Greg Hardy

  1. Asynchronous Sample Rate Converter

    NPC's NEW Asynchronous Sample Rate Converter SM5950AM 

    Nippon Precision Circuits Inc. (NPC) announces the SM5950AM, a low supply voltage(3.3V) asynchronous sample rate converter capable of converting signals sampled at 24bit/96kHz, and its sample shipping.  The SM5950AM is designed to output signals of various sample rates, since a wide range of sample rates are often employed in Digital Audio applications.SM59

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  2. Stereo Headphone Amplifier IC

    Low Voltage, Low Current Consumption
    Stereo Headphone Amplifier IC with Built-in Electronic Volume

    The SM6453AB is a Stereo Headphone Amplifier IC with 3-wire Serial Data Controlled Volume suitable for portable audio equipments.SM6453AB

    The SM6453AB assembles the input signal switching, volume adjustment, bass boost function and headphone amplifier in one-chip, and enables to make the sound output circuit simplified. This IC controls the volume

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  3. Industry's First Multi-channel DSD to PCM Converter LSI for 6-channel SACD Playback

    Industry's First Multi-channel DSD to PCM Converter LSI for 6-channel SACD Playback

    Nippon Precision Circuits Inc. (NPC) announces the development of SM5816AF*, the industry's first multi-channel DSD (Direct Stream Digital) to PCM (Pulse Code Modulation) converter LSI for 6-channel SACD (Super Audio CD) playback, and starts its sample shipping.

    DSD is the SACD signal format of a 1-bit signal stream of 64-times CD sampling-rate. By using NPC's dedicated signal processing technology, the SM58

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  4. PCM Converter for Super Audio CD Playback

    Multi-channel DSD to PCM Converter LSI for 6-channel Super Audio CD Playback Development

    Nippon Precision Circuits Inc. announces the development of SM5819AF, multi-channel DSD (Direct Stream Digital) to PCM (Pulse Code Modulation) converter LSI for 6-channel Super Audio CD playback.*1

    DSD is the Super Audio CD signal format of a 1-bit signal stream of 64-times CD sampling rate. By using NPC's dedicated signal processing technology, the SM5819AF performs a real time conversion from a 6-channel DSD signal to a 6-channel PCM signal of 4-times, 2-times or 1-times CD sampling rate in one chip. 
     

    The conversion characteristics

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  5. Video Buffer with Low pass filter

     SM5304AV 1-channel Video Buffer with Variable Lowpass Filter Built-in released to production. 

    Expanding on NPC SM5300 and SM5301 video buffer products, the SM5304 offers a low cost single channel version with 0/6/12 12 db switchable gain, 2 to 10MHz cutoff frequeny, low pass filter and Sag compensation circuits built-in.SM5304AV

    The devices meet a wide range of high-resolution and high image quality requirements for video projection and display or legacy and HD formats.

    The SM5304AV is a 1-channel analog lowpass filter IC with buffer amplifier built-in for widely popular composite-terminal video signal input/outputs. It has an 8

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