MAX2871 - 23.5MHz to 6000MHz Fractional/Integer-N Synthesizer/VCO

MAX2871是Maxim美信半导体公司的一款无线与RF产品，MAX2871是23.5MHz to 6000MHz Fractional/Integer-N Synthesizer/VCO，本站介绍了MAX2871的封装应用图解、特点和优点、功能等，并给出了与MAX2871相关的Maxim元器件型号供参考。

MAX2871 - 23.5MHz to 6000MHz Fractional/Integer-N Synthesizer/VCO - 无线与RF - High-Performance, Wide-Frequency PLL with Integrated VCOs Simplifies Signal Chain and Improves Performance - 美信半导体

产品概述

The MAX2871 is an ultra-wideband phase-locked loop (PLL) with integrated voltage control oscillators (VCOs) capable of operating in both integer-N and fractional-N modes. When combined with an external reference oscillator and loop filter, the MAX2871 is a high-performance frequency synthesizer capable of synthesizing frequencies from 23.5MHz to 6.0GHz while maintaining superior phase noise and spurious performance.

The ultra-wide frequency range is achieved with the help of multiple integrated VCOs covering 3000MHz to 6000MHz, and output dividers ranging from 1 to 128. The device also provides dual differential output drivers, which can be independently programmed to deliver -1dBm to +8dBm output power. Both outputs can be muted by either software or hardware control.

The MAX2871 is controlled by a 3-wire serial interface and is compatible with 1.8V control logic. The device is available in a lead-free, RoHS-compliant, 5mm x 5mm, 32-pin TQFN package, and operates over an extended -40°C to +85°C temperature range.

The MAX2871 has an improved feature set and better overall phase noise and is fully pin- and software-compatible with the MAX2870.

关键特性

以下关键特性由Maxim美信半导体提供：

Output Binary Buffers/Dividers Enable Extended Frequency Range

Divider Ratios of 1/2/4/8/16/32/64/128

23.5MHz to 6000MHz

High-Performance Phase Frequency Detector (PFD) and Reference Frequency Reduces Spectral Noise

PFD Up to 140MHz

Reference Frequency Up to 210MHz

Low Normalized Inband Phase Noise of -230dBc/Hz Reduces System Noise Floor Contribution

Manual or Automatic VCO Selection Permits Fast Switching

Output Phase Reset and Adjustment Allow Synchronization of Multiple Synthesizers

On-Chip Temperature Sensor with 7-Bit ADC Ensures Optimum VCO Selection

Cycle Slip Reduction and Fast Lock Features Improve Accuracy and Acquisition Time

VCO Lock Maintained Over Entire Temperature Range Provides Glitch-Free Operation

Dual Differential Programmable Outputs Maximize Flexibility of Use

热门应用

时钟发生器

微波无线装置

测试与测量

无线基础设施

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