Microchip MCP33131D－10 16位模数转换器(ADC)解决方案

Microchip公司的MCP33131D-10是16位模数转换器(ADC),具有全差分输入,高性能和低功耗特性和逐次逼近(SAR)架构以及工业标准SPI串行接口,允许16位ADC能增加到任何的PIC®MCU中.此外,MCP33131D-10还具有1M取样/秒,1输入通路,低功耗(待机0.8µA,工作1.6mA),10引脚MSOP和10引脚TDFN封装,器件工作外接2.5V到5.1V基准电压(+VREF),支持从-VREF 到 +VREF满输入范围,基准电压的设定独立于模拟电源电压(AVDD),高于AVDD,而转换输出很容易通过SPI兼容的三线接口获得.器件需要1.8V模拟电源(AVDD)和1.7V-5.5V数字I/O接口电源(DVIO).主要应用在高精度数据采集,医疗仪器,马达控制,电动汽车电池管理系统,电池工作的设备,开关电源.本文介绍了MCP33131D-10主要特性,多种应用电路和包括ADM00872和ADM00873在内的评估板MCP331x1 16/14/12位1 Msps SAR ADC EVK主要特性,电路图,材料清单和PCB设计图.
The MCP33131D-10 16-bit Analog-to-Digital Converter (ADC) features a full differential input, high performance and low power consumption in a small package, making it ideal for battery powered systems and remote data acquisition applications. The MCP33131D-10 features a successive approximation register (SAR) architecture and an industry-standard SPI serial interface, allowing 16-bit ADC capability to be added to any PIC® microcontroller. The MCP33131D-10 features 1M samples/second, 1 input channel, low power consumption (0.8µA typical standby, 1.6mA typical active), and is available in 10-pin MSOP and 10-pin TDFN packages. Applications for the MCP33131D-10 include high-precision data acquisition, medical instrumentation, motor control applications, electric vehicle battery management systems, battery operated applications, switch-mode power supply applications.
The MCP33131D/MCP33121D/MCP33111D-10 and MCP33131D/MCP33121D/MCP33111D-05 arefully-differential 16, 14, and 12-bit, single-channel1 Msps and 500 kSPS ADC family devices,respectively, featuring low power consumption andhigh performance, using a successive approximationregister (SAR) architecture.
The device operates with a 2.5V to 5.1V externalreference (VREF), which support...