TLC271ACP TI Low Power Programmable Op Amp DIP‑8 Pack of 2

Description

Product Overview

The TI TLC271ACP is a LinCMOS™ programmable low‑power operational amplifier designed for a broad range of analog signal processing tasks. Packaged in a breadboard‑friendly DIP‑8 form factor, this device delivers reliable performance across a supply voltage span of 3 V to 16 V, making it suitable for both low‑voltage battery‑powered designs and higher‑voltage industrial applications. Its single‑supply operation, combined with built‑in latch‑up immunity, ensures stable functionality even in harsh electrical environments. The amplifier features a common‑mode input range that extends below the negative rail, allowing signal swing close to ground without sacrificing linearity. With a typical input bias current of 1 pA and an input impedance of 10¹² Ω, the TLC271ACP presents virtually no loading on preceding stages, preserving signal integrity throughout the chain.

Key specifications include a low noise density of 25 nV/√Hz (high‑bias mode) measured at 1 kHz, an output voltage swing that reaches the negative rail, and robust ESD‑protection circuitry that safeguards the device during handling and board assembly. The amplifier’s voltage‑feedback architecture provides predictable gain settings and easy compensation, while the programmable gain feature enables designers to fine‑tune performance without adding external components. This flexibility reduces BOM cost and simplifies layout, especially in compact or space‑constrained designs.

Usage

The TLC271ACP excels in applications where low power consumption and high precision are paramount. Typical use cases include sensor front‑ends for temperature, pressure, and light detection, where the ability to operate from a single low‑voltage supply reduces overall system power draw. Its low noise floor makes it an excellent choice for instrumentation amplifiers in medical devices, laboratory equipment, and audio pre‑amplifiers, where preserving signal fidelity is critical.

In industrial settings, the amplifier can be employed in voltage‑feedback control loops, signal conditioning for analog‑to‑digital converters, and as a buffer stage in data acquisition systems. The wide operating temperature range (−40 °C to +125 °C depending on the selected supply voltage) ensures reliable performance in both indoor and outdoor environments, from consumer electronics to rugged field equipment. Designers can also leverage the programmable gain capability to adapt the amplifier to varying sensor output levels, eliminating the need for multiple fixed‑gain components.

Because the device is housed in a DIP‑8 package, it is ideal for rapid prototyping on breadboards or through‑hole PCBs, allowing engineers to iterate quickly before moving to surface‑mount production. The built‑in latch‑up immunity and ESD protection further simplify handling during assembly and testing, reducing the risk of damage from static discharge or voltage spikes.

Why Choose Us

Choosing the TI TLC271ACP means partnering with a trusted industry leader known for delivering high‑quality semiconductor solutions. Texas Instruments provides comprehensive documentation, including detailed datasheets, application notes, and reference designs that accelerate development and reduce time‑to‑market. Our distribution network ensures fast, reliable delivery of the pack‑of‑two configuration, giving you the flexibility to stock spare parts or prototype multiple designs simultaneously.

Quality assurance is built into every step of the manufacturing process. The TLC271ACP undergoes rigorous testing for performance consistency, temperature stability, and long‑term reliability, meeting or exceeding industry standards for voltage‑feedback amplifiers. In addition, TI’s commitment to sustainability means the product is manufactured using environmentally responsible processes, aligning with green‑design initiatives.

Customer support extends beyond the point of sale. Our technical support engineers are available to assist with design challenges, provide guidance on optimal circuit configurations, and troubleshoot any issues that arise during integration. We also offer a robust warranty and return policy, giving you confidence that your investment is protected.

Key Features

• Wide supply voltage range (3 V‑16 V) supports diverse power environments
• Ultra‑low noise of 25 nV/√Hz ensures high‑fidelity signal amplification
• Programmable gain reduces component count and simplifies design
• High input impedance (10¹² Ω) minimizes loading on sensor sources
• Comprehensive technical support and fast delivery for rapid prototyping

FAQ

What is the recommended supply voltage for optimal noise performance?

The amplifier achieves its lowest noise density of 25 nV/√Hz when operated at a supply voltage of 5 V to 12 V. Within this range, the device balances power consumption and performance, making it ideal for precision sensor applications.

Can the TLC271ACP be used in single‑supply or dual‑supply configurations?

Yes. The device is designed for single‑supply operation, but it can also be powered from dual supplies (e.g., ±5 V) if the application requires symmetrical headroom around ground. The common‑mode input range automatically adjusts to accommodate the chosen supply scheme.

How does the programmable gain feature work?

The programmable gain is set via external resistor networks that define the feedback ratio. By selecting appropriate resistor values, designers can achieve a wide range of gains without adding extra gain‑setting components, simplifying the circuit and reducing BOM cost.

Is the DIP‑8 package suitable for surface‑mount production?

While the DIP‑8 package is primarily intended for through‑hole assembly and prototyping, it can be adapted for surface‑mount processes using specialized mounting techniques. However, for high‑volume production, TI also offers surface‑mount variants of the same amplifier family.

What protection does the device offer against electrostatic discharge?

The TLC271ACP includes built‑in ESD protection circuitry that complies with IEC 61000‑4‑2 standards. This protection helps prevent damage from static discharge during handling, assembly, or field service, enhancing overall reliability.