Datasheet > MS5541B

MS5541B

更新时间： 2024-11-11 03:48:23

品牌	Logo	应用领域
INTERSEMA		/
页数	文件大小	规格书
18页	362K
描述
MINIATURE 14 bar MODULE

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数据手册

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MS5541B 数据手册

MS5541B (RoHS^*)

MINIATURE 14 bar MODULE

• Integrated pressure sensor 6.2x6.4 mm

• Pressure range 0 - 14 bar (200 PSI)

• 15 Bit ADC

• 6 coefficients for a software compensation stored

on-chip

• 3-wire serial interface

• 1 system clock line (32.768 kHz)

• Low voltage / low power

• RoHS-compatible & Pb-free*

DESCRIPTION

The MS5541B is the miniature version of the popular MS5535B pressure sensor module. It contains a precision

piezoresistive pressure sensor and an improved version of the 15 Bit Micropower Sensor interface IC known

from the MS5535B. Compared to the MS5535A the temperature range has been improved (-40 to +85°C).

Other improvements concern the ESD sensitivity, current consumption and converter accuracy. In addition to

this the MS5541B is from its outer dimensions compatible to the MS54xx series of pressure sensors. It uses an

antimagnetic polished stainless steel ring for sealing with O-ring. The sensor provides 15 Bit pressure and

temperature data via a 3 wire serial interface that can be easily interfaced with 4 Bit low power microcontrollers.

64 Bit of factory programmed PROM provides calibration data for a highly accurate pressure and temperature

calculation. The MS5541B is fully software compatible to the MS5535B and MS5535A.

FEATURES

APPLICATIONS

•

Resolution 1.2 mbar

•

Small size 6.2x6.4 mm

Supply voltage 2.2 V to 3.6 V

Operating current < 5uA

Standby current < 0.1uA

-40°C to +85°C

•

No external components required

Diving computers and divers watches

Mobile water depth measurement systems

BLOCK DIAGRAM

VDD

MCLK

Input MUX

+IN

-IN

Digital

Interface

SENSOR

DIN

DOUT

SCLK

dig.

Filter

ADC

Memory

(PROM)

64 bits

Sensor

Interface IC

SGND

GND

Fig.: 1 Block Diagram 5541B

The European RoHS directive 2002/95/EC (Restriction of the use of certain Hazardous Substances in electrical and electronic

equipment) bans the use of lead, mercury, cadmium, hexavalent chromium and polybrominated biphenyls (PBB) or polybrominated

diphenyl ethers (PBDE).

DA5541B_005.doc

September 25^th, 2006

00005541766 ECN865

12 3 4 5 6 7...18

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