参数资料
型号: MC56F8036VLF
厂商: Freescale Semiconductor
文件页数: 58/164页
文件大小: 0K
描述: IC DGTL SGNL CTLR 16BIT 48-LQFP
标准包装: 1,250
系列: 56F8xxx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 32MHz
连通性: CAN,I²C,SCI,SPI
外围设备: POR,PWM,WDT
输入/输出数: 39
程序存储器容量: 64KB(32K x 16)
程序存储器类型: 闪存
RAM 容量: 4K x 16
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 10x12b; D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 105°C
封装/外壳: 48-LQFP
包装: 托盘
产品目录页面: 734 (CN2011-ZH PDF)
56F8036 Data Sheet, Rev. 6
150
Freescale Semiconductor
Part 12 Design Considerations
12.1 Thermal Design Considerations
An estimation of the chip junction temperature, TJ, can be obtained from the equation:
TJ = TA + (RθJΑ x PD)
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:
RθJA = RθJC + RθCA
where:
RθJC is device related and cannot be influenced by the user. The user controls the thermal environment to
change the case to ambient thermal resistance, RθCA. For instance, the user 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 (
Ψ
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 + (ΨJT x PD)
where:
TA
=
Ambient temperature for the package (oC)
RθJΑ = Junction-to-ambient thermal resistance (
oC/W)
PD
=
Power dissipation in the package (W)
RθJA = Package junction-to-ambient thermal resistance (°C/W)
RθJC = Package junction-to-case thermal resistance (°C/W)
RθCA = Package case-to-ambient thermal resistance (°C/W)
TT
=
Thermocouple temperature on top of package (oC)
Ψ
JT
=
Thermal characterization parameter (oC/W)
PD
=
Power dissipation in package (W)
相关PDF资料
PDF描述
MC56F8037VLH IC DSP 16BIT DUAL 64-LQFP
MC56F8135VFGE IC DIGITAL SIGNAL CTLR 128-LQFP
MC56F8147VPYE IC DSP 16BIT 40MHZ 160-LQFP
MC56F8155VFGE IC DSP 16BIT 40MHZ 128-LQFP
MC56F8156VFVE IC DSP 16BIT 40MHZ 144-LQFP
相关代理商/技术参数
参数描述
MC56F8036VLF 制造商:Freescale Semiconductor 功能描述:IC DSC 64KB 32MHZ 3.6V LQFP-48
MC56F8037 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
MC56F8037EVM 功能描述:开发板和工具包 - 其他处理器 MC56F8037 EVAL BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压:
MC56F8037EVM 制造商:Freescale Semiconductor 功能描述:MC56F8037 EVALUATION BRD
MC56F8037MLH 功能描述:数字信号处理器和控制器 - DSP, DSC 16 BIT DSPHC RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT