概要
説明
The MK2745-21 is a low-cost, low-jitter, high-performance clock synthesizer for DVD and other MPEG 2-based applications. Using analog Phase-Locked Loop (PLL) techniques, the device accepts a 27 MHz fundamental mode crystal or clock input to produce multiple audio output clocks, a processor clock, the processor clock divided by two, 27 MHz, 24.576 MHz, and a selectable audio clock. The audio clocks are frequency-locked to the 27 MHz using our patented zero ppm error techniques. This allows audio and video to track exactly, thereby eliminating the need for large buffer memory. IDT manufactures a large variety of DVD, Set-top Box, and multimedia clock synthesizers for all applications. Consult IDT to eliminate crystals and oscillators from your board.
特長
- Packaged in a 16-pin narrow (150 mil) SOIC
- Ideal for LuxSonor's DVD solutions
- 3.3 V upgrade to the MK2744
- Patented zero ppm audio clock error for 256x and 384x sampling rates
- Selectable audio sampling frequencies support 32, 44.1, and 48 kHz in most DACs
- 27 MHz fundamental crystal or clock input
- Eight selectable processor frequencies
- Fixed clocks of 27 and 24.576 MHz
- Zero ppm in all clocks
- 25 mA output drive capability at TTL levels
- Advanced, low-power, sub-micron CMOS process
- Operating voltage of 3.0 V to 5.5 V
- See also the MK2712 for NTSC/PAL clocks
製品比較
アプリケーション
ドキュメント
ピックアップ
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| 分類 | タイトル | 日時 |
| データシート | PDF 235 KB | |
| EOL通知 | PDF 550 KB | |
| EOL通知 | PDF 547 KB | |
| アプリケーションノート | PDF 150 KB | |
| 製品変更通知 | PDF 254 KB | |
| アプリケーションノート | PDF 231 KB | |
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設計・開発
モデル
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Processing table
| SOIC | 16 | C | Yes | Tube | ||
| SOIC | 16 | C | Yes | Reel |
Tips for Using This Parametric Table:
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- Export button in header: Export the filtered results of the table to an Excel document
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- Hide column button in column headers: Select to hide columns in table
- AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
- Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
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- Cart icon to the right of the chip icon: Indicates that samples are available for this product