[原创] ADI AD9652双路16位310MSPS模数转换(ADC)方案

ADI公司的AD9652是双路16位取样速率高达310MSPS的模数转换器(ADC),双路ADC核具有多级流水线架构和输出误差修正逻辑,输入频率范围高达465MHz,极低的噪音-157.6dBFS,SFDR超过85dBFS,通路间隔离/串扰90dB,主要用在军用雷达和通信,多模式数字接收器(3G或4G), 测试测量和智能天线系统.本文介绍了AD9652产品亮点和主要特性,功能框图,以及评估板AD-FMCOMMS6-EBZ主要特性,主要元件分布图,电路图和PCB元件分布图.

The AD9652 is a dual, 16-bit analog-to-digital converter (ADC) with sampling speeds of up to 310 MSPS. It is designed to support demanding, high speed signal processing applications that require exceptional dynamic range over a wide input frequency range (up to 465 MHz). Its exceptional low noise floor of −157.6 dBFS and large signal spurious-free dynamic range (SFDR) performance (exceeding 85 dBFS, typical) allows low level signals to be resolved in the presence of large signals.

The dual ADC cores feature a multistage, pipelined architecture with integrated output error correction logic. A high performance on-chip buffer and internal voltage reference simplify the inter-face to external driving circuitry while preserving the exceptional performance of the ADC.
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