BUS IC
DC/DC CONVERTER
MOTOR DRIVER IC
RIPPLE COUNTER
DRIVER IC
I/O 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
Pin Name
PACKAGE
ÿ
ÿ
Supply voltage VDD 5V
The IC of OEM integrated pressure sensor combines state-of-
the-art pressure sensor technology with signal conditioning to
produce a fully signal-conditioned, amplified, temperature com-
pensated 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 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.
Description
Not connected
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
1
NC
NC
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
2
DEV_SWITCH
I2C_ID_SWITCH
SCL
SDA/OW
EEPROM_VPROG
NC
Device switch; ‘0’ : enable I C; ‘1’ : enable
2
DEV _ SWITCH
one-wire
ÿ
ÿ
ÿ
2
I C ID switch; ‘0’ : enable write protect;
2
3
I C _ ID _ SWITCH
‘1’: disable write protect (any device
ID is possible)
2
4
SCL
I C serial clock (internal pull up)
DACOUT
2
ÿ
ÿ
ÿ
ÿ
ÿ
ÿ
For gauge, differential, and absolute applications
Adjustable output clamps
Programmable output filter
EEPROM memory for End-of-line calibration
–40°C to +125°C operating temperature
Available packages:
5
6
7
SDA/OW
EEPROM _ VPROG
NC
I C 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
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.
8
9
DACOUT
SENSOR _ EXPT
SENSOR _ EXTN
NC
TM _ EXTC
VDD
GND
NC
NC
10
11
12
13
14
15
16
plus
ÿ ASIC : SO16w body with nozzle
ÿ bare die
ÿ customer specific
The chip is currently configured for operating pressure ranges
from 350mbar FS up to 10bar (5PSI to 145PSI FS). For pressure rang-
es below 350mbar (5PSI), the IC interfaces with an off-chip sensor.
The range is extendable above 10bar.
APPLICATION
ÿ
Automotive pressure sensing
Not connected
(MAP, tire pressure, oil, fuel)
Barometric measurement
Medical instrumentation
Industrial
Co-integrated pressure sensor
ÿ
ÿ
ÿ
ÿ
HVAC
Also available
Pressure
IC
Description
range [bar]
Application
Package
VDD
BLOCK DIAGRAM
gauge,
SO16 +
ϑ
777.06
777.01 + MEMS
777.01 + MEMS
1, 2, 4, 7
relative,
absolute
nozzle
SO16 +
777.07
0.35
relative
nozzle
∫
plus
ASIC 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.
Copyright © 2005 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited.
80
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81
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