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Amplifiers

Zero-drift, zero-crossover op amp brings high precision

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Bill as the first operational amplifier (op amp) to offer both zero-drift and zero-crossover technology, the OPA388 maintains high precision across the entire input range for a variety of industrial applications, including test and measurement, medical and safety equipment, and high-resolution data-acquisition systems. Developed by Texas Instruments, the OPA388 realizes ultra-high input linearity and precision. […]

The post Zero-drift, zero-crossover op amp brings high precision appeared first on Analog IC Tips.

Top analog threads on EDAboard.com – January

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(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog IC forum threads.) Converting voltage to resistance – My input is a 0-5 V signal. The voltage in this terminals is between […]

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Top analog threads on EDAboard.com – December

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(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog IC forum threads.) LM386 low noise (hiss) alternative? – I am building a direct conversion (regenerative) receiver that is followed by this […]

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Nano-Power op amp boosts sensing accuracy

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With its tiny 1.2mm x 1.3mm outline and typical current of only 900nA, the TSU111 nano-power op amp from STMicroelectronics helps cut the size and energy needs of analog circuits to the bare minimum in medical monitors, wearable electronics, gas detectors, pH sensors, infrared motion sensors, and payment tags. The TSU111’s extremely low operating current […]

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MMIC amps, wideband switches target radar and test applications

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Microsemi Corporation announced six new monolithic microwave integrated circuit (MMIC) products, including four wideband low noise MMIC amplifiers (MMA040AA , MMA041AA, MMA043AA and MMA044AA) and two wideband gallium arsenide (GaAs) MMIC switches (MMS006AA and MMS008AA). The new MMIC products are ideally suited for test and measurement, electronic warfare and radar applications. “Our new high linearity MMIC amplifiers and switches represent Microsemi’s significant […]

The post MMIC amps, wideband switches target radar and test applications appeared first on Analog IC Tips.

Automotive-specific Class-D audio amplifier eliminates up to 18 external components

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Texas Instruments today introduced the first 2.1-MHz Class-D audio amplifier specifically designed for automotive applications. Supporting high-resolution 96-kHz digital input, the compact TAS6424-Q1 enables high-fidelity audio with low distortion in automotive infotainment applications.  The TAS6424-Q1 enables the use of smaller external filters and eliminates up to 18 external components to reduce system size and cost […]

The post Automotive-specific Class-D audio amplifier eliminates up to 18 external components appeared first on Analog IC Tips.

Top analog threads on EDAboard.com – November

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(editor’s note: Intrigued by the problem? Have a question or optional solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog IC forum threads.) Loop gain greater than 0db  – In a typical feed-forward operational amplifier or for that matter any other […]

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Measuring the linear operating region of instrumentation amplifiers

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by Peter Semig and  Collin Wells, Texas Instruments There are numerous publications from the past two years that discuss the theoretical linear operating region of instrumentation amplifiers. The publications cover the three primary topologies of instrumentation amplifiers: three-op-amp,[1] twoop-amp,[2] and two-op-amp with gain stage,[3] which are shown in Figure 1. Each publication derives the node […]

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FAQ: Should I use an op amp as a comparator?

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Perhaps you have a quad pack of op amps, are using only three, and need a single comparator. It might be tempting to use the remaining op amp as a comparator, after all, both have high gain, low offset, and high common-mode rejection. But it’s easier said than done, because a comparator and an op […]

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FAQ: Converting current to voltage; the role of transimpedance amplifiers

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A transimpedance amplifier (TIA) converts current to voltage. Transimpedance amplifiers can be used to process the current output of photodiodes, pressure transducers, accelerometers, and other types of sensors…

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