ADF4219L
: 过期
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ADF4219L

低功耗双通道RF/IF整数N分频PLL

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: 过期 tooltip
: 过期 tooltip
产品详情
特性
  • 低相位噪声
  • 独立的电荷泵电源VP可提供扩展的调谐范围
  • 2.6 V至3.3 V单电源供电
  • 提供TSSOP和芯片级封装
  • 可编程电荷泵电流
  • 逻辑兼容性:1.8 V
  • 低功耗(总IDD:7.0 mA)
  • 可选双模预分频器值
  • ADF4219L是LMX2370的低相位噪声升级器件
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The ADF4219L Synthesizer IC when combined with a VCO and loop filter forms a complete phased locked loop (PLL). This solution from ADI creates state-of-the-art LO's (local oscillator) for the upconversion and downconversion of RF signals in Wireless applications. The PLL consists of a low noise digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider, programmable A and B counters and a dual-modulus prescaler (P/P+1).


The ADF4217L and ADF4218L are low current consumption improvements on the released ADF4217 and ADF4218 and are available in TSSOP and MLF (LFCSP). The ADF4219L is a Phase Noise upgrade & pin compatible to the LMX2370 from National Semiconductor and is available in both TSSOP and MLF (Cason).


Sales Collateral Available: Full data sheet with performance graphs, press release, circuit simulation included in ADISimPLL Synthesizer released on February 1, 2002, evaluation board and software available.

产品技术资料帮助

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ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

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