ADS1293EVM

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Evaluation and Demonstration Boards and Kits provide a platform for users to evaluate, experiment, demonstrate, and develop with electronic components. Among these components, the Texas Instruments ADS1293EVM Evaluation Module is a powerful, user-friendly, and easy-to-use demonstration board. The board is specifically designed for evaluating the ADS1293 four-channel, 24-bit, low-power, low-noise, ultra-low-dropout (ULDO)Regulator active front end (AFE). This board is a great tool in medical, biomedical, and industrial applications where strict control of power and noise parameters are required.

The ADS1293EVM application field is diverse, due to the nature of the applications for which it is designed. The board is designed for biomedical and industrial applications, including: medical monitoring systems such as blood pressure monitors and pulse oximeters; smart implants such as pacemakers, cochlear implants, and insulin pumps; homecare applications; industrial sensors for pressure, temperature, and humidity measurements; and more.

The core of the board is the ADS1293 four channel, 24 bit low noise ultra-low-dropout (ULDO)regulator active front end (AFE). This AFE allows the board to accurately acquire signals from multiple channels, while also having low noise and ultra-low dropout performance. The built-in amplifier can also amplify input signals to increase the SNR. The onboard low-dropout (LDO) regulator supplies a low-voltage, low-noise supply for powering the AFE.

The ADS1293EVM performance is further enhanced through its use of two high-precision voltage references, one with an output voltage of 1.2V and one with an output voltage of 2.5V. These references provide a very low noise output voltage, and the 1.2V reference is especially important for the operation of the LDO regulator. The onboard oscillator provides a clock signal that can be programmed to various frequencies. This allows for sampling frequencies to be adjusted to suit the particular application.

The ADS1293EVM has a USB interface, allowing for communication to a PC and the adjustment of the device’s parameters. The board also includes multiple digital I/O ports for data communication. The board is also user-friendly, with seven push buttons and two LEDs providing a user-adjustable user interface. The board is also provided with all the necessary components for connecting external sensors and other peripherals.

The ADS1293EVM provides a great platform for users to evaluate, experiment, and develop with the ADS1293 AFE. Its use of two high-precision voltage references, an oscillator for programmable sampling frequencies, and a USB interface make it a powerful and user-friendly evaluation and demonstration board. With these capabilities, the ADS1293EVM is a great tool in many medical, biomedical, and industrial applications, where precise control and measurement of power and noise are necessary.

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