ADS1174EVM

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The ADS1174EVM type Evaluation Board offers engineers and students the ability to quickly perform evaluations of signal chains that are based on an Analogue-Digital-Converter (ADC). It features the ADS1174, a new ADC from TI (Texas Instruments). The ADC has some features that make it ideal for application fields, such as audio, motor control, industrial process automation, and instrumentation. This evaluation board thus provides a great platform for users to quickly and accurately test real-world signal acquisition applications.

The board is supplied in a rugged plastic case, and is available in single and multiple channel versions, making it ideal for use in laboratories and for field testing locations. It features two programmable gain amplifier stages for amplifying weak signals before entering into the ADC. The board also comes with a DMA controller to reduce processor loading time when dealing with multiple channels.

The working principle of the ADS1174EVM is straightforward. The input signal is first amplified to a suitable level by the variable gain amplifier, before being passed into the ADC. The ADC then converts the analogue signal into a digital code, which can then be read and analyzed by a computer or an embedded processor.

The ADC also features a setup that allows it to work with inputs in a variety of ranges. It can accept signals ranging from -10V to 5V, and can also convert up to 6V signals. For large signals, such as those from power amplifiers, the ADC can also accept 7:1 over-range protection. This means it can set up a lower maximum voltage so that any over-range signals can still be captured without damaging the board.

In addition, the ADS1174EVM has error correction and calibration functions that help to ensure the accuracy and accuracy of the measurements. The board provides excellent linearity and low noise performance, making it a great choice for applications that require very accurate measurements.

The ADS1174EVM Evaluation Board provides an ideal platform for evaluating the performance of ADCs, and for testing multi-channel signal acquisition applications. Its programmable gain amplifiers, range selection, over-range protection and calibration features make it a great choice for applications in audio, motor control, industrial process automation, and instrumentation.

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