Datasheet > MPL3115A2R1

MPL3115A2R1

更新时间： 2024-11-26 11:44:51

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		传感器换能器 PC
页数	文件大小	规格书
44页	359K
描述
I2C Precision Altimeter

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MPL3115A2R1 数据手册

Freescale Semiconductor

Data Sheet: Advance Information

An Energy Efficient Solution by Freescale

Document Number: MPL3115A2

Rev 2.2, 07/2012

I²C Precision Altimeter

MPL3115A2

The MPL3115A2 employs a MEMS pressure sensor with an I²C interface to

provide accurate Pressure/Altitude and Temperature data. The sensor outputs

are digitized by a high resolution 24-bit ADC. Internal processing removes

compensation tasks from the host MCU system. Multiple user-programmable,

power saving, interrupt and autonomous data acquisition modes are available,

including programmed acquisition cycle timing, and poll-only modes. Typical

active supply current is 40 A per measurement-second for a stable 30 cm

output resolution. Pressure output can be resolved with output in fractions of a

Pascal, and Altitude can be resolved in fractions of a meter.

50 to 110 kPa

The MPL3115A2 is offered in a 5 mm by 3 mm by 1.1 mm LGA package and

specified for operation from -40C to 85C. Package is surface mount with a

stainless steel lid and is RoHS compliant.

Features

LGA PACKAGE

•

1.95V to 3.6V Supply Voltage, internally regulated by LDO

1.6V to 3.6V Digital Interface Supply Voltage

Fully Compensated internally

5.0 mm by 3.0 mm by 1.1 mm

Direct Reading, Compensated

Top View

– Pressure: 20-bit measurement (Pascals)

– Altitude: 20-bit measurement (meters)

SCL

SDA

INT1

INT2

– Temperature: 12-bit measurement (degrees Celsius)

•

Programmable Events

Autonomous Data Acquisition

CAP

GND

Resolution down to 1 ft. / 30 cm

32 Sample FIFO

Ability to log data up to 12 days using the FIFO

1 second to 9 hour data acquisition rate

I²C digital output interface (operates up to 400 kHz)

DDIO

Pin Connections

Application Examples

•

High Accuracy Altimetry

Smartphones/Tablets

Personal Electronics Altimetry

GPS Dead Reckoning

GPS Enhancement for Emergency Services

Map Assist, Navigation

Weather Station Equipment

ORDERING INFORMATION

# of Ports

Pressure Type

Digital

Interface

Device Name

Package Options

Case No.

None

Single

Dual

Gauge

Differential Absolute

MPL3115A2

Tray

2153

•

MPL3115A2R1

Tape & Reel (1000)

•

This document contains information on a new product. Specifications and information herein

are subject to change without notice.

12 3 4 5 6 7...44

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