ICSENSORS Pressure User Manual

Model 1451

SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:[phone] FAX:[phone] E-MAIL:[e-mail]

SUNSTAR自动化 http://www.sensor-ic.com/ TEL: [phone] FAX:[phone] E-MAIL:[e-mail]

PC Board Mountable Pressure Sensor

0-60 mV Output

Gage and Absolute Pressure

Low Cost

þ Altitude Measurement

þ Barometric Pressure

þ Medical Instrumentation

þ Consumer Appliances

þ Tire Pressure

DESCRIPTION

The Model 1451 is a piezoresistive silicon pressure sensor

packaged in a surface mount configuration. It is intended for

high volume applications where small size, light weight, low

cost, and compatibility with automated assembly equipment are

required.

The pressure sensor is available with a gage or absolute

pressure sensing chip that is attached to a surface mountable

ceramic substrate. A cap is attached to the ceramic substrate,

protecting the chip and providing the pressure port.

The devices are shipped in plastic anti-static shipping tubes

for use with automated production equipment. The drawing

shows a standard tube version. Caps are also available with a

narrow hole or a large hole to interface with the pressure media.

FEATURES

þ Surface Mount Package

þ ±0.25% Pressure Non-linearity

þ 3 Pressure Port Options

þ Solid State Reliability

þ Low Power

STANDARD RANGES

Range psia psig

0 to 5

0 to 15

0 to 30

0 to 50

0 to 100

0 to 250

0 to 500

* N and W option only

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DIMENSIONS

1-8 Surface Mount

PC Board Mountable Pressure Sensor Model 1451

SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:[phone] FAX:[phone] E-MAIL:[e-mail]

SUNSTAR自动化 http://www.sensor-ic.com/ TEL: [phone] FAX:[phone] E-MAIL:[e-mail]

PERFORMANCE SPECIFICATIONS

Supply Voltage: 3 VDC

Ambient Temperature: 25°C (Unless otherwise specified)

PARAMETERS MIN TYP MAX UNITS NOTES

Full Scale Output Span 30 60 120 mV

Zero Pressure Output –25 25 mV

Pressure Non-linearity –0.25 0.25 % Span 1

Pressure Hysteresis –0.1 0.1 % Span
Input & Output Resistance 3500 5000 6000 Ω

Temperature Coefficient - Span –0.20 %/°C 2

Temperature Coefficient - Zero +0.05 %/°C 2

Temperature Coefficient - Resistance +0.25 %/°C 2

Thermal Hysteresis - Zero –0.2 0.2 % Span 2

Supply Voltage 3 12 Volts DC

Response Time (10% to 90%) 1.0 msec 3

Output Noise 1.0

Insulation Resistance (50 VDC) 50 M

Long Term Stability 0.5 ±% Span/year

Pressure Overload 3X Rated

Operating Temperature –40°C to +125°C

Storage Temperature –50°C to +150°C

Media Non-Corrosive Gases

Weig ht 0.3 g

V p-p 4

µ

Ω

Notes

1. Best Fit Straight Line.

2. Over the temperature range 0-50°C with respect to 25°C.

3. For a zero-to-full scale pressure step change.

4. 10 Hz to 1 kHz.

ORDERING INFORMATION CONNECTIONS

Bottom View (View A-A)

Surface Mount 1-9

April 2000