dsdx030g2r Sensortechnics GmbH, dsdx030g2r Datasheet

dsdx030g2r

Manufacturer Part Number

dsdx030g2r

Description

Digital Pressure Transducers

Manufacturer

Sensortechnics GmbH

Datasheet

1.DSDX030G2R.pdf (8 pages)

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FEATURES

APPLICATIONS

ELECTRICAL CONNECTION

February 2009 / 545

· 0...1 to 0...100 psi,

· Absolute, gage or

· Digital readout via I

· Precision ASIC conditioning

· Temperature compensated

· Non-ratiometric output

· Medical instrumentation

· Barometry

· HVAC controls

· Pneumatic controls

0...±1 to 0...±100 psi

differential pressure

N/C

DSDX

8 4

N/C

C-bus

GND

SDA

SCL

+Vs

15 nF

220 nF

GENERAL DESCRIPTION

The DSDX series offers a digital

interface on a very cost-effective basis.

This family is fully calibrated and

temperature compen-sated using an

on-board ASIC. These sensors are

intended for use with non-corrosive,

non-ionic working fluids such as air

and dry gases.

Devices are available to measure

absolute, differential, and gage

pressures from 1 to 100 psi. The

absolute devices have an internal

vacuum reference and an output

signal proportional to absolute

pressure. Differential devices allow

application of pressure to either side

of the sensing diaphragm and can be

used

measurements.

for

gage

Note:

differential

A capacitor of 220 nF is required

between +Vs and GND.

Pin 2 is an internal device connection and

should be connected to ground with a

15 nF capacitor.

It is important to place the capacitors as

close to the pins as possible!

Pins 4, 6 and 8 are internal device

connections and should not be

connected for any reason!

Digital pressure transducers

All DSDX devices are accurate to with-

in ±2.0 %FSS for all gage and

absolute devices. The devices are

characterized for operation from a

single 5 V supply. The sensor is de-

signed and manufactured according

to standards laid down in ISO 9001.

www.sensortechnics.com

DSDX Series

1/8

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dsdx030g2r Summary of contents

Page 1

FEATURES · 0...1 to 0...100 psi, 0...±1 to 0...±100 psi · Absolute, gage or differential pressure · Digital readout via I 2 C-bus · Precision ASIC conditioning · Temperature compensated · Non-ratiometric output APPLICATIONS · Medical instrumentation · Barometry · ...

Page 2

PRESSURE SENSOR CHARACTERISTICS Maximum ratings Supply voltage V 4. Lead temperature ( sec.) Caution! The sensor is not reverse polarity protected. Incorrect applications of excitation voltage or ground to the wrong pin can cause ...

Page 3

PERFORMANCE CHARACTERISTICS The output signal is not ratiometric to the supply voltage (V All DSDX... ...

Page 4

TOTAL ACCURACY (-20 TO +105°C) 3.0 2.0 1.0 0 -1.0 -2.0 -3.0 -20 0 Specification notes maximum burst pressure is exceeded, even momentarily, the package may leak or burst, or the pressure sensing die may fracture. 2. Span ...

Page 5

INTRODUCTION The DSDX is capable to generate a digital output signal. It runs a cyclic program, which will store a corrected 12-bit sensor value about every 10 ms within the output registers of the internal ASIC. In order to use ...

Page 6

INTERFACE PARAMETERS ...

Page 7

PHYSICAL DIMENSIONS D4 package 1.27 typ (0.050 typ) 7.87 typ (0.310 typ) 8.13 8.89 (0.320) (0.350) G2 package 1.27 typ (0.050 typ) 5.08 (0.200) A2 package 1.27 typ (0.050 typ) (0.315 typ) 8.89 (0.350) third angle projection February 2009 / ...

Page 8

ELECTRICAL CONNECTIONS DSDX...D4... +Vs SCL IC N/C GND SDA N/C N/C DSDX...A2R SCL +Vs N/C IC SDA GND N/C N/C ORDERING INFORMATION ...

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