MMA6855QR2 반도체 회로 부품 판매점
Single Axis SPI Inertial Sensor
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 Freescale Semiconductor |
Freescale Semiconductor
Technical Data
Single Axis SPI Inertial Sensor
MMA685x is a SPI-based, single axis, medium-g, over-damped lateral
accelerometer designed for use in automotive airbag systems.
Features
• ±20g to ±120 g full-scale range
• 3.3 V or 5 V single supply operation
• SPI-compatible serial interface
• 10-bit digital signed or unsigned SPI data output
• Programmable arming functions
• Twelve low-pass filter options, ranging from 50 Hz to 1000 Hz
• Optional offset cancellation with > 6s averaging period and < 0.25 LSB/s slew
rate
• Pb-Free 16-Pin QFN-6x6 Package
Referenced Documents
• AEC-Q100, Revision G, dated May 14, 2007
MMA685x
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MMA685x
SINGLE AXIS SPI INERTIAL SENSOR
Bottom View
16-PIN QFN
CASE 1477-02
Top View
Device
MMA6851QR2
MMA6852QR2
MMA6853QR2
MMA6854QR2
MMA6855QR2
MMA6856QR2
ORDERING INFORMATION
Axis
Axis Range
X ±25g
X ±35g
X ±50g
X ±75g
X ±120g
X ±60g
Shipping
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
16 15 14 13
VREGA 1
VSS 2
VREG 3
VSS 4
17
567
12 CS
11 MOSI
10 SCLK
9 VCC
8
PIN CONNECTIONS
© Freescale Semiconductor, Inc., 2010. All rights reserved.
VCC
VCC
CS
VREG
SCLK
VREGA
MOSI
MISO
C1 C2 C3
MMA685x
VSSA
VSS
VPP/TEST
ARM
CS_A
CS_D
SCLK1
SCLK2
MOSI1
MOSI2
MISO1
MISO2
Main MCU
www.DataSheet4U.com
CS
SCLK
MOSI
MISO
Deployment IC
DEPLOY_EN
Figure 1. Application Diagram
Table 1. External Component Recommendations
Ref Des
C1
C2
C3
Type
Ceramic
Ceramic
Ceramic
Description
0.1 μF, 10%, 10 V Minimum, X7R
1 μF, 10%, 10 V Minimum, X7R
1 μF, 10%, 10 V Minimum, X7R
Purpose
VCC Power Supply Decoupling
Voltage Regulator Output Capacitor (CREG)
Voltage Regulator Output Capacitor (CREGA)
Device Orientation
X: 0g
X: +1g
X: 0g
xxxxxxx
xxxxxxx
X: -1g
X: 0g
EARTH GROUND
Figure 2. Device Orientation Diagram
X: 0g
MMA685x
2
Sensors
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MMA6855QR2 sensor
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
