MAX6675参考设计电路|数字转换器应用电路

MAX6675冷端温度补偿、热电偶数字转换器可进行冷端温度补偿，并将K型热电偶信号转换成数字信号。此篇主要介绍了MAX6675特性、应用范围、参考设计电路以及电路分析，帮助大家缩短设计时间。

MAX6675特性：冷端温度补偿；简单的SPI兼容串行接口；12位、0.25°C分辨率；热电偶开路检测

MAX6675典型应用范围：电器设备；HVAC；工业

MAX6675参考设计应用电路：

图1MAX6675内部结构图

TheMAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple. The data is output in a 12-bit resolution, SPI™-compatible,read-only format.

图2MAX6675参考设计图

TheMAX6675 is a sophisticated thermocouple-to-digital converter with a built-in 12-bit analog-to-digital converter (ADC). The MAX6675 also contains cold-junction compensation sensing and correction, a digital controller,an SPI-compatible interface, and associated control logic.

MAX6675中文数据手册:点击下载

更多原理图及源代码热门应用电路：立刻点击