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NXP Semiconductors Electronic Components Datasheet

MMA7260QR2 Datasheet

Micromachined Accelerometer

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Freescale Semiconductor
Technical Data
±1.5g - 6g Three Axis Low-g
Micromachined Accelerometer
The MMA7260QT low cost capacitive micromachined accelerometer
features signal conditioning, a 1-pole low pass filter, temperature
compensation and g-Select which allows for the selection among 4
sensitivities. Zero-g offset full scale span and filter cut-off are factory set and
require no external devices. Includes a Sleep Mode that makes it ideal for
handheld battery powered electronics.
Features
• Selectable Sensitivity (1.5g/2g/4g/6g)
• Low Current Consumption: 500 μA
• Sleep Mode: 3 μA
• Low Voltage Operation: 2.2 V – 3.6 V
• 6mm x 6mm x 1.45mm QFN
• High Sensitivity (800 mV/g @ 1.5g)
• Fast Turn On Time
• Integral Signal Conditioning with Low Pass Filter
• Robust Design, High Shocks Survivability
• Pb-Free Terminations
• Environmentally Preferred Package
• Low Cost
Typical Applications
• HDD MP3 Player: Freefall Detection
• Laptop PC: Freefall Detection, Anti-Theft
• Cell Phone: Image Stability, Text Scroll, Motion Dialing, E-Compass
• Pedometer: Motion Sensing
• PDA: Text Scroll
• Navigation and Dead Reckoning: E-Compass Tilt Compensation
• Gaming: Tilt and Motion Sensing, Event Recorder
• Robotics: Motion Sensing
Device Name
MMA7260QT
MMA7260QR2
ORDERING INFORMATION
Temperature
Range
Package
Drawing
Package
–40 to +105°C
1622-02
QFN-16, Tray
–40 to +105°C
1622-02
QFN-16,Tape & Reel
Document Number: MMA7260QT
Rev 5, 03/2008
MMA7260QT
MMA7260QT: XYZ AXIS
ACCELEROMETER
± 1.5g/2g/4g/6g
Bottom View
16 LEAD
QFN
CASE 1622-02
Top View
g-Select1 1
g-Select2 2
VDD 3
VSS 4
16 15
14 13
12
Sleep
Mode
11 N/C
10 N/C
9 N/C
5678
Figure 1. Pin Connections
© Freescale Semiconductor, Inc., 2005-2008. All rights reserved.


NXP Semiconductors Electronic Components Datasheet

MMA7260QR2 Datasheet

Micromachined Accelerometer

No Preview Available !

g-Select1
g-Select2
VDD
Oscillator
Clock
Generator
X-Temp
Comp
XOUT
Sleep Mode
G-Cell
Sensor
C to V
Converter
Gain
+
Filter
Y-Temp
Comp
YOUT
Control Logic
EEPROM Trim Circuits
Z-Temp
Comp
ZOUT
VSS
Figure 2. Simplified Accelerometer Functional Block Diagram
Table 1. Maximum Ratings
(Maximum ratings are the limits to which the device can be exposed without causing permanent damage.)
Rating
Symbol
Value
Unit
Maximum Acceleration (all axis)
Supply Voltage
Drop Test(1)
Storage Temperature Range
1. Dropped onto concrete surface from any axis.
gmax
±5000
g
VDD
–0.3 to +3.6
V
Ddrop
1.8
m
Tstg
–40 to +125
°C
ELECTRO STATIC DISCHARGE (ESD)
WARNING: This device is sensitive to electrostatic
discharge.
Although the Freescale accelerometer contains internal
2000 volts ESD protection circuitry, extra precaution must be
taken by the user to protect the chip from ESD. A charge of
over 2000 volts can accumulate on the human body or
associated test equipment. A charge of this magnitude can
alter the performance or cause failure of the chip. When
handling the accelerometer, proper ESD precautions should
be followed to avoid exposing the device to discharges which
may be detrimental to its performance.
MMA7260QT
2
Sensors
Freescale Semiconductor


Part Number MMA7260QR2
Description Micromachined Accelerometer
Maker NXP
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