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PDF MLX90269 Data sheet ( Hoja de datos )
| Número de pieza | MLX90269 | |
| Descripción | Absolute Integrated Pressure Sensor | |
| Fabricantes | Melexis | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MLX90269 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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MLX90269
Absolute Integrated Pressure Sensor
Features and Benefits
Absolute Integrated Pressure sensor
Less than ±1% error range overall
Programmable through the connector (3 pins)
Trimmable offset and sensitivity
On-Chip Signal Conditioning
Output proportional to the applied pressure
Ratiometric output
Rail-to-rail output
Diagnostics of broken supply wires and broken sensor
Output protected against short-circuits at both battery terminals
Different pressure ranges available
Application Examples
Water pressure
Oil pressure
Manifold Air Pressure
Ordering Information
Part No.
MLX90269
Temperature Suffix
L (-40°C to 150°C)
Package Code
UF (die on foil)
Option
-1
1. Functional Diagram
Description
1.2 to 3 Bar Full Scale
VDD
Chopper
demodulator
Gain
calibration
Temperature
sensor
ADC
DIGITAL CORE
DAC
2. Description
The MLX90269 is an integrated
absolute pressure sensor (0 Bar
= vacuum) realized in CMOS
OUT technology with micromachining
options. It consists of an analog
signal chain that interacts with
the digital core and on-chip
temperature sensor in order to
provide uniform overall sensing
characteristics after calibration
and to cancel the temperature
related parameter drifts.
Diagnostics
The output is proportional to the
applied pressure with an adjustable slope and offset. It is ratiometric and goes rail-to-rail with a 3mA
source and sink capability. Different pressure ranges are available (from 1.2 to 7 Bar full scale ranges,
see above ordering information).
3901090269
Rev. 006
Page 1 of 9
Data Sheet
Mar/08
1 page  
MLX90269
Absolute Integrated Pressure Sensor
7. Performance Graphs
The graphs below show measured output voltages (on a 4 Bar full scale sensor) taken at 15 pressure
points (500 mBar to 4000 mBar), at 21 ambient temperature points (-50 to 150 Celsius) and with Vdd set
to 4.5 V, 5 V and 5.5 V.
100
90
80
70
60
50
40
30
20
10
0
0
Vout versus Pressure with Ta = -50..150 C
10 20 30 40 50 60 70 80 90 100
Pressure %FS (FS = 4000 mBar)
Note : FS means Output Voltage Full Scale (4 V).
Measured Error is below 1 % of FS for all ambient temperature and pressure points (see graphs below).
Error versus Ambient Temperature with P = 500..4000 mBar
1.5
1
0.5
0
-0.5
-1
-1.5
-50 -30 -10 10 30 50 70 90 110 130 150
Ambient Temperature C
3901090269
Rev. 006
Page 5 of 9
Data Sheet
Mar/08
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MLX90269.PDF ] | |
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