DC851A-B

Series:	--
Part Status:	Active
Number of A/D Converters:	2
Number of Bits:	14
Sampling Rate (Per Second):	65M
Data Interface:	Parallel
Input Range:	1 ~ 2 Vpp
Power (Typ) @ Conditions:	400mW @ 65MSPS
Utilized IC / Part:	LTC2298
Supplied Contents:	Board(s)
Base Part Number:	LTC2298

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The DC851A-B Analog to Digital Converter (ADC) Evaluation Board is designed to provide engineers with the necessary hardware to evaluate the performance and features of a 12-bit bipolar ADC. It provides a convenient and simple way to evaluate how well the ADCs operate under various conditions.The evaluation board is built around the MCP19113A-M evaluation board, featuring a single-ended 12-bit analog-to-digital converter (ADC) with adjustable gain. The device offers a fast conversion rate of up to 1 MSPS and a wide input voltage range of ±4.2 V. The board also includes a low-dropout (LDO) 3.3V, 11V, and/or 5V switching power regulator, as well as an adjustable voltage reference. The DC851A-B allows users to quickly and easily evaluate the performance of the 12-bit ADC by quickly changing the analog input signal.The working principle of the DC851A-B ADC Evaluation Board is based on an open-loop sample-and-hold (S/H) circuit. The analog signal is first sampled by a Sample and Hold (S/H) circuit with two complementary FETs. The sample is then converted to a digital code by the ADC at the sample rate and sent to the output buffer, which is a 3-state output buffer. The output buffer stores the digital code and drives it out as an open-drain output, allowing several ADCs to be connected together to operate as a multichannel ADC system.The application field of DC851A-B is mainly in analog-to-digital signal conversion, signal processing and other high-speed signal conversion applications. It is suitable for environments that require very low power, high accuracy, and fast data acquisition. The board can be used in various fields such as medical imaging, automotive control, test and measurement, communications, and consumer electronics.The DC851A-B ADC Evaluation Board is ideal for designing reliable, low-cost, high-performance 12-bit data acquisition systems. It provides a high degree of flexibility for the engineer to evaluate the performance of the ADC under different conditions such as temperature, input signal, and voltage supply. By providing a simple to use evaluation board, the DC851A-B greatly reduces development time, cost, and risk.

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Providing an ideal environment for testing and evaluating 12-bit Bipolar ADCs, the DC851A-B ADC Evaluation Board is designed around the MCP19113A-M evaluation board. The board can efficiently sample the analog signal and efficiently convert it into digital at a speed of up to 1MSPS with an adjustable gain. Furthermore, the evaluation board also provides the necessary switching power regulator to deliver voltages of 3.3V, 11V, and/or 5V, allowing for considerable flexibility in its use.At the heart of the DC851A-B Evaluation Board lies an open-loop sample-and-hold (S/H) circuit, which works by sampling the inputted analog signal and then holds it for the duration needed before it is passed through the ADC. This in turn allows for reliable 12-bit data acquisition systems to be designed in a short amount of time.The DC851A-B Evaluation Board is suitable for a wide range of application fields such as medical imaging, automotive control, test and measurement, communications, and consumer electronics. The board can also be used as part of multi-channel data acquisition systems, and is energy efficient and highly accurate in the signals it can capture. With both high performance and low cost in mind, this evaluation board can offer engineers considerable time and cost-saving.

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