KMZ10CM线性磁阻传感器

KMZ10CM Linear Field Sensor KMZ10CM Rev. 1 2011-november 1/5  Magnetoresisitve sensor technology  Linear signal output  Over increased field range  Very low hysteresis  High sensititvity  Substitutes KMZ10C / NXP DESCRIPTION Due to its featured properties - high sensitivity and almost no hysteresis – the KMZ10CM sensor is used in a wide range of applications, like magnetic field measurement, revolution counters, proximity detecting, and position measurement. FEATURES APPLICATIONS  Wheatsone bridge Detection of small magnetic fields, as in:  Passive output signal  Contactless switch  Linear signal output proportional to magnetic field strength  Contactless displacement measurement  4 lead package for measurement of z direction  Current measurement Polarity detection of small magnetic fields www.sensorway.cn KMZ10CM Linear Field Sensor KMZ10CM Rev. 1 2011-november 2/5 PERFORMANCE SPECS Parameter Symbol Condition Min Typ Max Unit A. Operating Limits 1) max. supply voltage VCC,max 10 V operating temperature Top -40 +150 C storage temperature Tst -65 +165 C B. Sensor Specifications (T = 25 °C ; HX = 3 kA/m) supply voltage VCC 5 10 V bridge resistance Rb 1000 1400 1800  offset voltage VOFF/VCC Hx=0 -1.5 0 +1.5 mV/V sensitivity S note 2 1 1.2 2 (mV/V)/(kA/m) hysteresis VHYST note 3 - - 100 µV/V linearity deviation FL note 4 - - 6.5 % C. Sensor Specifications (Tlow = 30 °C ; Thigh = 80 °C ; HX = 3 kA/m ; VCC = 5 V) TC of sensitivity TCS note 5 - - 0.35 - %/K TC of resistance TCBR note 6 - + 0.45 - %/K TC of offset TCVoff note 7,8, Hx=0 -4 0 +4 µV/V/K 1) Stress above one or more of the limiting values may cause permanent damage to the device. Exposure to limiting values for extended periods may affect device reliability. 2) The sensitivity is defined as the average slope of characteristic between Hy=0 and 6 kA/m and Hx=3kA/m: 3) Hysteresis is defined as the difference between offset voltages measured without Hy-field after premagnetization by negative and positive Hy=±6 kA/m field: 4) The linearity error is the deviation of output voltage measured at Hy=3 kA/m from the average of Hy=0 and 6 kA/m- output voltages, expressed as percentage of the output voltage difference measured between 0 and 6 kA/m: 5) The temperature coefficient of sensitivity is defined as the percentage change of the sensitivity per K referred to the value at T1 = -25 °C; T2= operating temperature: %100* )( )()( * )( 1 1 12 12 TS TSTS TT TCS    CC yy V HVmkAHV S *6 )0()/6( 00   VV m kA H m kA HHHHVHHVV CCXHYST 5;3;6;0);()( 10010010  %100* )0()/6( )0()/3( 2 1 00 00    yy yy HVmkAHV HVmkAHV FL www.sensorway.cn KMZ10CM Linear Field Sensor KMZ10CM Rev. 1 2011-november 3/5 6) The temperature coefficient of resistance is defined as the percentage change of the resistance per K referred to the value at T1 = -25 °C; T2= operating temperature: 7) Temperature coefficient of offset voltage is defined as the voltage change per K expressed in µV/V: 8) Linear behaviour assumed TYPICAL PERFORMANCE CURVES Typical output characteristic Sensitivity as a function of auxilliary field strength FUNCTION TERMINAL CONNECTIONS Pin Symbol Function 1 +Vo positive output voltage 2 GND negative supply voltage 3 -Vo negative output voltage 4 +Vcc positive supply voltage )( )()( 12 12 TT TVTV TCV offoff off    %100* )( )()( * )( 1 1 12 12 TR TRTR TT TCBR    -16 -8 0 8 16 -8 -4 0 4 8 Hy [kA/m] V o [ m V /V ] typ min max 1 2 3 4 Hy sensitive direction Hx auxiliary field direction www.sensorway.cn KMZ10CM Linear Field Sensor KMZ10CM Rev. 1 2011-november 4/5 BLOCK DIAGRAM ORDERING CODE Product Description Part number KMZ10CM KMZ10 CM Linear Field Sensor G-MRCO-028 www.sensorway.cn KMZ10CM Linear Field Sensor KMZ10CM Rev. 1 www.sensorway.cn 2011-november 5/5 TECHNICAL CONTACT INFORMATION NORTH AMERICA EUROPE ASIA Measurement Specialties, Inc. 1000 Lucas Way Hampton, VA 23666 United States Phone: +1-800-745-8008 Fax: +1-757-766-4297 Email: sales@meas-spec.com MEAS Deutschland GmbH Hauert 13 D-44227 Dortmund Germany Phone: +49-(0)231-9740-0 Fax: +49-(0)231-9740-20 Email: info.de@meas-spec.com The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Furthermore, this information does not convey to the purchaser of such devices any license under the patent rights to the manufacturer. Measurement Specialties, Inc. reserves the right to make changes without further notice to any product herein. Measurement Specialties, Inc. makes no warranty, representation or guarantee regarding the suitability of its product for any particular purpose, nor does Measurement Specialties, Inc. assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in different applications. All operating parameters must be validated for each customer application by customer’s technical experts. Measurement Specialties, Inc. does not convey any license under its patent rights nor the rights of others. The status of this datasheet is PRELIMINARY 北京赛斯维测控技术有限公司 北京市朝阳区望京西路48号 金隅国际C座1002 电话：＋86 010 8477 5646 传真：＋86 010 5894 9029 邮箱：sales@sensorway.cn http://www.sensorway.cn