ADS5292EVM

Series:	--
Part Status:	Active
Number of A/D Converters:	8
Number of Bits:	12
Sampling Rate (Per Second):	80M
Data Interface:	LVDS - Serial
Input Range:	2 Vpp
Power (Typ) @ Conditions:	--
Utilized IC / Part:	ADS5292
Supplied Contents:	Board(s)

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The ADS5292EVM is a high performance, dual-channel application evaluation board based on the Texas Instruments ADS5292EVM 24-bit sigma-delta analog-to-digital converter (ADC). It is designed to provide a low-cost and versatile platform for the development and testing of end-user applications, such as audio/video systems, medical instrumentation, low-power measurements and communications systems. The ADS5292EVM is housed in a compact, field-programmable, footprint that has 16 analog input channels, two analog output channels, and up to 24 digital I/O configurable in up to 8-bit banks. The board includes a high-accuracy voltage reference, a built-in multiplexer, and a low-noise power supply.The ADS5292EVM is an ideal evaluation board for the TI ADS5292EVM ADC, offering high precision A/D conversions at up to 700 kSPS per channel. The assessment board can reproduce complex waves for applications where analog signal reproducibility is critical. The board integrates comprehensive instrumentation and signal conditioning circuitry, providing the system designer with an easy to use, compact platform for developing A/D converter-based systems. The board also provides a wide frequency range for applications requiring of high-resolution signals with low-noise characteristics.The working principle of the ADS5292EVM is based on the use of a dual analog-to-digital converter (ADC), which convert analog input signals into digital equivalents. Each ADC consists of a 12-bit parallel multiplexer, a buffer, filters and circuit that generate a highly-accurate differential voltage output with up to 24-bits resolution. The ADC further converts the parallel signal into a serial stream. The resolution of the serial bit stream is divided into three distinct ranges: low (16bit resolution), mid (20bit resolution) and high (24bit resolution).The ADS5292EVM evaluation board also has an onboard reference voltage enable and disable control logic. The onboard high-precision voltage reference circuit provides the necessary voltage reference for the A/D conversion. Additionally, the board includes a low-noise power supply, allowing for a clean power rail for the evaluation board.The system design is further enhanced by the ability to perform “batched” sampling where multiple A/D conversions occur, but each conversion is separated in time from the next. This batched-mode sampling can speed up the data acquisition process as each conversion is a self-contained operation, and is therefore independent of the state of the other A/D channels.The ADS5292EVM application field includes wide-bandwidth audio/video systems, portable data acquisition/mobile medical instrumentation, low-power measurements and communications systems. With the low power consumption design, the board runs solely on a 8V unregulated power supply while offering very low power-consumption for the application. It is also designed for use in high-throughput and long duration applications. The versatile architecture of the board allows for a variety of different configurations, depending on the intended application.

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