is factory programmed to be in MODE 01. 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 1 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Functional Diagram X Sensor Y Sensor Charge Amplifier LPF Z Sensor ST 3 Oscillator Vdd 1 GND 9 Logic 4 PD 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com MUX 2 8 7 Aux In 6 S0 S1Vmux © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 2 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Product Specifications Table 1. Mechanical (specifications are for operation at 2.5V and T = 25C unless stated otherwise) Min Typical Operating Temperature Range Parameters Units ºC -40 - 85 Zero-g Offset V 1.19 1.25 1.31 388 400 Zero-g Offset Variation from RT over Temp. mg/ºC Sensitivity mV/g Sensitivity Variation from RT over Temp. %/ºC 0.01 (xy) 0.04 (z) Offset Ratiometric Error (Vdd = 2.5V ± 5%) % 0.3 Sensitivity Ratiometric Error (Vdd = 2.5V ± 5%) % 0.6 (xy) 0.3 (z) Self Test Output change on Activation g Mechanical Resonance (-3dB) Non-Linearity Cross Axis Sensitivity Noise Density (on filter pins) 1 Max 0.6 1 1 0.5 412 1.5 (x) 1.4 (y) 1 (z) Hz 3500 (xy) 1800 (z) % of FS 0.1 % 2 g / √Hz 150 2 1.8 1.6 Notes: 1. Resonance as defined by the dampened mechanical sensor. 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 3 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Table 2. Electrical (specifications are for operation at 2.5V and T = 25C unless stated otherwise) Parameters Supply Voltage (Vdd) Current Consumption Input Low Voltage Input High Voltage 1 Power Up Time 2 Mux Switching Time 3 Bandwidth (-3dB) Units Min Typical Max Operating V 1.8 2.5 3.6 Operating (full power) A 150 350 550 Standby A V V ms µs Hz 5 0.2 * Vdd 0.8 * Vdd - 5*Rout*C 5 40 50 60 Notes: 1. Power up time is determined by 5 times the RC time constant of the factory programmed or user defined low pass filter. 2. Mux Switching Time is defined as a transition from 10% to 90% with a 10pF load. 3. Factory programmable to have a switched capacitor low pass filter at 2kHz, 1kHz, 500Hz, 100Hz, 50Hz, or no low pass filter. Optionally, the user can define with external capacitors. Maximum defined by the frequency response of the sensors. 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 4 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Table 3. Environmental Units Min Typical Max Supply Voltage (Vdd) Absolute Limits Operating Temperature Range Storage Temperature Range Parameters V ºC ºC -0.3 -40 -55 - Mech. Shock (powered and unpowered) g - - ESD V - - 6.0 85 150 5000 for 0.5ms 10000 for 0.2ms 3000 HBM Caution: ESD Sensitive and Mechanical Shock Sensitive Component, improper handling can cause permanent damage to the device. This product conforms to Directive 2002/95/EC of the European Parliament and of the Council of the European Union (RoHS). Specifically, this product does not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE) above the maximum concentration values (MCV) by weight in any of its homogenous materials. Homogenous materials are "of uniform composition throughout." HF This product is halogen-free per IEC 61249-2-21. Specifically, the materials used in this product contain a maximum total halogen content of 1500 ppm with less than 900-ppm bromine and less than 900-ppm chlorine. Soldering Soldering recommendations are available upon request or from www.kionix.com. 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 5 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Application Schematic 10 Vdd C1 S0 1 9 GND 2 8 S1 KXTH9 ST 3 7 Aux In PD 4 6 Mux Out 5 Table 4. KXTH9 Pin Descriptions Pin Name Description 1 2 3 4 5 6 7 8 9 10 Vdd S0 ST PD NC Mux Out Aux In S1 GND NC The power supply input. Decouple this pin to ground with a 0.1uF ceramic capacitor (C 1). MUX selector 0 (See Output Select Table). Self Test: High - Device is in self-test mode; Low - Normal operation Power shutdown: Low - Normal operation; High - Device is in standby, power down mode Not Connected Internally (can be connected to Vdd or GND) Multiplexed analog output. Auxiliary input for multiplexer. Connect to Vdd or Ground if not used. MUX selector 1 (See Output Select Table). Ground Not Connected Internally (can be connected to Vdd or GND) 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 6 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Application Design Equations The bandwidth is determined by a factory programmable switched capacitor filter. The filter can be set at the factory to be 2kHz, 1kHz, 500Hz, 100Hz, 50Hz, or no low pass filter. Alternatively, bandwidth can be reduced by addition of a capacitor on the output pins 5, 6, and 7 according to the equation: C2  C3  C4  4.97 x106 f BW USING THE MULTIPLEXED OUTPUT OF THE KXTH9 Multiplexer Data Select The KXTH9 features an integrated 4-channel multiplexer. This feature reduces system MCU requirements to only 1 ADC and 2 digital I/O’s. The KXTH9 uses two select inputs (S0, S1) to control the data flow from Vmux. When a microprocessor toggles the select inputs, the desired output is attained based on the select table. Note that logic 0 is GND and logic 1 is Vdd. S1 0 0 1 1 S0 0 1 0 1 Vmux X Output Y Output Z Output Aux In Output Select Table Data Sampling Rate When operating in its multiplexed mode, the KXTH9 has the ability to achieve very high data sampling rates. Internally, the sensor elements (X, Y, and Z) are sequentially sampled in a “round robin” fashion at a rate of 32 kHz per axis. Combine this high sensor element sampling rate with the short 5 µs settling time of the integrated multiplexer, and the user can achieve a performance very close to that of the 3 separate analog outputs. This is more than sufficient to eliminate any aliasing in the final application since the KXTH9 will be operating with a typical bandwidth of ~50Hz and a maximum of 1000Hz. 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com © 2010 Kionix – All Rights Reserved 453-2470-1102251332 Page 7 of 11 PART NUMBER: ± 2.5g Tri-axis Analog Accelerometer Specifications KXTH9-2083 Rev. 3 Sep-2011 Test Specifications ! Special Characteristics: These characteristics have been identified as being critical to the customer. Every part is tested to verify its conformance to specification prior to shipment. Table 5. Test Specifications Parameter Zero-g Offset @ RT Sensitivity @ RT Current Consumption -- Operating 36 Thornwood Dr. – Ithaca, NY 14850 tel: 607-257-1080 – fax:607-257-1146 www.kionix.com - info@kionix.com Specification 1.25 +/- 0.06 V 400 +/- 12 mV/g 150
EVAL-KXTH9-2083 价格&库存

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