MXR7900C datasheet(2/6 Pages) MEMSIC

2 / 6 page

MEMSIC MXR7900A/C/D Rev.A

Page 2 of 6

4/09/2009

MXR7900A/C/D SPECIFICATIONS (Measurements @ 25°C, Acceleration = 0 g unless otherwise noted; VDD = 5.0V unless otherwise

specified)

Parameter

Conditions

Min.

MXR7900A/C/D

Typ.

Max.

Units

MXR7900A/C

±1.0

SENSOR INPUT

Measurement Range

MXR7900D

±1.7

Nonlinearity

Best fit straight line

0.5

1.0

% of FS

Alignment Error

±1.0

±3.0

degrees

Alignment Error

X Sensor to Y Sensor

0.01

degrees

Cross Axis Sensitivity

±0.5

±1.0

SENSITIVITY

Sensitivity Xout, Yout

Each Axis

VDD=5.0V

855

900

945

mV/g

MXR7900A/C

-60%

100%

Sensitivity Change over

Temperature

4 Delta from 25

°C

MXR7900D

-6%

ZERO g BIAS LEVEL

0 g Voltage Xout, Yout

Each Axis

VDD=5.0V

2.41

-0.10

2.50

0.00

2.59

0.10

MXR7900A

0.4

1.0

mg/

°C

MXR7900C

0.1

0.3

mg/

°C

0 g Offset vs. Temperature

Delta from 25

°C

MXR7900D

0.4

1.0

mg/

°C

NOISE PERFORMANCE

Noise Density, rms

@25

°C

0.3

0.8

mg/

FREQUENCY RESPONSE

3dB Bandwidth

Selftest

Delta output change at Xout and Yout

-1.0

POWER SUPPLY

Operating Voltage Range

4.50

5.25

Quiescent Supply Current

@5.0V

4.0

5.5

Xout and Yout OUTPUTS

Output High Voltage

Output Low Voltage

@5.0V Supply

4.5

0.5

Current

Source or sink @4.5V-

5.25V Supply

100

Turn-On Time

160

200

TEMPERATURE RANGE

Operating Range

-30

+105

°C

NOTES

1 Guaranteed by measurement of initial offset and sensitivity.

2 Alignment error is specified as the angle between the true and indicated axis of

sensitivity.

3 Cross axis sensitivity is the algebraic sum of the alignment and the inherent

sensitivity errors.

4 Defined as the output change from ambient to maximum temperature or ambient to

minimum temperature.

5 Output settled to within

±17mg.

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