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參數(shù)資料
| 型號： | MMA7455L |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Three Axis Low-g Digital Output Accelerometer |
| 中文描述： | 三三軸低g加速度計的數(shù)字輸出 |
| 文件頁數(shù)： | 24/27頁 |
| 文件大?。?/td> | 530K |
| 代理商： | MMA7455L |
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Sensors
24
Freescale Semiconductor
MMA7455L
Figure 24. Stencil Design Guidelines (detailed dimensions for corner pads)
6. Do not place any components or vias at a distance less
than 2mm from the package land area. This may cause
additional package stress if it is too close to the
package land area.
7. Signal traces connected to pads should be as
symmetric as possible. Put dummy traces on NC pads
in order to have same length of exposed trace for all
pads. Signal traces with 0.1mm width and min. 0.5mm
length for all PCB land pads near the package are
recommended as shown in
Figure 22
,
Figure 23
, and
Figure 24
. Wider trace can be continued after the
0.5mm zone.
8. Use a standard pick and place process and equipment.
Do not us a hand soldering process.
9. It is recommended to use a cleanable solder paste with
an additional cleaning step after SMT mount.
10. Do not use a screw down or stacking to fix the PCB into
an enclosure because this could bend the PCB putting
stress on the package.
11. The PCB should be rated for the multiple lead-free
reflow condition with max 260°C temperature.
Please cross reference with the device data sheet for
mounting guidelines specific to the exact device used.
Freescale LGA sensors are compliant with Restrictions on
Hazardous Substances (RoHS), having halide free molding
compound (green) and lead-free terminations. These
terminations are compatible with tin-lead (Sn-Pb) as well as
tin-silver-copper (Sn-Ag-Cu) solder paste soldering
processes. Reflow profiles applicable to those processes can
be used successfully for soldering the devices.
Stencil opening for 4 corner pads
= 0.625x0.875mm sq.
0.2875mm
0.3375mm
0.875mm
PCB landpad pad
= 0.6x0.9mm
Package
footprint
0.575mm
0.625mm
0.2875mm
0.2875mm
0.875mm
0.050mm offset
Stencil opening for
normal pads =
0.575x0.875
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MMA7455L_08 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:±2g/±4g/±8g Three Axis Low-g Digital Output Accelerometer |
| MMA7455L_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:±2g/±4g/±8g Three Axis Low-g Digital Output Accelerometer |
| MMA7455LR1 | 功能描述:加速計 - 板上安裝 3-AXIS DIGITAL 2 4 8G RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
| MMA7455LR2 | 功能描述:加速計 - 板上安裝 3-AXIS DIGITAL 2 4 8G RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
| MMA7455LT | 功能描述:加速計 - 板上安裝 3-AXIS DIGITAL 2 4 8G RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
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