Intersil

ISL21009CFB812Z

ISL21009CFB812Z Description

The ISL21009CFB812Z is a high-precision voltage reference IC from Intersil, designed to provide a stable and accurate reference voltage for a variety of electronic applications. This device features a fixed output voltage of 1.25V with an exceptional tolerance of ±0.08%, ensuring high accuracy in voltage regulation. The ISL21009CFB812Z operates within an input voltage range of 3.5V to 16.5V, making it suitable for a wide range of power supply voltages. It is housed in an 8SOIC package and is available in a tube packaging format, facilitating surface mount assembly processes.

ISL21009CFB812Z Features

• High Precision Output: The ISL21009CFB812Z offers a fixed output voltage of 1.25V with a tight tolerance of ±0.08%, ensuring high accuracy and reliability in voltage reference applications.
• Low Noise Performance: With a noise level of 22µVrms over the 10Hz to 10kHz frequency range, this voltage reference provides clean and stable output, minimizing the impact of noise on sensitive analog circuits.
• Low Temperature Coefficient: The device has a temperature coefficient of 5ppm/°C, ensuring minimal drift in output voltage over a wide temperature range, which is crucial for maintaining accuracy in varying environmental conditions.
• Low Supply Current: The ISL21009CFB812Z operates with a low supply current of 180µA, making it energy-efficient and suitable for low-power applications.
• Series Reference Type: As a series reference type, the ISL21009CFB812Z can be easily integrated into various electronic circuits, providing a reliable and stable voltage reference.
• Surface Mount Compatibility: The surface mount mounting type and 8SOIC package format make it ideal for modern PCB assembly processes, ensuring ease of integration and high reliability.
• ROHS3 Compliant: The ISL21009CFB812Z meets the stringent ROHS3 compliance standards, ensuring environmental sustainability and regulatory adherence.

ISL21009CFB812Z Applications

The ISL21009CFB812Z is ideal for applications requiring high-precision voltage references, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate ADC conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels for DAC applications.
• Precision Measurement Equipment: Used in devices requiring high accuracy and stability, such as laboratory instruments and industrial control systems.
• Power Management Systems: Offers a reliable reference voltage for voltage regulators and power supply circuits.
• Medical Devices: Ensures accurate and stable voltage references in medical monitoring and diagnostic equipment.

Conclusion of ISL21009CFB812Z

The ISL21009CFB812Z from Intersil is a high-precision voltage reference IC that stands out for its exceptional accuracy, low noise, and low temperature coefficient. Its low supply current and surface mount compatibility make it suitable for a wide range of applications, from precision measurement equipment to power management systems. Despite being marked as obsolete, the ISL21009CFB812Z remains a reliable choice for applications requiring a stable and accurate voltage reference. Its compliance with ROHS3 standards further enhances its appeal for environmentally conscious design processes.