DC/DC CONVERTER BUS IC MOTOR DRIVER IC RIPPLE COUNTER I/O IC DRIVER IC SENSOR IC SENSOR INTERFACE IC ÿ Co-integrated pressure sensor Tilt angle sensor Hall sensor IC ÿ Co-integrated pressure sensor E777.01 FEATURES DESCRIPTION PINNING ÿ Supply voltage VDD 5V The IC of OEM integrated pressure sensor combines state-of- ÿ Amplified, calibrated, fully signal conditioned the-art pressure sensor technology with signal conditioning to output of 4.0 VDC FS span (0.5 to 4.5V signal) produce a fully signal-conditioned, amplified, temperature com- ÿ Output ratiometric with supply voltage pensated sensor. The sensor utilizes a digital signal processor to ÿ Digital Signal Processor for correction algorithms allow multiorder linear correction to achieve increased accuracy ÿ Multi-order temperature compensation for gain over conventional amplified pressure systems. The device is a co- and offset ÿ PACKAGE Pin Name Description 1 NC Not connected 2 DEV _ SWITCH Device switch; ‘0’ : enable I2C; ‘1’ : enable one-wire I2C ID switch; ‘0’ : enable write protect; ‘1’: disable write protect (any device ID is possible) 3 I2C _ ID _ SWITCH integrated die. It is also available as an IC without the sensor and 4 SCL For gauge, differential, and absolute applications is therefore suitable for the use of a precision signal processor for 5 SDA/OW I2C serial data / one wire (internal pull up) ÿ Adjustable output clamps separate sensors. 6 EEPROM _ VPROG EEPROM programming voltage input ÿ Programmable output filter 7 NC Not connected ÿ EEPROM memory for End-of-line calibration The system uses an on-chip EEPROM to store the calibration data. 8 DACOUT Analog output signal ÿ – 40°C to + 125°C operating temperature This allows the device to be calibrated end-of-line and so to com- 9 SENSOR _ EXPT External sensor bridge input signal ÿ Available packages: pensate for packaging stress and/or parametric changes due to 10 SENSOR _ EXTN External sensor bridge input signal ÿ ASIC the addition of protective gel. Sensor ID information can also be 11 NC Not connected stored in the EEPROM. 12 TM _ EXTC Test plus : SO16w body with nozzle ÿ bare die ÿ customer specific APPLICATION ÿ I C serial clock (internal pull up) 2 13 VDD Supply voltage The chip is currently configured for operating pressure ranges 14 GND Ground from 350mbar FS up to 10bar (5PSI to 145PSI FS). For pressure rang- 15 NC Not connected Automotive pressure sensing es below 350mbar (5PSI), the IC interfaces with an off-chip sensor. 16 NC Not connected (MAP, tire pressure, oil, fuel) The range is extendable above 10bar. ÿ Barometric measurement ÿ Medical instrumentation ÿ Industrial ÿ HVAC BLOCK DIAGRAM NC 1 16 DEV_SWITCH 2 15 I2C_ID_SWITCH 3 14 SCL 4 13 SDA/OW 5 12 EEPROM_VPROG 6 11 NC 7 10 DACOUT 8 9 NC NC GND VDD TM_EXTC NC SENSOR_EXTN SENSOR_EXPT Co-integrated pressure sensor Also available IC Description Pressure range [bar] 777.06 777.01 + MEMS 777.07 777.01 + MEMS Application Package 1, 2, 4, 7 gauge, relative, absolute SO16 + nozzle 0.35 relative VDD ϑ ∫ SO16 + nozzle ASICplus SO16 package with nozzle I² C 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 significantly affect its safety or effectiveness. Products are not authorized for use in such applications. 80 Copyright © 2005 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited. www.elmos.de | [email protected] elmos product catalog june 2005 81