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PMIC - Voltage Reference: LT1004IDR-1-2

The LT1004IDR-1-2 is a voltage reference IC that provides a precise 4.096V or 10V output in a variety of power supply ranges. This dual output device has the main advantage of providing both 4.096V and 10V, so that it is suitable for a wide range of applications.

Applications

• High Precision Regulators
• Portable Equipment and Battery-Powered Applications
• Industrial Process Control Instruments
• Microprocessor Based Systems

Working Principle

The LT1004IDR works by taking two different currents, which are accurately regulated through a series of resistors, then buffering and filtering them for precision output. The two current sources are adjusted via the same control pin and are typically regulated to provide 4.096V and 10V respectively. The device operates within a wide range of input voltages, from 1.8V to 18V, making it suitable for a range of applications.

The LT1004IDR has excellent drift and temperature stability characteristics, making it suitable for high precision applications. It also has a wide temperature range of -40C to 85C, making it suitable for use in industrial and commercial applications. The device is also immune to input power supply noise, which is a common problem in battery-powered applications.

Benefits

• High accuracy - with an output tolerance of ± 0.01% over temperature
• Excellent temperature stability - with an output drift of 0.001%/°C
• Wide voltage range - operating from 1.8V to 18V
• Wide temperature range - operating from -40C to 85C
• Robust - immune to power supply noise

Conclusion

The LT1004IDR-1-2 is a versatile voltage reference IC that is suitable for a wide range of applications. It has excellent output tolerance and temperature stability characteristics, making it suitable for precision applications. It also has a wide input voltage range, which makes it suitable for use in portable and battery-powered applications. Overall, the LT1004IDR-1-2 is an ideal device for a variety of voltage reference applications.

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