bus ic dc/dc converter motor driver ic ripple counter 80 block diagram driver ic i/o ic sensor ic sensor interface ic 81 elmos product catalog june 2 00 5 note elmos semiconductor ag (below elmos) reserves the right to make changes to the product contained in this publication without notice. elmos assumes no responsibility for the use of any circuits described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. while the information in this publication has been checked, no responsibility, however, is assumed for inaccuracies. elmos does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of a life-support system or to signi? cantly affect its safety or effectiveness. products are not authorized for use in such applications. copyright ? 2 00 5 elmos reproduction, in part or whole, without the prior written consent of elmos, is prohibited. www.elmos.de | sales@ elmos .de pinning package ? co-integrated pressure sensor tilt angle sensor hall sensor ic ? co -integrated pressure sensor e 777 . 0 1 features ? supply voltage vdd 5 v ? amplified, calibrated, fully signal conditioned output of 4 . 0 vdc fs span ( 0 . 5 to 4 . 5 v signal) ? output ratiometric with supply voltage ? digital signal processor for correction algorithms ? multi-order temperature compensation for gain and offset ? for gauge, differential, and absolute applications ? adjustable output clamps ? programmable output filter ? eeprom memory for end-of-line calibration ? C 4 0 c to + 1 2 5 c operating temperature ? available packages: ? asic plus : s o 16 w body with nozzle ? bare die ? customer specific a pplication ? automotive pressure sensing (map, tire pressure, oil, fuel) ? barometric measurement ? medical instrumentation ? industrial ? hvac d escription the ic of oem integrated pressure sensor combines state-of- the-art pressure sensor technology with signal conditioning to produce a fully signal-conditioned, ampli? ed, temperature com- pensated sensor. the sensor utilizes a digital signal processor to allow multiorder linear correction to achieve increased accuracy over conventional ampli? ed pressure systems. the device is a co- integrated die. it is also available as an ic without the sensor and is therefore suitable for the use of a precision signal processor for separate sensors. the system uses an on-chip eeprom to store the calibration data. this allows the device to be calibrated end-of-line and so to com- pensate for packaging stress and/or parametric changes due to the addition of protective gel. sensor id information can also be stored in the eeprom. the chip is currently con? gured for operating pressure ranges from 3 5 0 mbar fs up to 1 0 bar ( 5 psi to 1 4 5 psi fs). for pressure rang- es below 3 5 0 mbar ( 5 psi), the ic interfaces with an off-chip sensor. the range is extendable above 1 0 bar. pin name description 1 nc not connected 2 dev _ switch device switch; 0 : enable i 2 c; 1 : enable one-wire 3 i 2 c _ id _ switch i 2 c id switch; 0 : enable write protect; 1 : disable write protect (any device id is possible) 4 scl i 2 c serial clock (internal pull up) 5 sda/ow i 2 c serial data / o ne wire (internal pull up) 6 eeprom _ vprog eeprom programming voltage input 7 nc not connected 8 dacout analog output signal 9 sensor _ e xpt external sensor bridge input signal 1 0 sensor _ ex tn external sensor bridge input signal 11 nc not connected 1 2 tm _ extc test 1 3 vdd supply voltage 1 4 gnd ground 1 5 nc not connected 1 6 nc not connected also available ic description pressure range [bar] application package 777 . 0 6 777.01 + m ems 1 , 2 , 4 , 7 gauge, relative, absolute so 1 6 + nozzle 777 . 0 7 777.01 + m ems 0.35 relative so 1 6 + nozzle co-integrated pressure sensor asic plus so 16 package with nozzle vdd i2 c ? 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 nc de v_s wi tc h i2c_i d_s wi tc h sc l sd a/ ow eeprom_vprog nc da co ut nc nc gn d vd d tm _e xt c nc sensor_e xt n sensor_e xp t
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