REF2920AIDBZR Integrated Circuits (ICs)

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The REF2920AIDBZR is a precision voltage reference module from Texas Instruments. It is a part of the Precision Voltage References (PVR) series and is in the PMIC – Voltage Reference category. This module has a wide range of applications in industrial, automotive, communication, and healthcare. The REF2920AIDBZR has an input voltage range of 2V to 10.5V and a reference frequency range of 1kHz to 500kHz. It has a low temperature coefficient, low output noise, and high accuracy over temperature. It also has a fast response time and can operate over a wide range of operating temperatures (–40°C to +125°C).

Working Principle

The REF2920AIDBZR is a bandgap voltage reference that uses an integrated circuit to generate and maintain a fixed voltage across its output despite input and temperature variations. It makes use of PN junction diode effects to produce this voltage. This reference voltage is produced by amplifying the voltage difference between two precision voltage divider resistors, with one of the resistors connected to an external power supply rail. The reference voltage is then regulated and buffered to provide a constant voltage output.

The circuit is temperature compensated using a compensation network which adjusts the interconnection between the resistor divider and the operational amplifier. This compensation network is often referred to as a bandgap circuit and provides the REF2920AIDBZR with excellent temperature stability. The temperature compensation is further enhanced by the use of high CV temperature stable resistors.

Application

The REF2920AIDBZR can be used in a variety of different applications due to its wide operating temperature range and high accuracy over temperature. It is suitable for process control applications in automotive, industrial, communication, and healthcare. It is also suitable for use in applications such as low voltage power supply regulation, instrumentation, digital systems logic power and process control.

The REF2920AIDBZR can be used for voltage reference, reference clocking and sampling, power supply regulation, and precision voltage measurement. It is also suitable for use in medical instrumentation, medical imaging, blood coagulation testing, thermometry, process control, and industrial automation. In addition, the REF2920AIDBZR is ideal for use in automotive applications such as engine control, brake control, and vehicle dynamic control.

Conclusion

The REF2920AIDBZR is a highly reliable and accurate voltage reference module from the Precision Voltage References (PVR) series by Texas Instruments. It is classified in the PMIC – Voltage Reference category and is suitable for a variety of applications in automotive, industrial, communication, and healthcare. The REF2920AIDBZR works on the principle of PN junction diode effects and makes use of a bandgap circuit for temperature compensation for excellent temperature stability. It has a wide operating temperature range, low output noise, low temperature coefficient, and fast response time.

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