MMA1254 Просмотр технического описания (PDF) - Freescale Semiconductor
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MMA1254 Datasheet PDF : 10 Pages
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Freescale Semiconductor
Data Sheet: Technical Data
Low-g
Micromachined Accelerometer
The MMA series of silicon capacitive, micromachined accelerometers feature
signal conditioning, a 2-pole low pass filter and temperature compensation.
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
• Integral Signal Conditioning
• Linear Output
• 2nd Order Bessel Filter
• Calibrated Self-test
• EPROM Parity Check Status
• Transducer Hermetically Sealed at Wafer Level for Superior Reliability
• Robust Design, High Shock Survivability
• Qualified AECQ100, Rev. F Grade 2 (-40C/ +105C)
Typical Applications
• Vibration Monitoring and Recording
• Appliance Control
• Mechanical Bearing Monitoring
• Computer Hard Drive Protection
• Computer Mouse and Joysticks
• Virtual Reality Input Devices
• Sports Diagnostic Devices and Systems
ORDERING INFORMATION
Device Name
Temperature Range Case No.
Package
MMA1254EG
–40to 105C
475-01
SOIC-16
MMA1254EGR2
–40to 105C
475-01
SOIC-16, Tape & Reel
MMA1254KEG*
–40to 105C
475-01
SOIC-16
MMA1254KEGR2*
–40to 105C
*Part number sourced from a different facility.
475-01
SOIC-16, Tape & Reel
MMA1254
Rev 1, 06/2012
MMA1254
MMA1254: Z-AXIS SENSITIVITY
MICROMACHINED
ACCELEROMETER
±5g
16-LEAD SOIC
Pb-FREE
CASE 475-01
G-Cell
Sensor
ST
Self-test
Integrator
Temp Comp
Gain
Filter
and Gain
VDD
VOUT
Control Logic &
EPROM Trim Circuits
Oscillator
Clock
Generator
VSS
STATUS
Figure 1. Simplified Accelerometer Functional Block Diagram
VSS
1
VSS
2
VSS
3
VOUT
4
STATUS
5
VDD
6
VSS
7
ST
8
16
N/C
15
N/C
14
N/C
13
N/C
12
N/C
11
N/C
10
N/C
9
N/C
Figure 2. Pin Connections
© Freescale Semiconductor, Inc., 2012. All rights reserved.
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