ADS61B23EVM

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The ADS61B23EVMB is an Evaluation Board for Analog to Digital Converters of a particular type, designed by Texas Instruments to be used for quick testing and evaluation of Analog to Digital Converter (ADC) performance in the field. Such ADCs are used to convert analog signals into digital form, so they can be easily analyzed, stored and used for further processing.

The board has several features which make it an attractive option for evaluation and testing purposes. Firstly, the board establishes a full signal chain for the ADC, from the analogue in to digital out, including filters, in preparation for ADC evaluation and testing. Secondly, the board simplifies the design of the test systems, with preprogrammed parameters and multiple input/output selections available. Finally, ADS61B23EVMB provides a powerful graphical user interface from the host system to the board, enabling quick system integration and control. This evaluation board operates with a single low-voltage power supply and is compatible with the most common type of signal connections.

The ADS61B23EVMB features two multiplexed input channels for single-ended or differential signing, with separate independent with SINAD, SNR, THD+N, SFDR, and ENOB performance readings taken on each channel. The board also consists of a high-frequency reconstruction filter to improve anti-alias characteristics and minimize post-processing requirements. There are two sample-and-hold amplifier settings provided, AC or DC coupling, and low-pass, high-pass, and a band-pass filter settings available with flexible parameters. The board is also equipped with a low-voltage differential signal driver, allowing for read/write operations over long cable lengths.

In order to use the ADS61B23EVMB board, two main components are required – a power supply and a programmable logic device. The method of communication used is USB, so a USB connection must be established between the board and a computer. Once connected, the board can be controlled with dedicated software. A variety of sensors can be connected to the board to enable measurements for evaluation.

The ADS61B23EVMB uses many of the same principles of operation as other ADCs. The analog input voltage is first converted to a digital signal by an analog-to-digital converter, followed by a digital-to-analog converter. This signal is then sampled and held, which enable further filtering operations to be applied to the signal before a final digital output signal is produced. The board is then able to produce digital output signals for further processing on a data acquisition system or other data collection system.

In conclusion, the ADS61B23EVMB evaluation board provides an excellent platform for quick testing and evaluation of ADC performance in the field. This board features multiple input channels, a variety of preprogrammed parameters, and a graphical user interface for ease of use. Further, it operates with a single low-voltage power supply and is compatible with the most common type of signal connections. With its many features and capabilities, the ADS61B23EVMB evaluation board is an excellent choice for evaluation of ADCs.

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