Texas Instruments

REF3450SQDBVRQ1

REF3450SQDBVRQ1 Description

The REF3450SQDBVRQ1 is a high-precision, low-noise voltage reference from Texas Instruments, designed for demanding automotive applications. This device offers a fixed output voltage of 5V with an exceptional tolerance of ±0.05%, ensuring highly accurate voltage references in various electronic systems. The REF3450SQDBVRQ1 operates within an input voltage range of 5.5V to 12V and features a low supply current of 95µA, making it energy-efficient and suitable for applications where power consumption is critical.

The device's temperature coefficient of 6ppm/°C ensures minimal drift over a wide temperature range, providing stable performance in varying environmental conditions. Additionally, the REF3450SQDBVRQ1 boasts a low noise level of 24µVrms from 10Hz to 10kHz, which is crucial for applications requiring high signal integrity and low noise interference.

Packaged in a compact SOT23-5 surface-mount package, the REF3450SQDBVRQ1 is available in tape and reel format, facilitating easy integration into modern automotive electronic systems. It complies with stringent industry standards, including REACH and ROHS3, and is classified under ECCN EAR99 and HTSUS 8542.39.0001.

REF3450SQDBVRQ1 Features

• High Precision: ±0.05% tolerance ensures highly accurate voltage references.
• Low Noise: 24µVrms noise from 10Hz to 10kHz, ideal for sensitive applications.
• Stable Performance: 6ppm/°C temperature coefficient minimizes drift over temperature variations.
• Energy Efficient: Low supply current of 95µA, suitable for power-sensitive designs.
• Wide Input Voltage Range: Operates from 5.5V to 12V, providing flexibility in power supply requirements.
• Automotive Grade: Designed to meet the rigorous standards of automotive applications.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance.
• Compact Packaging: SOT23-5 surface-mount package with tape and reel format for easy integration.

REF3450SQDBVRQ1 Applications

The REF3450SQDBVRQ1 is ideal for a variety of automotive applications where high precision and low noise are critical. Specific use cases include:

• Automotive Sensors: Provides a stable reference voltage for accurate sensor measurements.
• Battery Management Systems: Ensures precise voltage monitoring and control.
• Instrumentation: Used in automotive diagnostic tools for accurate readings.
• Power Management: Ideal for voltage regulation in automotive electronic control units (ECUs).
• Infotainment Systems: Ensures stable performance in automotive infotainment systems.

Conclusion of REF3450SQDBVRQ1

The REF3450SQDBVRQ1 from Texas Instruments stands out as a high-performance voltage reference tailored for automotive applications. Its combination of high precision, low noise, and stable performance makes it an ideal choice for applications requiring accurate and reliable voltage references. The device's compact packaging and compliance with industry standards further enhance its suitability for modern automotive electronics. Whether used in battery management, sensor systems, or infotainment, the REF3450SQDBVRQ1 delivers exceptional performance and reliability, making it a preferred choice for engineers and designers in the automotive industry.