Texas Instruments TLC27L2MDRG4

Overview

TLC27L2MDRG4 from Texas Instruments is a precision dual CMOS operational amplifier designed for low-power, wide-temperature industrial and military applications. It delivers 10 mV max input offset voltage at 25°C, ultra-low 34 µA typical supply current (two amplifiers), and operates from 4 V to 16 V across −55°C to +125°C. Its rail-to-rail output swing and negative-rail-input capability support single-supply sensor signal conditioning in battery-powered field transmitters.

For engineers reviewing the TLC27L2MDRG4 datasheet, TLC27L2MDRG4 pinout, TLC27L2MDRG4 application, or TLC27L2MDRG4 equivalent, key selection criteria include its M-suffix military temperature rating, LinCMOS™ input impedance (>10¹² Ω), input offset drift (1.4 µV/°C over −55°C to +125°C), and ESD protection rated to 2000 V per MIL-STD-883C Method 3015.2.

Technical Context

The TLC27L2MDRG4 uses Texas Instruments' silicon-gate LinCMOS™ process to achieve high DC precision with extreme input impedance and minimal bias currents-critical for high-impedance sensor interfaces like pressure or temperature transmitters. Its architecture supports single-supply operation with common-mode input range extending to the negative rail (GND) and output swing to within 50 mV of GND.

It features internal ESD-protection circuitry and latch-up immunity, enabling robust deployment in harsh environments. The device maintains stable gain (AVD ≥ 25 V/mV at 125°C) and phase margin (≥25° at 125°C) under full military temperature extremes, ensuring reliable closed-loop performance in analog front-ends without external compensation.

Key Specifications

Pinout & Package

Package: SOIC-8 (D package), 3.9 mm × 4.9 mm, surface-mount, tape-and-reel compatible.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLC27L2CDR and TLC27L2IDR, the TLC27L2MDRG4 provides guaranteed operation down to −55°C and up to +125°C-critical for aerospace, defense, and oil/gas downhole electronics-while maintaining identical SOIC-8 footprint and functional compatibility.

Availability

TLC27L2MDRG4 is available at Aetrix Electronics and suitable for industrial process transmitters, military avionics signal conditioning, and downhole oilfield sensor modules requiring stable component supply across extreme temperature cycles and long service lifetimes.

Supply support for TLC27L2MDRG4 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 military-qualified components.

The TLC27Lx family was engineered to replace bipolar op amps in battery-powered and high-impedance sensor applications-delivering LinCMOS™ precision, ultra-low power, and extended temperature reliability without sacrificing DC accuracy.

FAQ

What is the maximum operating temperature range for the TLC27L2MDRG4?

The TLC27L2MDRG4 is specified for continuous operation from −55°C to +125°C-the full military temperature range. This rating is validated per TI's qualification standards and applies across all electrical parameters in the datasheet's Section 5.12 through 5.15, including supply current, input offset voltage, and common-mode input range. The M-suffix explicitly denotes this extended grade.

Does the TLC27L2MDRG4 support true single-supply operation with input signals at ground potential?

Yes. The TLC27L2MDRG4's common-mode input voltage range includes the negative rail (GND) across its full temperature range, as confirmed in Section 5.3 and Table 5.12 (VICR = 0 V to 3.5 V at VDD = 5 V, −55°C to +125°C). This allows direct connection of ground-referenced sensors-such as bridge transducers-without level-shifting circuitry.

What is the typical supply current consumption of the TLC27L2MDRG4 at 25°C?

The TLC27L2MDRG4 draws 34 µA typical supply current (IDD) for both amplifiers combined at 25°C and VDD = 5 V, per Section 5.12 of the datasheet. At 125°C, IDD drops to 24 µA (max), confirming its ultra-low-power LinCMOS™ design. This enables multi-year operation in energy-constrained applications like wireless sensor nodes.

Is the TLC27L2MDRG4 pin-compatible with other variants in the TLC27Lx family?

Yes. The TLC27L2MDRG4 uses the standard SOIC-8 (D) package with identical pin configuration to TLC27L2CDR, TLC27L2IDR, and TLC27L2ADRG4. Pin functions-including 1IN+, 1IN–, 1OUT, GND, 2IN+, 2IN–, 2OUT, and VDD-are fully consistent across all D-package variants, enabling drop-in replacement where temperature grade permits.

What level of ESD protection does the TLC27L2MDRG4 provide?

The TLC27L2MDRG4 incorporates internal ESD-protection circuitry rated to 2000 V per Human Body Model (HBM), tested per MIL-STD-883C, Method 3015.2. This is explicitly stated in Section 3 of the datasheet and applies across all pins. While robust, proper ESD handling procedures remain essential to preserve parametric performance.