Texas Instruments TLC2252AIPW

Overview

TLC2252AIPW from Texas Instruments is a dual rail-to-rail output, very low-power operational amplifier in an 8-pin TSSOP package. It delivers 35 µA per channel supply current, 19 nV/√Hz input voltage noise at 1 kHz, and 850 µV maximum input offset voltage at 25°C. Designed for single- or split-supply battery-powered signal conditioning, it interfaces directly with ADCs and supports high-impedance sources like piezoelectric transducers.

For engineers reviewing the TLC2252AIPW datasheet, TLC2252AIPW pinout, TLC2252AIPW application, or TLC2252AIPW equivalent, key selection criteria include micropower operation (≤125 µA total), rail-to-rail output swing, low input bias current (1 pA typ), and guaranteed performance over –40°C to 125°C.

Technical Context

The TLC2252AIPW uses Advanced LinCMOS™ process technology to achieve rail-to-rail output swing while maintaining ultra-low quiescent current. Its input stage includes common-mode input voltage range extending to the negative rail, enabling true single-supply operation down to 2.2 V per supply rail.

It features fully specified performance across ±2.2 V to ±8 V supply ranges and operates over –40°C to 125°C. The device exhibits 70 dB minimum CMRR and 80 dB minimum PSRR, with 0.2 MHz gain-bandwidth product and 0.07 V/µs typical slew rate under 5 V supply.

Key Specifications

Pinout & Package

Package: 8-pin TSSOP (PW), 3.0 mm × 4.4 mm, 0.65 mm pitch, exposed pad optional.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual low-power operational amplifier applications.

Compared with TLV2432IDR and OPA2333AIDR, the TLC2252AIPW uniquely balances sub-100 µA total supply current, rail-to-rail output, and 1 pA input bias-making it optimal for battery-powered, high-impedance, wide-temperature analog front-ends where moderate DC precision suffices.

Availability

TLC2252AIPW is available at Aetrix Electronics and suitable for portable medical sensors, automotive cabin air quality monitors, and industrial process transmitters requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLC2252AIPW 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and personal electronics markets.

The TLC225x family was engineered for micropower, rail-to-rail output signal conditioning in battery-constrained and wide-temperature applications-targeting sensor interfaces, portable instrumentation, and automotive subsystems.

FAQ

What is the maximum supply voltage for the TLC2252AIPW?

The TLC2252AIPW supports a maximum supply voltage of ±8 V in split-supply mode or 8 V in single-supply mode. Absolute maximum ratings specify VDD+ ≤ +8 V and VDD– ≥ –8 V. Operation beyond these limits risks permanent damage. Recommended operating range is ±2.2 V to ±8 V or 2.2 V to 8 V, with derating above 25°C ambient per the dissipation rating table in the datasheet. The TLC2252AIPW must never be operated outside these boundaries during design validation or production use.

Does the TLC2252AIPW support rail-to-rail input?

No, the TLC2252AIPW does not support rail-to-rail input. Its common-mode input voltage range extends to the negative rail (VDD–) but only to VDD+ – 1.5 V at room temperature. For example, with a 5 V single supply, the input range is 0 V to 3.5 V. This limitation is explicitly defined in the "Recommended Operating Conditions" table. While the output swings rail-to-rail, the input stage requires headroom on the positive side-making the TLC2252AIPW unsuitable for applications requiring full input voltage coverage across both rails.

What is the typical input bias current of the TLC2252AIPW and why does it matter?

The typical input bias current of the TLC2252AIPW is 1 pA at 25°C, with a maximum of 60 pA over full temperature range. This ultra-low value minimizes voltage drop across high-impedance sensor sources (e.g., piezoelectric transducers, pH electrodes, or photodiode feedback networks), preserving signal fidelity and avoiding measurement errors. In a 1 GΩ source impedance, 1 pA generates only 1 mV offset-critical for precision front-end designs. The TLC2252AIPW achieves this using Advanced LinCMOS™ process technology, distinguishing it from bipolar-input op-amps with nanoampere-level bias currents.

Can the TLC2252AIPW drive capacitive loads directly?

The TLC2252AIPW is not characterized for direct capacitive load driving beyond 100 pF without external compensation. Datasheet stability testing assumes CL ≤ 100 pF with RL = 50 kΩ, yielding 63° phase margin. Driving larger capacitive loads (e.g., ADC input capacitance >100 pF or cable capacitance) may cause peaking or oscillation. TI recommends isolating the output with a series resistor (≥100 Ω) or using a unity-gain stable op-amp variant if heavy capacitive loading is unavoidable. The TLC2252AIPW's closed-loop output impedance is 200 Ω at 25 kHz, confirming limited inherent drive strength.

How does the TLC2252AIPW differ from the standard TLC2252IPW?

The TLC2252AIPW differs from the TLC2252IPW in input offset voltage specification: the "A" suffix denotes the precision grade with 850 µV maximum VIO at 25°C, versus 1500 µV for the standard TLC2252IPW. Both share identical pinout, package (TSSOP-8), supply current (35 µA/ch), noise (19 nV/√Hz), and temperature range (–40°C to 125°C). The "A" grade undergoes tighter factory trimming, making the TLC2252AIPW preferred for DC-critical applications like precision sensor bridges or calibrated reference buffers where offset-induced gain error must remain below 0.05%.