MMA6271QT
MMA6271QT is Two Axis Low-g Micromachined Accelerometer manufactured by Freescale Semiconductor.
features signal conditioning, a 1-pole low pass filter, temperature pensation 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
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- Selectable Sensitivity (2.5g/3.3g/6.7g/10g) 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 Fast Turn On Time High Sensitivity (2.5 g) Integral Signal Conditioning with Low Pass Filter Robust Design, High Shocks Survivability Environmentally Preferred Package Low Cost
MMA6271QT: XY AXIS ACCELEROMETER ± 2.5g/3.3g/6.7g/10g
Bottom View
Typical Applications
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- Laptop PC: Freefall Detection, Anti-Theft Cell Phone: Image Stability, Text Scroll, Motion Dialing, E-pass Motion Sensing PDA: Text Scroll Navigation and Dead Reckoning: E-pass Tilt pensation Gaming: Tilt and Motion Sensing, Event Recorder Vibration: Shock Sensing ORDERING INFORMATION
Device MMA6271QT MMA6271QR2 Temp. Range
- 20 to +85°C
- 20 to +85°C Case No. 1622-02 1622-02 Package
XOUT YOUT N/C
16-LEAD QFN CASE 1622-02
Top View
QFN-16, Tray QFN-16,Tape & Reel g-Select1 1 g-Select2 2 VDD 3 VSS 4
16 15
14 13 12 Sleep Mode
N/C 11 N/C 10 N/C 9 N/C 8 N/C
5 N/C
6 N/C
7 N/C
Figure 1. Pin Connections
© Freescale Semiconductor, Inc., 2006. All rights reserved.
VDD g-Select1 g-Select2 Oscillator Clock Generator X-Temp p XOUT
Sleep Mode
G-Cell Sensor
C to V Converter
Gain + Filter
Y-Temp p
YOUT
Control Logic EEPROM Trim Circuits
Figure 2. Simplified Accelerometer Functional Block...
