Texas Instruments TL054CN

Overview

TL054CN from Texas Instruments is a quad FET-input operational amplifier with on-chip offset-voltage trimming, 4.5 MHz unity-gain bandwidth, 15.4 V/μs positive slew rate, and ±15 V supply capability. It delivers enhanced DC precision and AC performance over TL07x/TL08x families while maintaining pin compatibility for drop-in upgrades in instrumentation, sensor interface, and audio signal conditioning circuits.

For engineers reviewing the TL054CN datasheet, TL054CN pinout, TL054CN application, or TL054CN equivalent, key selection criteria include input offset voltage (≤5.5 mV typ at 25°C), input bias current (≤200 pA max), common-mode input range (±11 V at ±15 V supplies), output swing (±11.5 V into 2 kΩ), and thermal performance (θ_JA = 80 °C/W in PDIP-14).

Technical Context

The TL054CN uses a JFET-input front-end architecture to achieve ultra-low input bias current and high input resistance (10¹² Ω), enabling accurate amplification of high-impedance sources without loading error. Its internal offset-trimming process ensures stable DC performance across temperature (25 μV/°C tempco) and time (0.04 μV/month long-term drift).

Designed for dual-supply operation, it supports ±5 V to ±15 V rails and features rail-to-rail output swing limitations (±11.5 V into 2 kΩ at ±15 V). The 60° phase margin and 4.5 MHz bandwidth support stable unity-gain configurations with moderate capacitive loads, though series output resistance is recommended for >1000 pF loads.

Key Specifications

Pinout & Package

TL054CN is supplied in a 14-pin plastic dual in-line package (PDIP, body size 19.30 mm × 6.30 mm), optimized for manual assembly and socket-based evaluation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad FET-input operational amplifier applications.

Compared with TL084CN and TL074CN, TL054CN provides superior DC accuracy and balanced AC performance-its trimmed offset and 200 pA bias current make it optimal for precision sensor front-ends where TL084CN lacks stability and TL074CN introduces loading error.

Availability

TL054CN is available at Aetrix Electronics and suitable for industrial process monitoring, instrumentation signal conditioning, and audio pre-amplification requiring stable component supply across extended production lifecycles.

Supply support for TL054CN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of heritage in precision op-amp design and manufacturing.

The TL05x family was engineered to deliver enhanced FET-input performance-specifically improved DC accuracy, faster slew rate, and wider bandwidth-while maintaining pin compatibility with legacy TL07x/TL08x designs for seamless system upgrades.

FAQ

What is the maximum supply voltage rating for TL054CN?

The TL054CN has an absolute maximum supply voltage rating of ±18 V, with recommended operating range of ±5 V to ±15 V. Operation at ±15 V is fully characterized across temperature and ensures specified performance for parameters including output swing (±11.5 V into 2 kΩ), CMRR (92 dB), and slew rate (15.4 V/μs). Exceeding ±18 V risks permanent damage per Absolute Maximum Ratings table in SLOS178B.

Does TL054CN support single-supply operation?

The TL054CN is designed for dual-supply operation and does not feature rail-to-rail input or output. When used with single supplies, DC biasing of inputs to mid-rail and use of a virtual ground (e.g., TI TLE2426) is mandatory to stay within common-mode input limits (–11 V to +11 V at ±15 V) and avoid saturation. No guaranteed performance is specified for true single-supply configurations in the TL054CN datasheet.

How does TL054CN differ from TL084CN in practical circuit design?

The TL054CN improves upon TL084CN with on-chip offset trimming (5.5 mV vs 15 mV max V_IO), higher CMRR (92 dB vs 80 dB), faster slew rate (15.4 V/μs vs 13 V/μs), and lower input bias current (200 pA vs 2 nA). These differences directly impact precision sensor interfaces: TL054CN reduces DC error in strain gauge bridges and eliminates loading-induced drift in high-impedance pH electrodes where TL084CN would degrade accuracy.

What is the thermal performance of TL054CN in PDIP-14 package?

The TL054CN in PDIP-14 (N package) has a junction-to-ambient thermal resistance (θ_JA) of 80 °C/W under standard JEDEC conditions. At 8.4 mA supply current and ±15 V rails, power dissipation is ~252 mW, resulting in ~20 °C junction-to-ambient rise above ambient. This allows reliable operation up to +85 °C ambient when mounted on FR-4 with minimal copper area, per Thermal Information section of SLOS178B.

Can unused amplifiers in TL054CN be left floating?

No-unused amplifiers in TL054CN must not be left floating. Per TI application guidance, they should be configured as grounded unity-gain followers (non-inverting input tied to ground, output connected to inverting input) to prevent oscillation, input stage instability, or increased supply current. Floating inputs can cause unpredictable bias point shifts and degrade crosstalk performance between active channels.