ADS1120QPWRQ1 Integrated Circuits (ICs)

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Analog-to-digital converters (ADCs) can convert analog signals such as a voltage or temperature, into digital signals for storage and processing. The ADS1120QPWRQ1 ADC is a 12-bit, voltage-input, digital output ADCs, which is from Texas Instruments. It has been optimized to serve a wide range of applications, from industrial to automotive.

ADS1120QPWRQ1 Application Field

The first use of the Texas Instruments ADS1120QPWRQ1 Analog-to-Digital Converter is in industrial HVAC (Heating, Ventilation, and Air Conditioning) systems, where it can monitor and control the temperature, humidity, air pressure, air flow, and other environmental factors. It can be used to create a data logging system for long-term monitoring or a control system for immediate response. In addition, this converter can be used in automotive applications to monitor voltage, temperature, and pressure, or to detect and monitor levels of fluid in the car\'s cooling system. The analogue output can be used to drive alarms, LED’s or other indicators. This converter can also be used in industrial process control systems for measuring and controlling temperatures and other parameters.

Function and Working Principle of ADS1120QPWRQ1 Converter

The ADS1120QPWRQ1 has a resolution of 12-bits and an input voltage range of 0 V to 5 V. It supports single-ended, differential, and pseudo-differential input modes that can be configured through a serial port interface. It has an onboard low-noise amplifier (LNA) and amplifier to reduce noise and improve resolution. The ADS1120QPWRQ1 is powered by a 3.3V supply voltage. The output is digital, with a single-pin serial-data output.

It has a single-slope analog-to-digital conversion scheme that converts the analog input voltage into an equivalent digital output. The voltage input is connected to the positive and negative inputs of the converter. An internal reference voltage is applied to the positive input of the converter and a reference resistor is connected between the positive and negative inputs. The internal LNA amplifies the voltage difference between the positive and negative inputs, and the amplifier further amplifies this voltage difference. The amplifier output is then compared to the reference voltage, and the result is converted to a digital value using a single-slope conversion method. The resulting digital value is then output on the single-pin serial-data output.

Conclusion

The Texas Instruments ADS1120QPWRQ1 is a 12-bit, voltage-input, digital output ADC that is optimized for use in industrial and automotive applications. Its features and functions make it ideal for use in monitoring and controlling various environmental and process parameters. The single-slope, analog-to-digital conversion scheme coupled with an onboard low-noise amplifier (LNA) and amplifier make it easy to use and provides good accuracy and resolution. The single-pin serial-data output makes it easy to integrate with external systems. It is thus a reliable, cost-effective solution for a variety of industrial and automotive applications.

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