REF1004C-2.5G4

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REF1004C-2.5G4 Application Field and Working Principle

Part of the System Management Subsystem, the REF1004C-2.5G4 is a voltage reference from Texas Instruments that provides accurate, low power, small size, and low noise voltage source for a range of applications. Qualified for automotive Grade 1, the REF1004C-2.5G4 is a versatile voltage reference suitable for use in a variety of battery powered systems. This paper will discuss the main application fields of REF1004C-2.5G4, as well as its working principle.

Main Application Fields of REF1004C-2.5G4

As a high performance, low power, and low noise voltage reference, the REF1004C-2.5G4 has several applications, including automotive, industrial and microelectronic systems.

In automotive applications, the REF1004C-2.5G4 is used to provide regulated reference voltages for components such as pressure sensors, current transducers, and battery chargers. In industrial systems, the device is used to provide precise voltage references to power analog-to-digital converters, as well as other low power systems, such as PLC’s. In microelectronic systems, the REF1004C-2.5G4 is used in memory interfaces, and is applied to the power rails of logic sequences, providing the necessary reference voltage level.

Working Principle of REF1004C-2.5G4

REF1004C-2.5G4 is a Precision Voltage Reference; it provides a stable and adjustable source of reference voltage that is capable of being adjusted to various voltage levels depending on the application. It is based on a proprietary "proportional to absolute temperature" (PAT) technology, which enables the device to maintain its accuracy over its full operating temperature range. This technology uses a temperature-compensated bandgap reference circuit which provides an accurate voltage output of 2.5 V. The output voltage of the device is determined by a resistor network that is used to vary the gain of the device. Additionally, an external capacitor is used to filter the output voltage of the device and reduce noise.

The REF1004C-2.5G4 is designed to be a low power device, consuming only ~7µA of current in active mode. This is made possible through a proprietary low noise amplifier and low dropout linear regulators. The device features low output noise of 50 µV peak-to-peak, which is made possible through the proprietary low noise amplifier design. Additionally, the device features a wide input voltage range of 0.6V to 6V. The device is also RoHS compliant and is therefore suitable for use in a variety of automotive, industrial and microelectronic applications.

Conclusion

The REF1004C-2.5G4 is a versatile voltage reference device, suitable for many applications. It provides a stable and adjustable

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