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| PRODUCT BRIEF TYRE PRESSURE SENSOR WITH ACCELEROMETER S P 1 2 is a piezoresistive pressure sensor and accelerometer designed for tyre pressure measurement applications. The design is based on proven high-volume, low cost production processes developed for products to be used in automotive applications. The SP12 is supplied in a 14 pin SOP (Small Outline Package) plastic package. The sensor design is based upon SensoNor's proprietary and patented solutions aimed at high reliabilty measurements in harsh environments, still with a predictable and stable quality in high volume applications. The SP12 measures pressure, temperature, supply voltage and radial acceleration, and by integrating these functions with an ASIC in one package, SensoNor has developed the ideal product for tyre pressure monitoring applications, offering the system designer the flexibility to determine sequences and functionality according to his customers demands. Pressure sensor: Temperature sensor: Supply Voltage sensor: Acceleration sensor: Range: Range: Range: Range: 100 to 450kPa -40 to +125C 1.8 to 3.6V -12 to 115g SP12 s"TM*n* An Infineon Technologies Company Fu t u r e Te c h n o l o g y To d a y. PRODUCT BRIEF PRESSURE MEASUREMENTS All specification limits to be understood as 4 sigma values. The specified values reflect the situation with an ideal voltage source (0 ohm internal resistance) PACKAGE T YPE 6 PARAMETER SPECIFICATION Unit Min 100 -8.5 -20 -10 -25 -17 -30 -25 -40 Typ -1.37 Max 450 8.5 20 10 25 17 30 25 40 6 AMBIENT CONDITION Temperature [ C] -40 to 125 -40 to 125 0 to 50 0 to 50 -20 to 70 -20 to 70 -40 to 100 -40 to 100 100 to 125 100 to 125 Pressure [kPa] 100 100 200 100 200 100 200 100 200 100 450 450 400 450 400 450 400 450 400 450 Supply voltage [ V ] 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 Input range Resolution Measurement error Measurement time kPa kPa/lsb kPa kPa kPa kPa kPa kPa kPa kPa ms TEMPERATURE MEASUREMENTS All specification limits to be understood as 5 sigma values PARAMETER Unit Input range Resolution Deviation from actual temperature C C/lsb C C C C C ms SPECIFICATION Min -40 -4 -5 -8 -7 -10 AMBIENT CONDITION Temperature [ C] -40 to 125 -40 to 125 0 to 50 -40 to 100 +100 to 125 0 to 50 -40 to 125 Supply voltage [ V ] 2.1 2.1 2.5 2.5 2.5 2.1 2.1 3.6 3.6 3.6 3.6 3.6 2.5 2.5 Typ -1 Max 125 4 5 8 7 10 1.5 YYWWXXX ZZZZ NNNNN Measurement time ACCELEROMETER MEASUREMENTS All specification limits to be understood as 4 sigma values. The specified values reflect the situation with an ideal voltage source (0 ohm internal resistance) PARAMETER SPECIFICATION Unit Min Typ 0.5 AMBIENT CONDITION Temperature [ C] -40 to 90 -40 to 90 -40 to 90 90 to 125 25 -40 to 90 90 to 125 -40 to 90 90 to 125 Supply voltage [ V ] 2.1 2.1 2.1 2.1 2.1 2.1 2.1 to to to to to to to 3.6 3.6 3.6 3.6 3.6 3.6 3.6 Max 115 18.75 24 6 8.75 12 2 4 6 Input range Resolution Sensitivity accuracy Offset Random error (inc. quant. error, noise, repeatability) Measurement time g -12 g/lsb % -18.75 % -24 g -6 g -8.75 g -12 g -2 g -4 ms SUPPLY VOLTAGE MEASUREMENTS All specification limits to be understood as 4 sigma values PARAMETER Input range Resolution Measurement error Delay time between supply voltage measurement command and sampling Delay time between sampling and A/D conversion Measurement time SPECIFICATION Unit Min V 1.8 V/lsb V -0.1 ms ms ms 2.8 8 Typ 0.0184 Max 3.6 0.1 4.2 12 17 AMBIENT CONDITION Temperature [ C] -40 to 125 -40 to 125 -40 to 125 -40 to 125 -40 to 125 Supply voltage [ V ] 1.8 - 3.6 2.1 - 3.6 2.1 - 3.6 2.1 - 3.6 2.1 - 3.6 3.5 10 ABSOLUTE MAXIMUM RATINGS Prolonged exposure to values between recommended operating conditions and absolute maximum ratings might affect the per formance or reliability of the device PARAMETER Input pressure Storage temperature Temperature in application Temperature, transient Supply voltage Input voltage, any pin Latch-up protection ESD protection (machine model) ESD protection (human body model) Mechanical shock Static acceleration MIN -40 -40 -40 -0.3 -0.3 -100 -200 -2 MAX 1400 150 150 175 6.0 VDD + 0.3 100 200 2 2000 2000 UNIT kPa C C C V V mA V kV g g How to reach us: Phone: +47 33 03 50 00 Fax: +47 33 03 50 05 www.sensonor.com marketing@sensonor.no Published by SensoNor AS Knudsrodveien 7 P.O.Box 196 N.3192 Horten Norway (c) SensoNor AS 2003. All Rights Reserved October 2003, 1000 ex. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits descriptions and charts stated herein. Information For further information on technology, delivery terms and conditions and prices please contact SensoNor AS |
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