3022-005-P datasheet(2/4 Pages) ETC2

Part #	3022-005-P

Description	PC Board Mountable Accelerometer Millivolt Output Low Cost

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Accelerometer Selection Guide– Unamplified

2-11

PC Board Mountable Accelerometer

Model 3022

CALIBRATION DATA

A calibration data sheet similar to the sample shown

above is included with each unit. The calibration

sheet provides the measured test and calibration

data for the sensor. In addition to the test data, the

values of calibration and temperature compensation

resistors are also included.

Figure 1. Calibration Data Sheet

SIGNAL CONDITIONING

Figure 2. Typical Temperature Compensation and Amplification Circuit (component values specified for each sensor)

• Rstc sets the excitation voltage ramp to compensate the sensitivity

error due to temperature.

• Rset sets the excitation voltage to 5V at 25°C.

• Rzb1, Rzb2 and Rztc1 and Rztc2 calibrate the zero offset and

compensate the offset error due to temperature.

• Rs calibrates the output span.

• Vcc must be >8 VDC.

Q1: 2N3904

CR1: 1N914 or equivalent

Op Amps: LT1014, LM324 or equivalent

Dec 2002

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