Texas Instruments

REF3033AIDBZRG4

REF3033AIDBZRG4 Description

The REF3033AIDBZRG4 from Texas Instruments is a high-precision, low-power, series voltage reference IC designed for applications requiring stable and accurate voltage regulation. With a fixed output voltage of 3.3V (±0.2% tolerance), this device delivers exceptional performance in a compact SOT23-3 package. It operates over an input voltage range of 3.35V to 5.5V, making it suitable for battery-powered and low-voltage systems. The REF3033AIDBZRG4 features a low 50µA supply current and a 25mA output current capability, ensuring efficient power management while maintaining precision.

REF3033AIDBZRG4 Features

• High Accuracy: ±0.2% initial voltage tolerance ensures reliable performance in precision applications.
• Low Power Consumption: 50µA typical supply current minimizes energy usage, ideal for portable devices.
• Low Noise: 105µVrms noise (10Hz to 10kHz) enhances signal integrity in sensitive circuits.
• Wide Operating Range: Supports input voltages from 3.35V to 5.5V, compatible with common power rails.
• Stable Temperature Performance: 75ppm/°C temperature coefficient ensures stability across varying environmental conditions.
• Compact Form Factor: Surface-mount SOT23-3 package saves board space in space-constrained designs.
• RoHS3 Compliant: Meets environmental and regulatory standards for modern electronics.

REF3033AIDBZRG4 Applications

The REF3033AIDBZRG4 is ideal for applications requiring precise voltage references, such as:

• Data Acquisition Systems: Ensures accurate analog-to-digital conversion with minimal drift.
• Portable and Battery-Powered Devices: Low power consumption extends battery life in wearables and IoT sensors.
• Industrial Control Systems: Reliable performance in harsh environments with temperature fluctuations.
• Medical Equipment: High precision and low noise critical for diagnostic and monitoring devices.
• Automotive Electronics: Stable voltage reference for sensors and control modules.

Conclusion of REF3033AIDBZRG4

The REF3033AIDBZRG4 stands out as a high-performance voltage reference solution, combining precision, low power, and compact design. Its robust specifications make it suitable for a wide range of applications, from portable electronics to industrial systems. While marked as Obsolete, its legacy performance and reliability continue to make it a preferred choice for designers seeking stable voltage references. For modern alternatives, Texas Instruments' updated product lines may offer enhanced features, but the REF3033AIDBZRG4 remains a proven option for critical designs.