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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