AD7685是AD公司的一款模数转换器 (ADC)产品，AD7685是16-Bit, 250 kSPS PulSAR? ADC in MSOP/QFN，本站介绍了AD7685的封装应用图解、特点和优点、功能等，并给出了与AD7685相关的AD元器件型号供参考。
AD7685 - 16-Bit, 250 kSPS PulSAR? ADC in MSOP/QFN - 模数转换器 (ADC) - 模数转换器 (ADC) - Analog Devices, LLC
The AD7685 is a 16-bit, charge redistribution successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD, between 2.3 V to 5.5 V. It contains a low power, high speed, 16-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. The part also contains a low noise, wide bandwidth, short aperture delay, track-and-hold circuit. On the CNV rising edge, it samples an analog input IN+ between 0 V to REF with respect to a ground sense IN?. The reference voltage, REF, is applied externally and can be set up to the supply voltage.
Power dissipation scales linearly with throughput.
The SPI-compatible serial interface also features the ability, using the SDI input, to daisy chain several ADCs on a single 3-wire bus or provides an optional BUSY indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using the separate supply VIO.
The AD7685 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from ?40°C to +85°C.
Applications
Data Sheet, Rev. B, 3/07
EVAL-AD7685CBZ是针对AD7685的全功能评估套件。此评估板可单独使用，也可与评估控制器板配合使用。配合评估控制器板使用时，用户可利用提供的软件对ADC进行详尽的性能分析。此软件还包括技术笔记，说明评估板在单独使用以及配合评估控制器板使用时的操作与设置。
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