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MX205Q

Low Cost, 5.0g, Dual Axis Accelerometer with Analog Outputs

Unspecified 

MX205Q SPECIFICATIONS

Analog Electrical Characteristics

Measurements @ 25°C Acceleration = 0g unless otherwise noted

VDD, VDA = 5.0V unless otherwise specified

Parameter

Conditions MEMSIC MX205Q Units

Min Typ Max

SENSOR

Measurement Range1

Nonlinearity

Alignment Error2

SENSITIVITY

ANALOG OUTPUTS

Sensitivity

Temperature Changes8

Cross-Axis Sensitivity3

Each axis

Best Fit Straight

Line

Each axis

+/- 5.0

2%

+/- 1.0 +/- 2.5

g

% of FS

degrees

90 100 110 mV/g

Delta from 25°C per formula

SIN X (TIN)2.67 = SFIN X (TFIN)2.67

X sensor to Y sensor

+/- 2

%

ZERO g BIAS LEVEL11

Each axis

2.0 2.2 2.4

V

0g Offset vs.

Temperature4

NOISE PERFORMANCE

Noise Density 5

in 40 Hz Bandwidth

@ +25°C

2.0

mg/°C

750 1000 µg/√Hz rms

FREQUENCY RESPONSE

3 dB Bandwidth

3 dB Bandwidth7

Tout Voltage

Temp sensor sensitivity

V REFERENCE 9

25°C

25°C

SELF TEST

Voltage Delta at outputs

@5V Supply

@2.7V Supply

Continuous,

Output rails with

failure

X, Y OUTPUTS10

POWER SUPPLY

Operating Voltage Range

Specified Performance

Quiescent Supply Current @ 5V

Quiescent Supply Current @ 2.7V

Turn-On Time6

Current drive

capabilities,

source/sink

TEMPERATURE RANGE

Operating Range

40

Hz

160

Hz

1.23 1.25 1.27

V

5

mV/°K

2.4

2.5

2.6

V

5.0

V

2.7

V

-2.5

+2.5 mA

2.7

5.25

V

3.0

3.5

mA

4.0

4.5

mA

200 400

ms

-40

125

°C

Data Sheet

MX205Q

Page 2 of 8

NOTES

1Guarantee by measurements of initial offset

and sensitivity.

2Alignment error is specified as the angle between

the true and indicated axis of sensitivity.

3Cross-axis sensitivity is the algebraic sum of the

alignment and the inherent sensitivity errors.

4Specification refers to the maximum change in

parameter from its initial value at 25°C to its

worst case value at Tmin to Tmax of the specified

temperature range.

5Noise density (µg/√Hz rms) is the average noise at any

frequency in the bandwidth of the device.

6The voltage is required to ramp full scale before

making a measurement.

7Note: Frequency compensating circuit will achieve

160 Hz operations. See Application Note (AN-00MX-002) .

Application boards available.

8Defined as the output change from ambient to

maximum temperature or minimum. For more

details refer to Application Note (AN-00MX-002).

9For more details refer to Application Note

(AN-00MX-001).

10Operating at maximum current drive capabilities,

shifting of baseline sensitivity may occur.

11Ratiometric analog output voltage will be 44.0%

of VDD, VDA supply.

All min and max specifications are subject to change

without notification.

Information furnished by MEMSIC is believed to be

accurate and reliable. However, no responsibility is

assumed by MEMSIC for its use, nor for any infringe-

ments of patents or other rights of third parties which

may result from its use. No license is granted by

implications or otherwise under any patent or patent

rights of MEMSIC.

Technical information.

Subject to change without notice.

MX205Q ANALOG Data Sheet N 8/1/01

®MEMSIC, Inc. 2000.

100 Burtt Road, Andover, MA 01810

Tel: 978.623.8188 • Fax: 978.623.9945

www.memsic.com

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