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Launch of "MUSES100", the first power supply IC in the "MUSES" series, optimized for high-quality sound

MUSES100

The audio market is demanding dedicated audio devices that can reproduce high-quality sound that is faithful to the original sound and that resonates with the senses.
To meet this demand, Nisshinbo Micro Devices' brand "MUSES" has released a range of high-quality operational amplifiers and audio electronic volume controls, which have received high praise from the market.
Developed to provide even more "true sound," the "MUSES100" series is an optimal power supply IC for audio D/A converters, which continue to demand ever higher sound quality.
In audio equipment that pursues high sound quality, it is important to reduce noise. The "MUSES100" series achieves ultra-low noise characteristics with an output noise voltage of 3.0μVrms and a high ripple rejection rate of 90dB (f=10kHz). The package used is DFN3030-8-GQ (3.0×3.0×0.75mm).

Features

1. The first high quality power supply IC in the MUSES series for high-end audio equipment

The "MUSES100" series applies the high quality sound technology cultivated in the MUSES series to power supply ICs, making it easy to build systems that prioritize sound quality.

2. Low output noise voltage and high ripple rejection

The "MUSES100" series achieves the ultra-low output noise voltage and high ripple rejection required for high quality audio.

Output noise voltage: Typ. 3.0 μVrms (Iout = 50 mA, C NR  = 0.47 μF)
Ripple rejection ratio: Typ. 90 dB (Iout = 100 mA, f = 10 kHz, C NR  = 0.47 μF)

This product is equipped with a noise reduction (NR) terminal. By connecting a noise reduction capacitor (C NR) as close as possible between the NR terminal and the GND terminal, it achieves an excellent low output noise voltage and high ripple rejection rate.

Output Noise Voltage
Output noise voltage characteristic example
Ripple Rejection Rate
Ripple rejection ratio characteristic example

3. Small, high heat dissipation package

The package used is the small, high heat dissipation DFN3030-8-GQ package, which is ideal for portable audio equipment and products that require high-density mounting.

Detailed information

The features and benefits of this product are listed in the CVP sheet.

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