Tag Archives: MAXIM integrated

App note: Miniature, precision negative reference requires no precision resistors

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an_maxim_AN824

App note from Maxim Integrated creating voltage negative reference from charge-pump inverter plus positive voltage reference combo. Link here (PDF)

This application note discusses how to build a negative voltage reference without using external resistors or a negative supply by simply combining a simple charge-pump inverter and a positive output voltage reference.

App note: Challenge and Response with 1-Wire® SHA Devices

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an_maxim_AN190

Another app note from Maxim Integrated about challenge-response security on 1-wire devices. Link here (PDF)

Challenge-response can be a secure way of protecting access to any privileged material if implemented correctly. In this document, many options for challenge-response access control are discussed but the most secure method given is presenting a different random challenge on each access attempt and having a response that only the host can interpret without giving out any secrets. This document shows why Maxim’s SHA-1 iButtons® and 1-Wire devices are ideal choices when implementing this kind of challenge-response system

App note: Modern thermocouples and a high-resolution DeltaSigma ADC enable high-precision temperature measurement

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an_maxim_AN5032

Old app note from Maxim Integrated about high-precision temperature measurement. Link here (PDF)

Many industrial and medical applications require temperature measurements with accuracies of ±1°C or better, performed with reasonable cost over a wide range of temperatures (-270°C to +1750°C), and often with low power consumption. Properly selected, standardized, modern thermocouples paired with high-resolution ADC data acquisition systems (DASs) can cover this wide temperature range and ensure reproducible measurements, even in the harshest industrial environments.

App note: Sterilization methods and their impact on medical devices containing electronics

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App note from Maxim Integrated on electronic devices sterilization. Link here (PDF)

Although there is considerable literature about sterilization methods and equipment, there is very little written about the impact of sterilization on electronics. This article compares popular sterilization methods and discusses their suitability for objects containing electronics.

App note: Fundamentals of operation and recent developments of class D amplifiers

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an_maxim_AN3977

Good read about class D amplfiers from MAXIM Integrated. Link here (PDF)

A Class D amplifier’s high efficiency makes it ideal for portable and compact high-power applications. Traditional Class D amplifiers require an external lowpass filter to extract the audio signal from the pulse-width-modulated (PWM) output waveform. Many modern Class D amplifiers, however, utilize advanced modulation techniques that, in various applications, both eliminate the need for external filtering and reduce electromagnetic interference (EMI). Eliminating external filters not only reduces board-space requirements, but can also significantly reduce the cost of many portable/compact systems.