LMX2571NJKT

Phase Locked Loops - PLL LP Synthesizer w/FSK Modulation
4,024 有效庫存

LMX2571NJKT

有效庫存4,024

Phase Locked Loops - PLL LP Synthesizer w/FSK Modulation

  • 製造商零件號 # : LMX2571NJKT

  • 包裝/封裝: WQFN-36

  • 製造商: Texas Instruments

  • 產品分類 : Clock Generators, PLLs, Frequency Synthesizers

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LMX2571NJKT 數據表

價格 (USD)

數量 單價 總價
1 $10.247 $10.25
10 $9.800 $98.00
30 $9.026 $270.78
100 $8.352 $835.20

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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詳細說明

The LMX2571NJKT by Texas Instruments is a top-of-the-line frequency synthesizer designed for high-performance wireless communication applications. With a frequency range spanning from 10 MHz to 6 GHz, this device offers unparalleled versatility for a wide range of RF systems. Its fractional-N PLL technology, coupled with an integrated VCO, delivers exceptional phase noise performance and precise frequency resolution, ensuring optimal signal quality in demanding environments. The flexible RF output divider allows for easy customization of output frequencies, catering to different system requirements with ease. Whether operating in integer or fractional frequency synthesis modes, the LMX2571NJKT provides reliable and accurate frequency generation capabilities, making it ideal for advanced communication systems. Its seamless integration with microcontrollers and digital devices via a serial interface simplifies configuration and control, enabling seamless operation in complex RF setups. Additionally, the programmable output power levels offer further flexibility, allowing users to adjust power settings as needed to meet specific application demands

主要特徵

  • Ultra Low Power Consumption
  • Minimal Phase Noise
  • Arbitrary Frequency Selection

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Integrated VCO Yes Output frequency (min) (MHz) 10
Output frequency (max) (MHz) 1344 Normalized PLL phase noise (dBc/Hz) -231
Current consumption (mA) 39 Features FSK modulation, Integer-boundary spurs (IBS) removal, Integrated VCO, Wideband
1/f noise (10-kHz offset at 1-GHz carrier) (dBc/Hz) -124 Rating Catalog
Operating temperature range (°C) -40 to 85 Lock time (µs) (typ) 0.00014

Specification Comparison

LMX2571NJKT vs LMX2572RHAR vs LMX2572RHAT LMX2572LPRHAT vs LMX2571NJKT vs LMX2572LPRHAR

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 LMX2571NJKT PDF 下載

常見問題解答

What is LMX2571NJKT?

The LMX2571NJKT is a high-performance, wideband frequency synthesizer designed by Texas Instruments. It is ideal for applications requiring high-frequency synthesis with low phase noise and fast hop times, such as wireless infrastructure, radar systems, and test and measurement equipment.

How Does LMX2571NJKT Work?

The LMX2571NJKT works by generating high-frequency signals with precise frequency and phase control. It utilizes a PLL (Phase-Locked Loop) architecture combined with an integrated VCO (Voltage-Controlled Oscillator) to achieve wideband and low phase noise performance. The synthesizer features a flexible interface for easy configuration and control.

How Many Pins does LMX2571NJKT have and What are the Functions of the Pinout Configuration?

The LMX2571NJKT is housed in a 32-pin VQFN (Very Thin Quad Flat No-Lead) package. The pinout configuration includes:

  • VDD: Power supply pin for the digital core and IO.
  • GND: Ground pin.
  • XO, YO: Crystal oscillator input and output pins.
  • RFIN: RF input pin for the PLL.
  • N/C: No connect pin.
  • SPI: Serial peripheral interface for configuration and control.
  • RFP, RFA, RFS, RFB: Auxiliary RF outputs for frequency hopping applications.
  • VCOIN: VCO input pin.

What are the Pros and Cons of LMX2571NJKT?

Pros:

  • Wideband Frequency Synthesis: Capable of generating high-frequency signals with low phase noise.
  • Fast Hop Times: Enables rapid frequency switching for agile systems.
  • Flexible Interface: Supports a serial interface for easy configuration and control.
  • Integrated VCO: Features an integrated voltage-controlled oscillator for simplified design.
  • Low Power Consumption: Operates with low power, suitable for power-sensitive applications.

Cons:

  • Complexity: Requires careful consideration of layout, decoupling, and grounding for optimal performance.
  • External Components: May require external components for specific applications or frequency bands.
  • Cost: High-performance frequency synthesizers like the LMX2571NJKT may have a higher cost compared to lower-performance alternatives.

Are There Any Equivalents/Alternatives to LMX2571NJKT for Recommendation?

  • The ADF4355-3 from Analog Devices is a similar wideband frequency synthesizer with integrated VCO.
  • Alternatives to the LMX2571NJKT include the HMC830LP6GE from Analog Devices and the MAX2871 from Maxim Integrated.

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