Texas Instruments

TLC2652IP

TLC2652IP Description

The TLC2652IP from Texas Instruments is a high-precision, zero-drift operational amplifier from the LinCMOS™ series, designed for applications demanding ultra-low offset voltage and minimal drift over time. This obsolete but historically significant IC features a single-circuit design in an 8-pin DIP through-hole package, making it suitable for legacy systems and prototyping. With an exceptionally low input offset voltage of 0.6 µV and input bias current of 4 pA, it excels in precision signal conditioning. The device operates over a wide supply voltage range (3.8V to 16V) and consumes 1.5mA supply current, balancing performance with power efficiency.

TLC2652IP Features

• Zero-Drift Technology: Eliminates long-term offset voltage drift, ensuring stability in precision applications.
• Ultra-Low Noise: Ideal for sensitive measurements with minimal interference.
• High Gain Bandwidth (1.9 MHz) and Slew Rate (3.1V/µs): Suitable for dynamic signal processing.
• Robust Output: Delivers 50mA output current, supporting moderate load-driving capabilities.
• Wide Supply Range: Operates from 3.8V to 16V, accommodating diverse power supplies.
• Low Power Consumption: 1.5mA supply current makes it energy-efficient for battery-powered systems.
• RoHS3 Compliant & REACH Unaffected: Meets environmental standards despite its obsolete status.

TLC2652IP Applications

The TLC2652IP is particularly suited for:

• Precision Instrumentation: Such as weigh scales, medical sensors, and strain gauges, where minimal offset drift is critical.
• Data Acquisition Systems: High-accuracy ADCs and DACs benefit from its low-noise performance.
• Industrial Control Systems: Used in PID controllers and servo amplifiers due to its stability and wide voltage range.
• Battery-Powered Devices: Portable equipment leveraging its low power draw and precision.
• Legacy System Maintenance: Repair or upgrades of older electronics requiring through-hole components.

Conclusion of TLC2652IP

While obsolete, the TLC2652IP remains a benchmark for zero-drift precision amplifiers, offering unmatched offset stability and low-noise performance. Its LinCMOS™ architecture, combined with a wide operating voltage and moderate power consumption, makes it a versatile choice for high-accuracy analog designs. Engineers working on legacy systems or precision measurement applications may still find it invaluable despite newer alternatives. For modern designs, TI’s updated zero-drift op-amps are recommended, but the TLC2652IP’s historical significance and performance legacy endure.