Piezo Element Amplifier for Guitar and Violin
Sensor

Piezo Element Amplifier for Guitar and Violin

The board presented here is a preamplifier for contact microphones that are used for amplifying the sound of musical instruments which do not contain electrical pickups, such as guitar and violins. Most contact microphones use a piezo element to convert vibration in the body of the...

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Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output
Test/Measurements

Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output

The project presented here is a high common-mode current sense amplifier with two high-speed comparators to detect out-of-range current conditions. The comparators are configured to detect and respond to dual over current conditions. These devices feature an adjustable limit threshold...

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Monolithic Power Systems (MPS) MP7758 Audio Amplifiers
IC

Monolithic Power Systems (MPS) MP7758 Audio Amplifiers

Monolithic Power SystemsMP7758 Audio Amplifiers are inductor less, fixed frequency, analog input Class-D audio amplifiers that drives power stereo speakers in a bridge-tied load configuration. These amplifiers are completely integrated thus reducing the solution size. The MP7758 audio...

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Maxim Integrated MAX98361 Plug-and-Play Digital Class-D Amplifiers
IC

Maxim Integrated MAX98361 Plug-and-Play Digital Class-D Amplifiers

Maxim Integrated MAX98361 Plug-and-Play Digital Class-D Amplifiers are easy-to-use, low-cost, digital pulse-code modulation (PCM) input amplifiers featuring industry-leading, Class-AB audio performance with Class-D efficiency. The MAX98361 has a digital audio interface that...

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SPI Programmable-Gain Amplifier with Input VOS Trim and Output OPAMP
Test/Measurements

SPI Programmable-Gain Amplifier with Input VOS Trim and Output OPAMP

The project presented here is an SPI programable Gain Amplifier using MAX9939. The MAX9939 is a general-purpose, differential-input programmable-gain amplifier (PGA) that is ideal for conditioning a variety of wide dynamic range signals such as those found in motor current-sense,...

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STMicroelectronics TSC200 Current Sense Amplifier
Sensor

STMicroelectronics TSC200 Current Sense Amplifier

STMicroelectronics TSC200 Current Sense Amplifier is a high-side current sense amplifier that delivers an analog voltage output. It can sense current via a shunt resistor over a wide range of common-mode voltages, from -16V to +80V, whatever the supply voltage is. It is available with...

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INA350 – Tiny and low-power (100 µA) selectable gain instrumentation amplifier
IC

INA350 – Tiny and low-power (100 µA) selectable gain instrumentation amplifier

INA350 is a selectable-gain instrumentation amplifier that offers four gain options across INA350ABS and INA350CDS variants available in small packages. INA350ABS has gain options of 10 or 20 and INA350CDS has gain options of 30 or 50. These gain options can be selected by toggling the...

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Dual 40W Audio Power Amplifier with Mute
Audio

Dual 40W Audio Power Amplifier with Mute

The stereo audio amplifier project shown here is capable of delivering typically 40W per channel continuous average output power into an 8Ω load with less than 0.1% (THD+N). The project is built using an LM4766 chip from Texas Instruments, The performance of the LM4766, utilizing its...

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