Texas Instruments TL054CDR

Overview

TL054CDR 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-designed for precision analog signal conditioning in instrumentation and sensor interfaces.

For engineers reviewing the TL054CDR datasheet, TL054CDR pinout, TL054CDR application, or TL054CDR equivalent, key selection criteria include input offset voltage (≤5.5 mV max at 25°C), input bias current (≤200 pA), common-mode input range (±11 V at ±15 V supplies), noise performance (10.8 nV/√Hz at 1 kHz), and SOIC-14 package compatibility with legacy TL074/TL084 layouts.

Technical Context

The TL054CDR uses JFET-input stages to achieve ultra-low input bias current and high input resistance (10¹² Ω), enabling accurate amplification of high-impedance sources such as piezoelectric sensors and photodiode transimpedance circuits. Its trimmed offset voltage and low temperature drift (25 μV/°C) support stable DC-coupled operation.

It delivers improved AC performance over TL07x/TL08x families-including higher slew rate and bandwidth-without increased quiescent current (8.1–11.2 mA total for four amplifiers at ±15 V). The device is fully specified for dual-supply operation and requires careful attention to common-mode input limits and output swing when used in single-supply configurations.

Key Specifications

Pinout & Package

TL054CDR is housed in a 14-pin SOIC (D) package measuring 4.90 mm × 3.90 mm, with standard JEDEC MS-012AC footprint and 1.27 mm pitch - compatible with automated SMT assembly and existing TL074/TL084 PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TL074CDR and TL084CDR, TL054CDR offers superior DC accuracy, lower noise, and faster transient response - making it the preferred choice for new designs demanding precision analog signal integrity without layout changes.

Availability

TL054CDR is available at Aetrix Electronics and suitable for instrumentation signal conditioning, audio pre-amplification, active filter banks, and multi-channel sensor interface applications requiring stable component supply and long-term design continuity.

Supply support for TL054CDR 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 expertise in precision op-amp design and manufacturing.

The TL05x family was engineered to deliver enhanced FET-input performance-specifically improved DC accuracy, AC response, and noise-over legacy TL07x/TL08x op-amps while maintaining pin compatibility and power efficiency.

FAQ

What is the maximum supply voltage rating for TL054CDR?

The TL054CDR has an absolute maximum supply voltage rating of ±18 V, with recommended operating range from ±5 V to ±15 V. Operation beyond ±15 V is possible but may impact long-term reliability and is not characterized in the datasheet. For robust designs, stay within the recommended ±15 V limit to ensure guaranteed performance across temperature and process variation.

Does TL054CDR support single-supply operation?

TL054CDR is designed for dual-supply operation and does not feature rail-to-rail input or output. When used in single-supply configurations, external DC biasing is required at inputs and a virtual ground (e.g., TI TLE2426) must be established at mid-supply to maintain proper common-mode range and output swing. The device's specified common-mode input range is –11 V to +11 V at ±15 V supplies, so single-supply use demands careful level-shifting.

How does TL054CDR differ from TL074CDR in practical circuit performance?

TL054CDR improves upon TL074CDR with tighter input offset voltage (5.5 mV vs. 10 mV max), lower input noise (10.8 nV/√Hz vs. 18 nV/√Hz at 1 kHz), faster slew rate (15.4 V/μs vs. 13 V/μs), and better CMRR (84 dB vs. 70 dB typical). These differences translate directly to higher DC accuracy, cleaner audio amplification, and improved stability in high-gain or wideband applications - all without changing PCB layout.

What is the typical input capacitance of TL054CDR and why does it matter?

The TL054CDR has a typical input capacitance of 10 pF per input terminal. This value impacts stability in high-impedance circuits - especially when combined with stray capacitance or long PCB traces - potentially causing peaking or oscillation. Designers should minimize trace length to inputs, use guard rings, and consider series resistance near inputs when driving capacitive sources to maintain phase margin ≥60°.

Can unused amplifiers in the TL054CDR quad package be left unconnected?

No - unused amplifiers in TL054CDR must be configured as unity-gain buffers with inputs tied to a valid common-mode voltage (e.g., mid-supply for single supply or grounded for dual supply) to prevent oscillation and excessive current draw. Leaving inputs floating risks instability due to internal node coupling and can degrade PSRR and noise performance of active channels.