dac38rf87iaav description

thedac38rf86/96 is a family of high-performance, dual-channel, 14-bit,9-gsps, rf-sampling digital-to-analog converters (dacs) that arecapable of synthesizing wideband signals from 0 to 4.5 ghz. thedac38rf87/97 is also a family of high-performance, dual-channel,14-bit, 6-gsps, rf-sampling digital-to-analog converters (dacs)that are capable of synthesizing wideband signals from 0 to 3 ghz.a high dynamic range allows the dac38rfxx family to generatesignals for a wide range of applications including 3g/4g signalsfor wireless base-stations and radar.

thedevices feature a low-power jesd204b interface with up to 8 laneswith a maximum bit rate of 12.5 gbps allowing an input data rate of1.25 gsps complex per channel. the dac38rfxx provides two digitalup-converters per channel, with multiple options for interpolationrates. a digital modulator with independent, fre ncos are available to support multi-band operation. a gsmcompliant low phase noise pll/vco is integrated to simplify the dacsampling clock generation by allowing the use of a lower fre clock

ads1278mpaptep 增强型产品，八路144khz 同步采样 24 位 Δ-Σ adc

ads1278mpaptep 描述

基于单通道ads1271，ads1278（八通道）是一款24 位、三角积分 (ΔΣ) 模数转换器 (adc)，其数据速率高达每秒 128k 次采样(sps)，从而可实现八通道同时采样。

传统上来讲，提供良好漂移性能的工业用三角积分 adc使用带有较大通带衰减的数字滤波器。 因此，它们的信号带宽有限并且主要适合于 dc 测量。 音频应用中的高分辨 adc提供更大的可用带宽，但是与工业用 adc 相比，它的偏移和漂移技术规格被大大削弱。 ads1278将三种类型的转换器组合在一起，从而实现带有出色 dc 和 ac 技术规格的高精度工业测量。

高阶、斩波稳定调制器在低带内噪声情况下实现极低漂移。板载抽取滤波器抑制调制器和信号带外噪声。这些 adc 在纹波小于 0.005db的情况下提供高达那奎斯特速率 90% 的可用信号带宽。

四个运行模式可实现速度、分辨率和功率的优化。所有操作直接由引脚控制；无需寄存器编程。器件可在军用温度范围（-55°c 至125°c）内运行并且采用 htqfp-64 powerpad 封装。

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