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參數(shù)資料
| 型號： | MC56F8006VWL |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 75/106頁 |
| 文件大?。?/td> | 0K |
| 描述： | DSC 16K FLASH 32MHZ 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 26 |
| 系列： | 56F8xxx |
| 核心處理器： | 56800E |
| 芯體尺寸： | 16-位 |
| 速度： | 32MHz |
| 連通性： | I²C，LIN，SCI，SPI |
| 外圍設(shè)備： | LVD，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 23 |
| 程序存儲器容量： | 16KB（8K x 16） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 1K x 16 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 15x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 105°C |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 734 (CN2011-ZH PDF) |
| 配用： | MC56F8006DEMO-ND - DEMO BOARD FOR MC56F8006 APMOTOR56F8000E-ND - KIT DEMO MOTOR CTRL SYSTEM |
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MC56F8006/MC56F8002 Digital Signal Controller, Rev. 4
Design Considerations
Freescale Semiconductor
70
9
Design Considerations
9.1
Thermal Design Considerations
An estimation of the chip junction temperature, TJ, can be obtained from the equation:
TJ = TA + (RJ x PD)
Eqn. 3
where:
The junction-to-ambient thermal resistance is an industry-standard value that provides a quick and easy estimation of thermal
performance. Unfortunately, there are two values in common usage: the value determined on a single-layer board and the value
obtained on a board with two planes. For packages such as the PBGA, these values can be different by a factor of two. Which
value is closer to the application depends on the power dissipated by other components on the board. The value obtained on a
single layer board is appropriate for the tightly packed printed circuit board. The value obtained on the board with the internal
planes is usually appropriate if the board has low-power dissipation and the components are well separated.
When a heat sink is used, the thermal resistance is expressed as the sum of a junction-to-case thermal resistance and a
case-to-ambient thermal resistance:
RJA = RJC + RCA
Eqn. 4
where:
RJC is device related and cannot be adjusted. You control the thermal environment to change the case to ambient thermal
resistance, RCA. For instance, you can change the size of the heat sink, the air flow around the device, the interface material,
the mounting arrangement on printed circuit board, or change the thermal dissipation on the printed circuit board surrounding
the device.
To determine the junction temperature of the device in the application when heat sinks are not used, the thermal characterization
parameter (
JT) can be used to determine the junction temperature with a measurement of the temperature at the top center of
the package case using the following equation:
TJ = TT + (JT x PD)
Eqn. 5
where:
The thermal characterization parameter is measured per JESD51–2 specification using a 40-gauge type T thermocouple epoxied
to the top center of the package case. The thermocouple should be positioned so that the thermocouple junction rests on the
package. A small amount of epoxy is placed over the thermocouple junction and over about 1 mm of wire extending from the
TA
=
Ambient temperature for the package (oC)
RJ
=
Junction-to-ambient thermal resistance (oC/W)
PD
=
Power dissipation in the package (W)
RJA
=
Package junction-to-ambient thermal resistance (°C/W)
RJC
=
Package junction-to-case thermal resistance (°C/W)
RCA
=
Package case-to-ambient thermal resistance (°C/W)
TT
=
Thermocouple temperature on top of package (oC)
JT
=
Thermal characterization parameter (oC/W)
PD
=
Power dissipation in package (W)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC56F8006VWL | 制造商:Freescale Semiconductor 功能描述:IC DSC 16BIT 16KB 32MHZ 3.6V SOIC-28 |
| MC56F8006VWLR | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT DSPHC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| MC56F8011 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8011VFAE | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT DSPHC ANGUILLA RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| MC56F8013 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
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