一、产品概述

DS872是高速直接数字合成器(DDS)。32位频率调谐分辨率和11位DAC振幅的分辨率。64-pin QFN package，钟频3.0 GHz。

The DS872 is a high-speed Direct Digital Synthesizer (DDS) with a frequency tuning resolution
of 32 bits, ROM phase resolution of 13-bit and a DAC amplitude resolution of 11 bits. 

二、性能参数

1、32-bit频率调谐字位
2、13-bit ROM阶段地址解析
3、On chip 11-bit DAC
4、钟频高达3.2 GHz
5、模拟输出可在正常格式和归零模式中切换
6、Sine wave generation up to 1.5 GHz 1 st Nyquist band for Normal-Hold mode or 4.5 GHz 3 rd Nyquist band for Return-to-Zero mode.
7、Broadband worst SFDR > 50 dBc (DC to 1.5-GHz Bandwidth) at a 3 GHz clock rate
8、补充模拟波形输出匹配50 Ω负载
9、SyncI_P/N synchronizes multiple chip applications
10、SyncO_P/N provides reference for data loading and synchronizes STROBE signals.
11、LVTTL/CMOS digital pattern control input
12、Asynchronous Reset (RST) pin to initiate phase 0 starting state
13、Strobe inputs (STRB_P/N) to update the frequency word and DAC output frequency
14、Wide data loading window allow DS872 to be controlled by memory, micro-controller,FPGA or DSP chips to update frequency word as fast as 8 clock cycles without clockslipping or glitches during frequency transition
15、3.6 W power consumption with a single -5V power supply
16、64-pin QFN package

三、典型应用:高速啁啾 High Speed Chirping

四、产品功能图

五、Euvis其他DDS型号

DS852  DS856 DS855  DS875 DS875A  DS872

六、订购需知

DS872，15+，原厂常备现货，订货周期1-2周

以上报价为参考价，具体数量的价格和交期，请联系我。

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