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SM5844AF データシート

部品番号コンポーネント説明メーカー
SM5844AF Asynchronous Sample Rate Converter NPC
Nippon Precision Circuits  NPC
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OVERVIEW
The SM5844AF is a digital audio signal, asynchronous sample rate converter LSI. It reads 16 or 20-bit word length input data, and writes 16, 18, or 20-bit word length output data. It also features a built-in digital deemphasis filter and digital attenuator.
The SM5844AF operates from a 5 V supply, and is available in 44-pin QFPs.

FEATURES
Functions
■ Left/right-channel processing (stereo)
■ Input sample rate (fsi) ranges
    • 24 to 48 kHz (256fsi mode)
    • 27 to 55 kHz (384fsi mode)
■ Output sample rate (fso) range
    • 20 to 100 kHz
■ Sample rate conversion ratio (fso/fsi)
    • 0.5 to 2.0 times
■ Asynchronous input and output timing (clock inputs)
■ System clock inputs (input and output clocks independent)
    • 256fsi or 384fsi input system clock
    • 256fso or 384fso output system clock
■ Deemphasis filter
    • IIR-type filter
    • 44.1, 48 or 32 kHz
■ Digital attenuator
    • 11-bit data for 1025 levels
    • Smooth, incremental attenuation change
    • +12 dB gain shift function
■ Direct mute function
■ Through mode operation
    • Input to output direct
■ Output data clocks (LRCO, BCKO)
    • External input (slave mode)
    • Output system clock generated internally (master mode)
■ CMOS-level input/outputs
■ 5 V (standard) single supply
■ 44-pin QFP
■ Molybdenum-gate CMOS process

APPLICATIONS
■ Digital audio equipment, sample rate conversion (audiovisual amplifiers, CD-R, DAT, MD and 8 mm VTRs)
■ Commercial recording/editing equipment, sample rate conversion
■ Input data jitter elimination

 

SM5844AF に関連する他のメーカーを検索

部品番号コンポーネント説明PDFメーカー
AD1896 192 kHz Stereo Asynchronous Sample Rate Converter ビュー Analog Devices
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SRC4184 4-Channel, Asynchronous Sample Rate Converter ビュー Burr-Brown -> Texas Instruments
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SRC4192 192kHz Stereo Asynchronous Sample Rate Converters ビュー Burr-Brown -> Texas Instruments
SRC4192 192-kHz Stereo Asynchronous Sample-Rate Converters ビュー Texas Instruments
SRC4192 192kHz Stereo Asynchronous Sample Rate Converters ビュー Texas Instruments
AD1890 SamplePort Stereo Asynchronous Sample Rate Converters ビュー Analog Devices
CDB8420 Digital Audio Sample Rate Converter ビュー Cirrus Logic

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