Texas Instruments

REF1004C-2.5

REF1004C-2.5 Description

The REF1004C-2.5 from Texas Instruments is a high-precision shunt voltage reference designed for applications requiring stable and accurate voltage regulation. This fixed 2.5V output reference offers a tight ±0.4% tolerance and a low temperature coefficient of 20ppm/°C (typical), ensuring reliable performance across a wide operating temperature range of 0°C to 70°C (TA). Packaged in an 8-pin SOIC tube, it is optimized for surface-mount applications and complies with ROHS3 and REACH environmental standards.

REF1004C-2.5 Features

• Output Type: Fixed 2.5V with ±0.4% tolerance for precision voltage regulation.
• Low Noise: 120µVrms noise performance from 10Hz to 10kHz, ideal for sensitive analog circuits.
• Stable Performance: 20ppm/°C typical temperature coefficient ensures minimal drift.
• Low Cathode Current: 20 µA typical, reducing power consumption in battery-operated systems.
• Robust Packaging: MSL 3 (168 hours) moisture sensitivity rating ensures reliability in humid environments.
• Compliance: ROHS3 compliant and REACH unaffected, meeting stringent environmental standards.
• Last Time Buy Status: Available for final procurement before discontinuation.

REF1004C-2.5 Applications

The REF1004C-2.5 is ideal for precision voltage reference applications, including:

• Data Acquisition Systems: Ensures accurate analog-to-digital conversion.
• Industrial Control Systems: Provides stable voltage for sensors and instrumentation.
• Portable Electronics: Low cathode current (20 µA) extends battery life in handheld devices.
• Medical Equipment: High stability and low noise support critical measurements.
• Automotive Electronics: Reliable performance in moderate-temperature environments.

Conclusion of REF1004C-2.5

The REF1004C-2.5 stands out as a high-performance shunt voltage reference, combining low noise, excellent temperature stability, and precision tolerance in a compact 8-SOIC package. Its low power consumption and compliance with environmental standards make it suitable for industrial, medical, and portable applications. While marked as Last Time Buy, it remains a dependable choice for designers needing a stable 2.5V reference with proven reliability from Texas Instruments.