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Freescale Semiconductor Electronic Components Datasheet

MMA6901KQR2 Datasheet

High Accuracy Low g Inertial Sensor

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MMA6901KQR2 pdf
Freescale Semiconductor
Technical Data
High Accuracy Low g Inertial Sensor
MEMS Sensing, State Machine ASIC
The MMA690xQ is a dual axis, Low g, XY, Sensor based on Freescale’s
HARMEMS technology, with an embedded DSP ASIC, allowing for additional
processing of the digital signals.
Features
• Sensitivity in X and Y axes
±3.5 or ±5.0g full-scale range per axis
• AEC-Q100 qualified, Rev. G, grade 2 (-40 TA 105 °C)
• 50 Hz second order low-pass filter
• Unsigned 11-bits digital data output
• SPI-compatible serial interface
• Capture/hold input for system-wide synchronization support
• 3.3 or 5.0V single supply operation
• On-chip temperature sensor and voltage regulator
• Bi-directional internal self-test
• Minimal external component requirements
• Pb-free 16-pin QFN package
• Pulse-code modulated output available for device evaluation
Typical Applications
• With a ±3.5g or ±5.0g full scale range, the newly designed, high accuracy
sensor, enables Electronic Stability Control (ESC) designers to
accommodate higher original signal noise level without sacrificing resolution.
• Tilt Measurement
• Electronic Parking Brake
ORDERING INFORMATION
Device Name
Range
Shipping
MMA6900(K)Q
MMA6901(K)Q
±3.5 g
±5.0 g
Tubes
MMA6900(K)QR2
MMA6901(K)QR2
±3.5 g
±5.0 g
Tape and Reel
“K” suffix indicates the device is manufactured with an alternate silicon sourcing
MMA690xQ
Rev 2.0, 11/2010
MMA690xQ
DUAL AXIS SPI
INERTIAL SENSOR
Bottom View
16-PIN QFN
98ASA10571D
CASE 1477-02
Top View
16 15 14 13
CREF 1
12 PCM_Y
CREF 2
11 CAP/HOLD
VCC 3
10 DIN
VSS 4
9 VPP
5678
PIN CONNECTIONS
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc. 2010. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MMA6901KQR2 Datasheet

High Accuracy Low g Inertial Sensor

No Preview Available !

MMA6901KQR2 pdf
SECTION 1 INTRODUCTION
1.1 INTRODUCTION
MMA690xQ is a two-axis member of Freescale’s family of SPI-compatible accelerometers. These devices incorporate digital
signal processing for filtering, trim, and data formatting.
1.2 SERIAL COMMUNICATION CONFIGURATION
The serial communication configuration provides a 4-wire SPI interface. Device serial number, acceleration range, filter char-
acteristics, and status information are available along with acceleration data via the SPI.
1.3 BLOCK DIAGRAM
A block diagram illustrating the major components of the design is shown in Figure 1-1.
VPP
VCC
CREG
CREGA
CREGA
CREF
CREF
VSS
VSSA
VOLTAGE
REGULATOR
UNIT
PROGRAMMABLE
DATA ARRAY
REFERENCE
OSCILLATOR
PRIMARY
OSCILLATOR
CLOCK
MONITOR
INTERNAL
CLOCK
CONTROL
LOGIC
SPI
DIN
DOUT
SCLK
CS
CAP/HOLD
g-CELL
(Y)
ΣΔ
CONVERTER
SINC
FILTER
SELF-TEST
INTERFACE
TEMP.
SENSOR
g-CELL
(X)
ΣΔ
CONVERTER
SINC
FILTER
CONTROL
IN
STATUS
OUT
DIGITAL
IN 1 OUT
DSP
TEMP (SEE FIGURE 1-2) Y OUT
IN 0
X OUT
Figure 1-1 Block Diagram
PCM
PCM
PCM_Y
PCM_X
MMA690xQ
2
Sensors
Freescale Semiconductor


Part Number MMA6901KQR2
Description High Accuracy Low g Inertial Sensor
Maker Freescale Semiconductor
Total Page 30 Pages
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