ADS1120EVM

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The ADS1120EVM evaluation board aids in the evaluation of the ADS1120 analog-to-digital converter (ADC). This board can help with quick prototyping and testing of an application that requires analog-to-digital conversion. It incorporates the ADS1120 device, a 12-bit, high performance, low power ADC that is capable of converting analog signals to digital data at sample rates of up to 100 kilosamples per second (KSPS). The ADS1120EVM also has on-board features such as a temperature sensor, a filter circuit, a voltage reference, as well as connections for external signals.

Applications for the ADS1120EVM include data acquisition systems, industrial process control systems, medical instrumentation systems, biometric systems, automotive sensor systems, and test and measurement systems. It is suitable for measurement of slowly varying analog signals up to 100 Ksps such as low speed temperature measurement and for measurement of high speed signals such as audio signals.

The ADS1120EVM is powered by the Texas Instruments TMS320C28x family of microcontrollers, and is compatible with the Code Composer Studio™ software development environment. The board has a standard 6-pin JTAG interface which allows the user to access and debug the application code. The board also contains multiple LEDs and push buttons to facilitate interaction between the user and the system.

The ADS1120EVM has two main components: the ADS1120 device, and an avr microcontroller. The ADS1120 is a low-power, 12-bit, successive approximation analog-to-digital converter (SAR ADC). The device includes features such as an integrated multiplexer, differential inputs, precision clock oscillator, and flexible conversion timing. The ADS1120 has an on-board reference voltage of 2.5V and an on-board temperature sensor. It also includes an internal filter to reduce external noise on the analog input.

The second component of the ADS1120EVM is an ATmega32 microcontroller. This microcontroller is responsible for communication with the ADS1120, and is programmed to execute tasks such as reading the ADC data, setting up the conversion parameters, and performing conversions. The microcontroller can also be used for other general purpose tasks such as user interface control. The microcontroller communicates with the ADS1120 through a 4-wire SPI serial interface and the results are sent over a USB interface to the host computer for further data analysis.

The ADS1120EVM can be used in applications such as data acquisition, temperature measurement, audio measurement, and test and measurement. In data acquisition applications, it can be used to measure and digitize signals from sensors, transducers, and other analog devices. The device can be used to measure temperature in applications such as environmental monitoring, food processing, and industrial process control. Audio measurements can be done using the device and the on-board microphone. The device can also be used in test and measurement applications such as function generators, spectrum analyzers, and oscilloscopes.

The ADS1120EVM is a versatile evaluation board for design and development of various analog-to-digital conversion applications. With easy to use features such as on board components, LEDs, and push buttons, the ADS1120EVM allows for quick prototyping and testing of data acquisition systems, temperature measurement systems, and audio measurement systems. The board is powered by a low power microcontroller and is compatible with Code Composer Studio, allowing for easy programming and control of the board.

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