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MS5534AM

Description
BAROMETER MODULE
File Size260KB,21 Pages
ManufacturerETC
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MS5534AM Overview

BAROMETER MODULE

MS5534A
BAROMETER MODULE
Integrated pressure sensor
Pressure range 300-1100 mbar
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
DESCRIPTION
The MS5534A is a SMD-hybrid device including a piezoresistive pressure sensor and an ADC-Interface IC. It
provides a 16 Bit data word from a pressure- and temperature-dependent voltage. Additionally the module
contains 6 readable coefficients for a highly accurate software calibration of the sensor. MS5534A is a low-
power, low-voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all
communications with a microcontroller. Sensor packaging options are plastic or metal cap.
FEATURES
15-Bit ADC resolution
Supply voltage 2.2 V to 3.6 V
Low Supply current
-40°C to +60°C
Small size
No external components required
APPLICATIONS
Mobile altimeter/barometer systems
Weather control systems
Adventure or multi-mode watches
GPS Receivers
BLOCK DIAGRAM
VDD
MCLK
Input MUX
SENSOR
+IN
dig.
Filter
Digital
Interface
ADC
DIN
DOUT
SCLK
-IN
Sensor
Interface IC
SGND
Memory
(PROM)
64 bits
GND
Fig.: 1 Block Diagram 5534
DA5534_022.doc
ECN493
July 17th, 2002
1

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Description BAROMETER MODULE BAROMETER MODULE BAROMETER MODULE
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