Texas Instruments TLC27M2BCD

Overview

TLC27M2BCD from Texas Instruments is a dual precision LinCMOS operational amplifier with 2 mV max input offset voltage at 25°C, rail-to-rail output swing (includes negative rail), and operation from 3 V to 16 V supply across 0°C to 70°C. It delivers 0.40 V/µs slew rate, 32 nV/√Hz input noise at 1 kHz, and 525 kHz unity-gain bandwidth at VDD = 5 V - enabling low-power sensor signal conditioning in battery-powered instrumentation.

For engineers reviewing the TLC27M2BCD datasheet, TLC27M2BCD pinout, TLC27M2BCD application, or TLC27M2BCD equivalent, key selection considerations include its C-suffix commercial temperature grade, D-package SOIC-8 footprint, single-supply capability down to 3 V, high input impedance (10¹² Ω), and ESD protection rated to 2000 V per MIL-STD-883C Method 3015.2.

Technical Context

The TLC27M2BCD uses silicon-gate LinCMOS process technology to achieve stable offset voltage performance far exceeding metal-gate alternatives, with typical input offset drift of 0.1 µV/month including first 30 days. Its architecture supports common-mode input voltage extending below the negative rail (down to −0.2 V at VDD = 5 V), enabling true single-supply transducer interfacing without level-shifting circuitry.

Designed for low-power analog signal processing, it features internal ESD-protection circuits, latch-up immunity, and robust absolute maximum ratings - including ±30 mA output current per amplifier, 18 V supply voltage limit, and unlimited short-circuit duration at ≤25°C when power dissipation remains within package limits.

Key Specifications

Pinout & Package

Package: SOIC-8 (D package), surface-mount, 150 mil width, tape-and-reel compatible (R suffix available).

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV2462CD and LMV358IDR, the TLC27M2BCD uniquely supports 3–16 V operation with guaranteed −0.2 V input capability and 2 mV VIO - making it the only option among the three for wide-input-range, single-supply industrial sensor nodes requiring long-term offset stability.

Availability

TLC27M2BCD is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, portable battery-powered instrumentation, medical patient monitoring front-ends, and automotive cabin climate sensor interfaces requiring stable component supply across extended temperature and voltage ranges.

Supply support for TLC27M2BCD 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 company headquartered in Dallas, Texas, delivering analog and embedded processing solutions since 1930.

The TLC27M2BCD belongs to TI's LinCMOS precision op-amp family, designed specifically for cost-sensitive industrial and instrumentation applications requiring stable DC performance, single-supply operation, and robust ESD tolerance.

FAQ

What is the maximum operating supply voltage for the TLC27M2BCD?

The TLC27M2BCD has an absolute maximum supply voltage rating of 18 V, with recommended operation from 3 V to 16 V across the 0°C to 70°C temperature range. Exceeding 16 V may compromise long-term reliability and is not characterized in the datasheet. The TLC27M2BCD maintains full functionality at both 3 V (e.g., single Li-ion) and 12 V (industrial bus) rails without derating.

Does the TLC27M2BCD support true single-supply operation with inputs referenced to ground?

Yes, the TLC27M2BCD supports true single-supply operation with inputs referenced to ground: its common-mode input voltage range extends to −0.2 V below GND at VDD = 5 V, and output swing includes the negative rail (VOL ≤ 50 mV). This eliminates the need for input biasing networks or dual supplies in ground-referenced sensor interfaces - a key differentiator from many general-purpose op-amps.

What is the input offset voltage specification for the TLC27M2BCD over temperature?

The TLC27M2BCD has a maximum input offset voltage of 2 mV at 25°C, and up to 3 mV across the full 0°C to 70°C operating range (tested under RS = 50 Ω, VIC = 0, RL = 100 kΩ). Its average temperature coefficient is 1.7 µV/°C (25°C to 70°C), resulting in predictable, linear drift - critical for uncalibrated systems where thermal compensation is impractical.

Can the TLC27M2BCD drive capacitive loads without instability?

The TLC27M2BCD is characterized for stable operation with 20 pF load capacitance (CL = 20 pF) and 100 kΩ load resistance (RL = 100 kΩ), achieving 40° phase margin at unity gain. For larger capacitive loads (>100 pF), external isolation resistance (e.g., 10–100 Ω in series with the output) is recommended to maintain stability - confirmed by Figure 3 in the SLOS051E datasheet.

Is the TLC27M2BCD pin-compatible with other devices in the TLC27Mx family?

Yes, the TLC27M2BCD shares identical SOIC-8 (D) pinout with all C-suffix variants in the TLC27Mx family - including TLC27M2ACD, TLC27M2CD, TLC27M7CD, and TLC27M2CP. This allows drop-in replacement during prototyping or production for different offset voltage grades (10 mV to 500 µV) without PCB revision, provided thermal and supply constraints remain within spec.