CAT8900A125TBGT3

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The CAT8900A125TBGT3 voltage reference device is a programmable precision voltage reference, which enables users to accurately measure, regulate, and monitor a variety of power supply voltages in a wide variety of applications. It has a wide operating temperature range and excellent stability, making it the ideal choice for high-performance systems. This device is designed to meet the needs of applications requiring multiple voltage references and output ranges.

Overview

The CAT8900A125TBGT3 is an NMOS pass-gate and CMOS programmable precision voltage reference device. It features an output voltage range that is adjustable and programmable from 3.3V to 17V and a wide temperature range from -40°C to +85°C. This device has excellent temperature stability over the full operating temperature range, and offers a wide switching frequency (0.5 kHz to 20 MHz). It is available in the typical 8-lead PDIP package, which has a wide input voltage range up to 5V, allowing for a wide variety of applications.

Features of CAT8900A125TBGT3

• Wide output voltage range (3.3V to 17V)
• Wide temperature range (-40°C to +85°C)
• Excellent temperature stability
• Wide switching frequency (0.5 kHz to 20 MHz)
• Wide input voltage range (up to 5V)
• Low power consumption

Applications

The CAT8900A125TBGT3 is suitable for a variety of applications, including:

• High-precision data acquisition systems
• High-efficiency power supply systems
• Regulated sensing and load control
• Point of load (POL) voltage regulation
• Battery-powered systems
• Computerized instrumentation
• Avionics equipment
• High-precision power supplies

Working Principle

The CAT8900A125TBGT3 voltage reference device works by taking a reference voltage and providing an adjustable and programmable output voltage which is a function of the reference voltage. This voltage reference device has a wide input voltage range, which gives the user more flexibility in the design of the system. In addition, the output voltage can be adjusted and programmed within a wide range of 3.3V to 17V. The device is built with a proprietary temperature-compensated zener temperature-coefficient (TCZ) circuit, which ensures excellent temperature stability over the full operating temperature range. The device also features an addition of a PMOS pass-gate that generates a non-overlapping gate drive for low power dissipation.

The CAT8900A125TBGT3 also features a power-saving mode which helps conserve power when the device is not in use. In this mode, the output voltage is reduced to a low voltage, which reduces the power dissipation significantly. Furthermore, the device supports external programming, which allows the user to adjust the output voltage range while the device is operating. This feature makes it suitable for a variety of applications, such as data acquisition systems and power supply systems.

Conclusion

The CAT8900A125TBGT3 voltage reference device is an NMOS pass-gate and CMOS programmable precision voltage reference device that offers an adjustable and programmable output voltage range from 3.3V to 17V. It features a wide switching frequency, a wide temperature range, excellent temperature stability, and a wide input voltage range up to 5V. These features make it ideal for applications such as high-precision data acquisition systems and high-efficiency power supply systems. Moreover, the device also features a power-saving mode and supports external programming, which gives the user more flexibility and versatility in the design of the system.

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