[原创] Linear LTC2500－32 32位过取样ADC解决方案

Linear公司的LTC2500-32是带可配置数字滤波器的 32位过取样ADC,具有低噪音低功耗和高性能等特性,工作电压2.5V,差分全输入范围±VREF,而VREF从2.5V到5.1V.器件具有±0.5ppm INL (典型),1Msps时的SNR为104dB,61sps时的动态范围148dB,保证32位不丢失码.主要用在地震学,能源勘探,自动测试(ATE)和高精度仪表.本文介绍了LTC2500-32主要特性,框图,应用电路图和演示板DC2390A主要特性,电路图,材料清单和PCB装配文件图.

The LTCR2500-32 is a low noise, low power, high performance32-bit ADC with an integrated configurable digitalfilter. Operating from a single 2.5V supply, the LTC2500-32 features a fully differential input range up to ±VREF,withVREF ranging from 2.5V to 5.1V. The LTC2500-32 supportsa wide common mode range from 0V to VREF simplifyinganalog signal conditioning requirements.

The LTC2500-32 simultaneously provides two outputcodes: (1) a 32-bit digitally filtered high precision lownoise code, and (2) a 32-bit no latency composite code.
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