MPXM2053GS datasheet(68/670 Pages) MOTOROLA

68 / 670 page

MMA1260D

2–32

Motorola Sensor Device Data

www.motorola.com/semiconductors

OPERATING CHARACTERISTICS

(Unless otherwise noted: –40

°C v TA v +105°C, 4.75 v VDD v 5.25, Acceleration = 0g, Loaded output(1))

Characteristic

Symbol

Min

Typ

Max

Unit

Operating Range(2)

Supply Voltage(3)

Supply Current

Operating Temperature Range

Acceleration Range

VDD

IDD

gFS

4.75

1.1

*40

—

5.00

2.2

—

1.5

5.25

3.2

+105

—

°C

Output Signal

Zero g (TA = 25°C, VDD = 5.0 V)(4)

Zero g (VDD = 5.0 V)

Sensitivity (TA = 25°C, VDD = 5.0 V)(5)

Sensitivity (VDD = 5.0 V)

Bandwidth Response

Nonlinearity

VOFF

f –3dB

NLOUT

2.25

2.2

1140

1110

*1.0

2.5

1200

—

2.75

2.8

1260

1290

+1.0

mV/g

% FSO

Noise

RMS (0.1 Hz – 1.0 kHz)

Spectral Density (RMS, 0.1 Hz – 1.0 kHz)(6)

nRMS

nSD

—

5.0

500

9.0

—

mVrms

µg/√Hz

Self–Test

Output Response (VDD = 5.0 V)

Input Low

Input High

Input Loading(7)

Response Time(8)

DVST

VIL

VIH

IIN

tST

0.3

VSS

0.7 VDD

*50

—

0.6

—

*125

0.9

0.3 VDD

VDD

*300

µA

Status(12)(13)

Output Low (Iload = 100 µA)

Output High (Iload = –100 µA)

VOL

VOH

—

VDD *0.8

—

0.4

—

Output Stage Performance

Electrical Saturation Recovery Time(9)

Full Scale Output Range (IOUT = –200 µA)

Capacitive Load Drive(10)

Output Impedance

tDELAY

VFSO

—

VSS+0.25

—

2.0

VDD*0.25

100

—

Ω

Mechanical Characteristics

Transverse Sensitivity(11)

VXZ,YZ

—

5.0

% FSO

NOTES:

1. For a loaded output the measurements are observed after an RC filter consisting of a 1 k

Ω resistor and a 0.1 µF capacitor to ground.

2. These limits define the range of operation for which the part will meet specification.

3. Within the supply range of 4.75 and 5.25 volts, the device operates as a fully calibrated linear accelerometer. Beyond these supply limits

the device may operate as a linear device but is not guaranteed to be in calibration.

4. The device can measure both + and

* acceleration. With no input acceleration the output is at midsupply. For positive acceleration the output

will increase above VDD/2 and for negative acceleration the output will decrease below VDD/2.

5. Sensitivity limits apply to 0 Hz acceleration.

6. At clock frequency

^ 35 kHz.

7. The digital input pin has an internal pull–down current source to prevent inadvertent self test initiation due to external board level leakages.

8. Time for the output to reach 90% of its final value after a self–test is initiated.

9. Time for amplifiers to recover after an acceleration signal causing them to saturate.

10. Preserves phase margin (60

°) to guarantee output amplifier stability.

11. A measure of the device’s ability to reject an acceleration applied 90

° from the true axis of sensitivity.

12. The Status pin output is not valid following power–up until at least one rising edge has been applied to the self–test pin. The Status pin is

high whenever the self–test input is high.

13. The Status pin output latches high if the EPROM parity changes to odd. The Status pin can be reset by a rising edge on self–test, unless

a fault condition continues to exist.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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