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MOTOROLA

Freescale Semiconductor, Inc.

Order Number: MMA3201D

Rev. 2, 06/2004

SEMICONDUCTOR TECHNICAL DATA

Surface Mount

Micromachined Accelerometer

The MMA3200 series of dual axis (X and Y) silicon capacitive, micromachined

accelerometers features signal conditioning, a 4-pole low pass filter and temperature

compensation, and separate outputs for the two axes. Zero-g offset full scale span

and filter cut-off are factory set and require no external devices. A full system self-test

capability verifies system functionality.

Features

鈥?Sensitivity in two separate axes: 40g X-axis and 40g Y-axis

鈥?Integral Signal Conditioning

鈥?Linear Output

鈥?Ratiometric Performance

鈥?4th Order Bessel Filter Preserves Pulse Shape Integrity

鈥?Calibrated Self-test

鈥?Low Voltage Detect, Clock Monitor, and EPROM Parity Check Status

鈥?Transducer Hermetically Sealed at Wafer Level for Superior Reliability

鈥?Robust Design, High Shocks Survivability

Typical Applications

鈥?Vibration Monitoring and Recording

鈥?Impact Monitoring

鈥?Appliance Control

鈥?Mechanical Bearing Monitoring

鈥?Computer Hard Drive Protection

鈥?Computer Mouse and Joysticks

鈥?Virtual Reality Input Devices

鈥?Sports Diagnostic Devices and Systems

ORDERING INFORMATION

Device

MMA3201D

MMA3201DR2

Temperature

Range

鈥?40 to +125擄C

鈥?40 to +125擄C

Package

SOIC-20

SOIC-20, Tape & Reel

MMA3201D

MMA3201D: X-Y AXIS SENSITIVITY

MICROMACHINED

ACCELEROMETER

鹵40g

Freescale Semiconductor, Inc...

20 LEAD SOIC

CASE 475A-01

PIN ASSIGNMENT

N/C

N/C

N/C

N/C

ST

X

OUT

STATUS

V

SS

V

DD

AV

DD

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

GND

N/C

N/C

N/C

N/C

N/C

N/C

N/C

N/C

Y

OUT

AV

DD

V

DD

G-Cell

Sensor

Integrator

Gain

Filter

Temp

X

OUT

Y

OUT

ST

Self-Test

Control Logic &

EPROM

Trim Circuits

Oscillator

Clock

Gen.

V

SS

Status

Figure 1. Simplified Accelerometer Functional Block Diagram

REV 2

漏 Motorola, Inc. 2004

For More Information On This Product,

Go to: www.freescale.com

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