DS-0010 datasheet(2/5 Pages) ASC

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BarometerDigitalOutputPressureSensors

Absolute Maximum Ratings

Operating Voltage

Compensated Temperature

Operating Temperature

Storage Temperature

Humidity Limits

+4.75Vdcto+5.25Vdc

-20°C to +85° C

-20 to +105° C

-40 to 125° C

0 to 95% RH

(non condensing)

Environmental Specifications

Supply Voltage (Vcc)

Voltage on Any Pin with Respect to Gnd

LeadTemperature(soldering2-4sec.)

7Vdc

-0.6toVcc+0.6V

250°C

Nominal

1.0

0.025

Minimum

Parameter (1)

Resolution

Conversion Speed

Supply Current

Overall Accuracy (5)

Long Term Drift (one year)

Maximum

2.5

2.0

Units

Bit

mBar

General Performance Characteristics

Standard Pressure Ranges

Operating Pressure

600to1100

20to32

Proof Pressure

60 PSI

Burst Pressure

120 PSI

Part Number

BARO-DO

BARO-INHG-DO

Digital Span (4)

Units

mBar

inches Hg

Specification Notes

NOTE

1: UNLESS OTHERWISE SPECIFIED, ALL PARAMETERS ARE MEASURED AT 5.0 VOLT SUPPLY, POSITIVE PRESSURE APPLIED TO PORT B.

NOTE

2: THE DIGITAL OUTPUT IS A 16 BIT SIGNED BINARY OUTPUT IN A TWO’S COMPLIMENT FORMAT. THE APPLIED PRESSURE IS COMPUTED USING THE PRESSURE

CONVERSION TABLE (BELOW). THE MODE COLUMN IDENTIFIES THE RESOLUTION OPERATING MODE OF THE DEVICE (A = STANDARD RESOLUTION, B = HIGH

RESOLUTION

). FSO AND UNITS ARE SHOWN FOR EACH MODEL.

NOTE

3: SHIFT IS WITHIN THE FIRST HOUR OF EXCITATION APPLIED TO THE DEVICE.

NOTE

4: DIGITAL SPAN IS DEPENDENT ON THE RESOLUTION OPERATING MODE. REFER TO THE DIGITAL SPAN TABLE (BELOW) TO IDENTIFY THE DIGITAL SPAN OF THE

SPECIFIC MODEL

. IN THE EVENT OF AN OVER-PRESSURE OR UNDER-PRESSURE CONDITION, THE DIGITAL OUTPUT WILL ONE COUNT HIGHER OR ONE COUNT LOWER

(RESPECTIVELY) TO THE LISTED DIGITAL SPAN TO INDICATE THE CONDITION.

NOTE

5: OVERALL ACCURACY INCLUDES THE COMBINED EFFECTS OF OFFSET AND SPAN SHIFTS OVER TEMPERATURE, LINEARITY, HYSTERESIS, AND OFFSET AND SPAN

CALIBRATION

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