Texas Instruments TLC27L2BIP

Overview

TLC27L2BIP from Texas Instruments is a precision dual CMOS operational amplifier optimized for low-power, single-supply sensor signal conditioning. It delivers 2 mV max input offset voltage at 25°C, ultra-low 34 µA typical supply current (VDD = 5 V), and rail-to-rail output swing down to the negative rail - enabling accurate amplification in battery-powered field transmitters and smoke detectors.

For engineers reviewing the TLC27L2BIP datasheet, TLC27L2BIP pinout, TLC27L2BIP application, or TLC27L2BIP equivalent, key selection criteria include its 2 mV precision grade, −0.2 V to 3.5 V common-mode input range at 5 V supply, 85 kHz unity-gain bandwidth, LinCMOS™ input impedance (>10¹² Ω), and SOIC-8 package compatibility with legacy analog signal chains.

Technical Context

The TLC27L2BIP uses Texas Instruments' silicon-gate LinCMOS™ process to achieve stable input offset voltage (2 mV max, 1.1 µV/°C drift) and femtoamp-level input bias current (0.6–60 pA), eliminating thermal drift errors in high-impedance sensor interfaces. Its common-mode input range extends 0.2 V below ground, supporting true single-supply operation without level-shifting circuitry.

Designed for industrial temperature range (−40°C to +85°C), the device maintains 50 V/mV large-signal voltage gain and 65 dB minimum CMRR across operating conditions, while consuming only 95 µW at 25°C - making it suitable for remote, low-duty-cycle sensing nodes where power and accuracy are co-constrained.

Key Specifications

Pinout & Package

Package: 8-pin SOIC (Small Outline Integrated Circuit), 3.9 mm × 4.9 mm body, 1.27 mm pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLC27L2I, TLC27L2BIP offers identical electrical specs and temperature rating - differing only in orderable part marking. Against TLV2462IDR, TLC27L2BIP provides 4.4× lower supply current and superior DC precision at the cost of bandwidth, making it optimal for static or slowly varying sensor signals.

Availability

TLC27L2BIP is available at Aetrix Electronics and suitable for field transmitter and sensor conditioning, smoke/heat detector analog front-ends, and motion detector signal chains requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for TLC27L2BIP 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 specializing in analog and embedded processing technologies, with leadership in precision analog ICs for industrial, automotive, and sensing applications.

The TLC27Lx product line was designed specifically for ultra-low-power, high-precision sensor signal conditioning in battery-operated and harsh-environment industrial systems - emphasizing offset stability, input impedance, and single-supply usability.

FAQ

What is the maximum input offset voltage specification for TLC27L2BIP at 25°C?

The maximum input offset voltage for TLC27L2BIP at 25°C is 2 mV, as specified in the Electrical Characteristics table for the I-suffix (industrial temperature range) devices. This value is guaranteed across the full operating temperature range of −40°C to +85°C, with a typical drift of 1.1 µV/°C. The TLC27L2BIP achieves this precision using TI's LinCMOS™ process, ensuring stability over time and temperature without external trimming.

Does TLC27L2BIP support true single-supply operation with inputs below ground?

Yes, TLC27L2BIP supports true single-supply operation with its common-mode input voltage range extending to −0.2 V at VDD = 5 V. This allows direct connection of sensors whose output can go slightly below ground (e.g., bridge circuits with imperfect excitation), eliminating the need for level-shifting circuitry. The specification is validated across the full industrial temperature range and applies independently to each input terminal.

What is the typical supply current consumption of TLC27L2BIP at 5 V supply?

The typical supply current for TLC27L2BIP is 34 µA at VDD = 5 V and 25°C, with a maximum of 42 µA at 70°C. This ultra-low quiescent current enables multi-year battery life in always-on sensor nodes - for example, a 250 mAh coin cell powering two TLC27L2BIP amplifiers would last over 8 years at continuous operation. The current remains stable across supply voltages from 4 V to 16 V.

Which package types are available for TLC27L2BIP, and what is its footprint compatibility?

TLC27L2BIP is supplied exclusively in the 8-pin SOIC (D) package (3.9 mm × 4.9 mm, 1.27 mm pitch). It shares pinout and footprint compatibility with industry-standard SOIC-8 op amps including TLC27L2, TLC27L2A, and TLC27L7 variants. No PDIP, SOP, or TSSOP variants exist for the B-grade industrial version - only the D (SOIC) package is orderable under the TLC27L2BIP designation.

How does the input bias current of TLC27L2BIP affect high-impedance sensor interfacing?

TLC27L2BIP exhibits an input bias current of 0.6–60 pA (25°C to 70°C), enabling accurate amplification of signals from sensors with source impedances up to 100 MΩ - such as pH electrodes, pyroelectric detectors, or high-value thermistor networks. At 70°C, the 60 pA max bias introduces <6 µV error across a 100 MΩ source, preserving DC accuracy without guard traces or active guarding. This performance stems directly from its LinCMOS™ gate oxide structure.