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| BUS IC DC/DC CONVERTER MOTOR DRIVER IC RIPPLE COUNTER DRIVER IC I/O IC SENSOR IC y Co-integrated pressure sensor Tilt angle sensor Hall sensor IC SENSOR INTERFACE IC y Co-integrated pressure sensor FEATURES y y y y y y y y y y y Supply voltage VDD 5V Amplified, calibrated, fully signal conditioned output of 4.0 VDC FS span (0.5 to 4.5V 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 - 40C to + 125C operating temperature Available packages: y ASIC plus E777.01 DESCRIPTION The IC of OEM integrated pressure sensor combines state-ofthe-art pressure sensor technology with signal conditioning to produce a fully signal-conditioned, amplified, temperature compensated sensor. The sensor utilizes a digital signal processor to allow multiorder linear correction to achieve increased accuracy over conventional amplified pressure systems. The device is a cointegrated 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 compensate 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 configured for operating pressure ranges PINNING Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 from 350mbar FS up to 10bar (5PSI to 145PSI FS). For pressure ranges below 350mbar (5PSI), the IC interfaces with an off-chip sensor. The range is extendable above 10bar. Name NC DEV _ SWITCH I2C _ ID _ SWITCH SCL SDA/OW EEPROM _ VPROG NC DACOUT SENSOR _ EXPT SENSOR _ EXTN NC TM _ EXTC VDD GND NC NC Description Not connected 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) I C serial clock (internal pull up) 2 PACKAGE NC DEV_SWITCH I2C_ID_SWITCH SCL SDA/OW EEPROM_VPROG NC DACOUT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 NC NC GND VDD TM_EXTC NC SENSOR_EXTN SENSOR_EXPT I2C serial data / one wire (internal pull up) EEPROM programming voltage input Not connected Analog output signal External sensor bridge input signal External sensor bridge input signal Not connected Test Supply voltage Ground Not connected Not connected : SO16w body with nozzle y bare die y customer specific APPLICATION y y y y y Automotive pressure sensing (MAP, tire pressure, oil, fuel) Barometric measurement Medical instrumentation Industrial HVAC Co-integrated pressure sensor Also available IC VDD BLOCK DIAGRAM Description 777.01 + MEMS 777.01 + MEMS Pressure range [bar] 1, 2, 4, 7 0.35 Application gauge, relative, absolute relative Package SO16 + nozzle SO16 + nozzle 777.06 777.07 I C ASICplus SO16 package with nozzle 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 (c) 2005 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited. www.elmos.de | sales@elmos.de elmos product catalog june 2005 81 |
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