概要
説明
The MK3727H is a low-drive, low-cost, single-output 3.3V Voltage Controlled Crystal Oscillator (VCXO) and PLL clock synthesizer designed to replace expensive VCXOs and crystals. The patented on-chip VCXO accepts a 0V to 3.3V input voltage to cause the output clocks to vary by ±115ppm minimum. Using our analog Phase-Locked Loop (PLL) techniques, the devices use an external, fundamental mode 13.5MHz pullable crystal input to produce output clocks of 27MHz. The drive parameters are optimized for low EMI. The frequency of the on-chip VCXO is adjusted by an external control voltage input into pin VIN. Because VIN is a high-impedance input, it can be driven directly from a PWM RC integrator circuit.
特長
- Packaged in an 8-pin SOIC
- Operating voltage of 3.3 V (±5%)
- Single pullable output clock of 24MHz to 36MHz
- Uses a fundamental mode 12MHz to 18MHz pullable crystal
- On-chip patented VCXO with pull range of 230ppm (minimum)
- VCXO tuning voltage of 0V to 3.3V
- Low-drive output stage to reduce EMI
- Advanced, low-power, sub-micron CMOS process
- RoHS 5 (green) or RoHS 6 (green and lead free) compliant package
製品比較
アプリケーション
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| 分類 | タイトル | 日時 |
| データシート | PDF 233 KB | |
| アプリケーションノート | PDF 334 KB | |
| アプリケーションノート | PDF 222 KB | |
| アプリケーションノート | PDF 218 KB | |
| アプリケーションノート | PDF 155 KB | |
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設計・開発
モデル
ECADモデル
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Processing table
| SOIC | 8 | C | Yes | Tube | ||
| SOIC | 8 | C | Yes | Reel |
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