Texas Instruments TLC27M2AIP

Overview

TLC27M2AIP from Texas Instruments is a dual precision operational amplifier using LinCMOS technology, designed for single-supply operation with rail-to-rail input (extends below negative rail) and output swing to negative rail. It delivers 5 mV max input offset voltage at 25°C, 0.4 V/µs slew rate at VDD = 5 V, and operates across −40°C to 85°C. Used in battery-powered sensor signal conditioning where low power and input common-mode range near ground are critical.

For engineers reviewing the TLC27M2AIP datasheet, TLC27M2AIP pinout, TLC27M2AIP application, or TLC27M2AIP equivalent, key selection criteria include its I-suffix industrial temperature rating, 5 mV offset grade within the TLC27M2 family, plastic DIP (P) package, and compatibility with transducer interfacing, active filtering, and low-voltage analog front-ends requiring stable DC accuracy.

Technical Context

The TLC27M2AIP implements silicon-gate LinCMOS process technology, enabling high input impedance (10¹² Ω typ), ultra-low input bias current (0.6 pA typ at 25°C), and exceptional offset voltage stability over time (0.1 µV/month drift). Its architecture supports true single-supply operation with common-mode input range extending 0.2 V below GND at VDD = 5 V.

It features internal ESD protection rated to 2000 V (MIL-STD-883C, Method 3015.2), latch-up immunity, and robust short-circuit tolerance. The device exhibits 65 dB min CMRR and 70 dB min PSRR across its operating temperature range, making it suitable for noisy industrial environments without external guarding or trimming.

Key Specifications

Pinout & Package

Package: 8-pin plastic DIP (P), through-hole mounting, RoHS-compliant lead finish.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual precision op-amp applications.

Compared with TLV2462IP and LM2904VQPWRQ1, the TLC27M2AIP uniquely balances industrial temperature range, sub-GND input capability, and ultra-low bias current-making it irreplaceable in high-impedance, single-supply sensor interfaces where DC accuracy and long-term drift matter most.

Availability

TLC27M2AIP is available at Aetrix Electronics and suitable for industrial automation, environmental monitoring, and battery-powered sensor systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLC27M2AIP 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-amps and industrial-grade signal chain solutions.

The TLC27M2AIP belongs to TI's LinCMOS dual op-amp product line, engineered specifically for cost-sensitive industrial applications demanding low power, wide supply range, and reliable DC performance without bipolar power supplies.

FAQ

What is the maximum input offset voltage specification for TLC27M2AIP over temperature?

The TLC27M2AIP has a maximum input offset voltage of 7 mV across its full operating range of −40°C to 85°C, with a tighter 5 mV limit specified at 25°C. This graded specification reflects the device's design for industrial applications where moderate DC precision is balanced with cost and power efficiency. The TLC27M2AIP maintains this performance without external trimming or calibration circuits.

Does TLC27M2AIP support true single-supply operation with inputs at ground potential?

Yes, the TLC27M2AIP supports true single-supply operation with inputs extending to −0.2 V below GND at VDD = 5 V, verified per the datasheet's VICR specification. This allows direct connection of ground-referenced transducers (e.g., thermocouples, bridge sensors) without level-shifting networks. The TLC27M2AIP achieves this via its LinCMOS input stage, which avoids the PNP input limitations found in many bipolar op-amps.

What package type and pin count does TLC27M2AIP use?

The TLC27M2AIP uses an 8-pin plastic DIP (P) package with through-hole mounting. This legacy package provides mechanical robustness and ease of prototyping or repair in industrial control panels. Pinout matches industry-standard dual op-amp configuration (SOIC-8 compatible layout), enabling drop-in replacement in existing DIP sockets without footprint changes.

Can TLC27M2AIP drive capacitive loads directly, and what is its phase margin?

The TLC27M2AIP maintains 38° minimum phase margin at unity gain with CL = 20 pF and RL = 100 kΩ, as measured per Figure 3 in the datasheet. It can drive moderate capacitive loads (≤100 pF) directly, but larger loads require isolation resistors (e.g., 10–100 Ω in series with output) to prevent instability. This behavior is consistent across −40°C to 85°C, ensuring predictable performance in variable-temperature deployments.

How does the input bias current of TLC27M2AIP compare to standard bipolar op-amps?

The TLC27M2AIP delivers 0.6 pA typical input bias current at 25°C-over six orders of magnitude lower than typical bipolar op-amps (e.g., LM358: ~45 nA). This ultra-low IB enables accurate amplification of high-impedance sources such as photodiodes, piezoelectric elements, or pH electrodes without significant voltage error. The TLC27M2AIP sustains this advantage across its full temperature range, with IB rising to only 200 pA at 85°C.