Texas Instruments TLC254CNE4

Overview

TLC254CNE4 from Texas Instruments is a LinCMOS™ quad operational amplifier optimized for low-power, single-supply operation across 1.4 V to 16 V. It delivers 10 mV max input offset voltage (25°C), 1 pA typical input bias current, and true rail-to-rail common-mode input range extending to the negative rail - enabling precision signal conditioning in battery-powered sensor interfaces and portable instrumentation.

For engineers reviewing the TLC254CNE4 datasheet, TLC254CNE4 pinout, TLC254CNE4 application, or TLC254CNE4 equivalent, key selection criteria include its ultra-low quiescent current (600 µA typ at 5 V), high CMRR (80 dB typ), and compatibility with energy-constrained designs requiring stable DC accuracy and low-noise analog front-ends.

Technical Context

The TLC254CNE4 implements a silicon-gate LinCMOS™ process architecture that enables stable input-offset voltage grading (10 mV max), extremely high input impedance (>10¹² Ω), and near-zero input bias/offset currents - eliminating the need for large input compensation resistors in high-impedance transducer circuits.

It supports true single-supply operation with common-mode input voltage range including the negative rail (GND), output swing within 50 mV of rails, unity-gain stability, and internal ESD protection rated to 2000 V per MIL-STD-883C Method 3015.1.

Key Specifications

Pinout & Package

Package: 14-pin plastic DIP (N package), through-hole mounting, 0°C to 70°C operating temperature range.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLC27L4CN and LM324N, the TLC254CNE4 offers superior input bias current (1 pA vs. 100 pA/45 nA) and guaranteed rail-to-rail input operation - making it uniquely suitable for high-impedance, low-voltage, and precision DC-coupled applications where leakage and common-mode range are critical.

Availability

TLC254CNE4 is available at Aetrix Electronics and suitable for portable instrumentation, environmental monitoring, industrial sensor nodes, and solar-powered data acquisition systems requiring stable component supply across extended production lifecycles.

Supply support for TLC254CNE4 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, embedded processing, and connectivity technologies with over 90 years of innovation in precision analog design.

The TLC254 series belongs to TI's legacy LinCMOS™ operational amplifier product line, engineered specifically for cost-sensitive, low-power, single-supply applications in portable, battery-operated, and energy-constrained systems.

FAQ

What is the maximum input offset voltage specification for the TLC254CNE4?

The TLC254CNE4 has a maximum input offset voltage of 10 mV at 25°C, as specified in the official Texas Instruments SLOS003G datasheet. This value applies across the full commercial temperature range (0°C to 70°C) with a worst-case limit of 12 mV. The parameter is guaranteed for the "C" grade variant and reflects the device's precision capability in DC-coupled amplifier configurations.

Does the TLC254CNE4 support true single-supply operation with inputs referenced to ground?

Yes, the TLC254CNE4 supports true single-supply operation with its common-mode input voltage range explicitly including the negative rail (GND). Per the datasheet, the input range extends from –0.2 V to (VDD – 1 V) at 5 V supply, allowing direct connection of ground-referenced sensors and enabling simplified circuit topologies without level-shifting components.

What is the typical supply current consumption of the TLC254CNE4 at 5 V?

The TLC254CNE4 draws a typical supply current of 600 µA per device (i.e., for all four amplifiers combined) when operated at 5 V, 25°C, with no load and VIC = 2.5 V. This value increases to 6.4 mA maximum across temperature and conditions, confirming its classification as a low-power quad op-amp suitable for energy-conscious designs.

Can the TLC254CNE4 drive capacitive loads without instability?

The TLC254CNE4 is unity-gain stable and characterized for driving capacitive loads up to 20 pF with RL = 10 kΩ, as shown in the datasheet's operating characteristics. For larger capacitive loads (e.g., >50 pF), external isolation resistance (≥100 Ω) or careful PCB layout is recommended to maintain phase margin above 34° and prevent peaking or oscillation in closed-loop configurations.

Is the TLC254CNE4 pin-compatible with other devices in the TLC25x4 family?

Yes, the TLC254CNE4 shares identical pinout and package (14-pin DIP, N package) with all members of the TLC25x4 family, including TLC254ACNE4, TLC254BCNE4, TLC25L4CNE4, and TLC25M4CNE4. Functional differences (e.g., VIO grade, bias current, slew rate) do not affect mechanical or electrical pin compatibility, enabling drop-in substitution based on performance requirements.