DC751A-L

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DC751A-L belongs to the evaluation boards – analog to digital converters (ADCs). It is a platform where a 12-bit high dynamic loop analog-to-digital converter (ADC) designed by TI is implemented. It is developed based on a low-power sub-micron process, current-steering DAC technology, differential inputs and unique signal conditioning concepts. The DC751A-L offers broad range of flexibility for system and application design, enabling users to verify the circuit performance under various conditions, shorten design cycle time and reduce the development cost.

The DC751A-L covers a wide input dynamic range from -20dB to over 110dB, which is suitable for both low and high-wing signal source. Its built-in loop amplifier with gain configuration allows users to tailor the output signal to extend the dynamic range and reduce the noise. Besides, the evaluation board has two ranges of gain, 1V/V and 5V/V, to extend the use of the amplifier’s input range.

The DC751A-L also provides a complete suite of features to simplify system evaluation. Its digital and analog enhancement features include programmable outputs, adjustable gain and offset, differential gain and offset control, and three digital filter options. The board also offers a variety of input and output options, which include a 100-pin connector, four analog inputs, four analog outputs, three digital input/outputs, one temperature measurement port, and eight LCD input/outputs.

In terms of its working principle, the DC751A-L implements an ultra-low power submicron CMOS process to achieve a maximum output range of – 20dB to over 110 dB with a 12-bit resolution. The board has a built-in control logic that constantly monitors and adjusts its gain and offset settings in order to maintain the signal within a predefined range. The gain and offset values are adjustable by the user to provide a flexible and customizable loop gain control to meet various application requirements.The board also features a total of three digital filters: a low-pass filter, a band-pass filter, and a high-pass filter, which are used to reduce noise and enhance the signal-to-noise ratio. Additionally, the board offers adjustable differential gain and offset between the input channels, which helps to achieve maximum performance in certain circuit designs. Furthermore, the programmable outputs enable the user to control the gain and feedback settings in order to achieve the desired performance.

To summarize, the DC751A-L belongs to the evaluation boards – analog to digital converters (ADCs), and it performs a 12-bit high dynamic loop analog-to-digital conversion. The board covers a wide input dynamic range from -20dB to over 110dB, and it offers a complete suite of features to simplify system evaluation. Its working principle implemented an ultra-low power submicron CMOS process with a built-in control logic, three digital filters, adjustable differential gain and offset, and programmable outputs.

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