Abstract: When using an external thermal diode to measure temperature, the accuracy of the temperature measurement depends on the characteristics of the external diode. Two critical...

How to Interpret DS1847/DS1848 Temperature Readings Abstract: The DS1847 and DS1848 have...

Abstract: The DS1852 is a digital potentiometer with five analog inputs that can be used in conjunction with the potentiometers to gather feedback information about an analog system, as well as provide analog control functions. Its intende...

Abstract: The applications for the Thermochron range from shipping monitoring of perishable goods or containers of temperature-sensitive chemicals to process verification. The authenticity of the temperature measurements are important sinc...

Abstract: A circuit is shown that allows a MAX6650 fan speed regulator IC to control a high-voltage fan on the other side of an isolation barrier. Chips are available to monitor and control ventilation fans. Less common a...

Abstract: The DS1854, DS1857, and DS1858 monitor VCC, ambient temperature, and external analog inputs. This application note explains how to interpret the values stored in the Main Device SRAM and translate them into temperature and voltag...

Abstract: This in-depth article covers the theory behind a Delta-Sigma analog-to-digital converter (ADC). It specifically focuses on the difficult to understand key digital concepts of over-sampling, noise shaping, and decimation filtering...

Abstract: A simple circuit that allows a 4mA–20mA to power an analog temperature sensor. This circuit uses an analog temperature sensor, op amp, transistor, and low-dropout linear regulator to provide a 4mA–20mA outpu...

Abstract: This article describes a thermoelectric cooler (TEC) temperature controller designed for maintaining the temperature of a laser diode (or other components) within 0.1°C This article describes a thermoelectric c...

Abstract: The MAX1253/54 and MAX1153/54 system monitors are a low cost solution for monitoring multiple temperatures in a system. This application note explains how to measure temperature using remote sensing diodes in single-ended or diff...

Abstract: The design and implementation of a temperature logging circuit for under-the-hood use is described. Measurement results from the completed circuit are presented. Download SoftwareThe rewarding pursuit of...

Abstract: A pair of temperature switches control a thermal disconnect circuit for system temperature protection. The circuit "crowbars" the power supply when excessive temperature is detected by the thermal switches. A te...

Abstract: The DS1847/DS1848 dual temperature-controlled nonvolatile (NV) variable resistors consist of two 256-position linear variable resistors and a direct-to-digital temperature sensor. The device is capable of setting and temperature-...

Abstract: Before it can accurately measure temperatures, the DS2422 needs to undergo a two-point trim. For the highest level of accuracy, this trim needs to take place as late as possible, i.e., with the end product that the DS2422 resides...

摘要：本文介紹了一種將低電壓PWM信號轉換成放大、緩沖后的線性輸出的電路，適用于風扇速度控制，允許在3.3V輸入時提供12V風扇的線性控制。 Maxim提供各種PWM輸出的...

摘要：對于那些想要測量系統中溫度的設計師來說，有多種技術可供選用。熱敏電阻、熱電偶、RTD及溫度傳感器IC，它們在特定情況下都具有相應的優勢及劣勢。本文對當前幾種最常...

Abstract: This application note demonstrates how to make a simple system that monitors temperature and analog voltages remotely. On meeting certain alarm conditions, the system can send SMS messages, which are then converted to E-mail and ...

摘要：MAX6650和MAX6651是利用風扇轉速反饋控制無刷直流風扇轉速的風扇轉速調節器，典型應用中，風扇一般采用5V至12V供電。本應用筆記主要介紹如何利用MAX6650和MAX6651控制高壓風扇...

摘要：利用電橋電路精確測量電阻及其它模擬量的歷史已經很久遠。本文講述電橋電路的基礎并演示如何在實際環境中利用電橋電路進行精確測量，文章詳細介紹了電橋電路應用中...

Abstract: A temperature-sensor chip is powered by the Tx channel of an RS-232 interface chip, and the signal (a squarewave with frequency proportional to the sensor-package temperature) is returned via the Rx channel. A s...