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NB2760A: 3.3 V / 2.5 V Low Power, Reduced EMI Clock Synthesizer

Datasheet: Low Power, Reduced EMI Clock Synthesizer
Rev. 4 (159.0kB)
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Product Overview
製品説明
The NB2760A is a versatile spread spectrum frequency modulator designed specifically for a wide range of clock frequencies. The NB2760A reduces ElectroMagnetic Interference (EMI) at the clock source, allowing system wide reduction of EMI of all clock dependent signals. The NB2760A allows significant system cost savings by reducing the number of circuit board layers, ferrite beads and shielding that are traditionally required to pass EMI regulations.
The NB2760A uses the most efficient and optimized modulation profile approved by the FCC and is implemented by using a proprietary all digital method.
The NB2760A modulates the output of a single PLL in order to "spread" the bandwidth of a synthesized clock, and more importantly, decreases the peak amplitudes of its harmonics. This results in significantly lower system EMI compared to the typical narrow band signal produced by oscillators and most frequency generators. Lowering EMI by increasing a signal's bandwidth is called 'spread spectrum clock generation'.
The NB2760A is targeted towards all portable devices with very low power requirements like MP3 players and digital still cameras.
特長
 
  • Generates an EMI Optimized Clocking Signal at the Output
  • Integrated Loop Filter Components
  • Operates with a 3.3V / 2.5V Supply
  • Operating Current typically less than 4.0 mA
  • Low Power CMOS Design
  • Input Frequency Range: 6.0 MHz to 12 MHz for 2.5V; 6.0 MHz to 13 MHz for 3.3
  • Generates a 1X Low EMI Spread Spectrum clock of the Input Frequency
  • Frequency Deviation 0.65% @ 8MHz
  • Available in TSOP-6 Package (TSOT-23-6)
  • Pb-Free Package is Available
アプリケーション
  • ElectroMagnetic Interference reduction in portable and consumer applications.
  • Reduction of system clock noise to meet FCC regulations.
技術資料 & デザイン・リソース
データシート (1) 評価ボード文書 (1)
パッケージ図 (1)  
評価/開発ツール情報
製品 状態 Compliance 簡単な説明 アクション
EMITSOP6EVB Intro Pending
NB2XXXA EMI Evaluation Board
供給状況 & サンプル
製品
状態
Compliance
内容
外形
MSL*
梱包形態
予算 価格/Unit
タイプ
Case Outline
タイプ
数量
NB2760ASNR2G Consult Sales Office
Pb-free
3.3 V / 2.5 V Low Power, Reduced EMI Clock Synthesizer TSOP-6 318G-02 1 Tape and Reel 2500  
NB2760ASNR2 Obsolete
3.3 V / 2.5 V Low Power, Reduced EMI Clock Synthesizer TSOP-6 318G-02 1 Tape and Reel 2500  
面実装デバイスためのモイスチャー・レベル(260°Cリフローでの鉛フリー測定、235°Cリフローでの鉛フリー以外測定)
マーケットリードタイム(週) : Contact Factory
マーケットリードタイム(週) : Contact Factory
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