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Freescale Semiconductor
Data Sheet: Technical Data
Miniature SPI Digital Barometer
The MPL115A1 is an absolute pressure sensor with a digital SPI output targeting
low cost applications. A miniature 5 x 3 x 1.2 mm LGA package is ideally suited
for the space constrained requirements of portable electronic devices. Low
current consumptions of 5 μ A during Active mode and 1 μ A during Shutdown
(Sleep) mode are essential when focusing on low-power applications. The wide
operating temperature range spans from -40°C to +105°C to fit demanding
environment conditions.
The MPL115A1 employs a MEMS pressure sensor with a conditioning IC to
provide accurate pressure measurements from 50 to 115 kPa. An integrated
ADC converts pressure and temperature sensor readings to digitized outputs via
a SPI port. Factory calibration data is stored internally in an on-board ROM.
Utilizing the raw sensor output and calibration data, the host microcontroller
executes a compensation algorithm to render Compensated Absolute Pressure
with ±1 kPa accuracy.
The MPL115A1 pressure sensor ’s small form factor, low power capability,
precision, and digital output optimize it for barometric measurement
applications.
Features
Document Number: MPL115A1
Rev. 7, 02/2013
MPL115A1
50 to 115 kPa
LGA Package
5.0 mm x 3.0 mm x 1.2 mm
Top View
?
Digitized pressure and temperature information together with programmed
calibration coefficients for host micro use.
VDD
1
8
SCLK
?
?
?
Factory calibrated
50 kPa to 115 kPa absolute pressure
±1 kPa accuracy
CAP
GND
2
3
7
6
DIN
DOUT
?
2.375V to 5.5V supply
?
Integrated ADC
SHDN
4
5
CS
?
SPI Interface
?
?
Monotonic pressure and temperature data outputs
Surface mount RoHS compliant package
Pin Connections
Application Examples
?
?
?
?
?
?
?
Barometry (portable and desktop)
Altimeters
Weather stations
Hard-disk drives (HDD)
Industrial equipment
Health monitoring
Air control systems
ORDERING INFORMATION
Device Name
Package Options
Case No.
None
# of Ports
Single
Dual
Gauge
Pressure Type
Differential
Absolute
Digital
Interface
MPL115A1
MPL115A1T1
Tray
Tape & Reel (1000)
2015
2015
?
?
?
?
SPI
SPI
? 2009-2013 Freescale Semiconductor, Inc. All rights reserved.
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相关PDF资料
KITMPL115A2I2C KIT EVALUATION FOR PL115A2I2C
KITMPVZ5004EVK KIT EVAL PRESSURE SENS BOARD
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