Texas Instruments TLV2442AIPW

Overview

TLV2442AIPW from Texas Instruments is a dual rail-to-rail output operational amplifier optimized for low-voltage operation (2.7 V to 10 V), featuring 950 µV max input offset voltage at 25°C, 1.8 MHz gain-bandwidth product, 750 µA per channel supply current, and 600-Ω output drive capability. It enables high-dynamic-range signal conditioning in single-supply sensor interfaces and ADC driver stages.

For engineers reviewing the TLV2442AIPW datasheet, TLV2442AIPW pinout, TLV2442AIPW application, or TLV2442AIPW equivalent, key selection criteria include guaranteed rail-to-rail output swing, extended common-mode input range (0 V to 4.25 V at 5 V supply), absence of phase inversion, low 16 nV/√Hz input noise, and I²C-incompatible analog performance requiring precise biasing and layout for stability.

Technical Context

The TLV2442AIPW employs Advanced LinCMOS™ process technology to achieve rail-to-rail output swing without phase inversion when common-mode inputs reach either supply rail. Its input stage operates over an extended common-mode range (0 V to V_DD – 1 V at 3 V, 0 V to V_DD – 1.3 V at 5 V) while maintaining 1000 GΩ differential and common-mode input resistance.

Internal compensation ensures unity-gain stability with 600-Ω loads and 100 pF capacitive loads, delivering 0.75 V/µs slew rate and 68° phase margin at 5 V. The device is fully characterized across –40°C to +85°C and supports precision applications via its 950 µV max V_IO specification.

Key Specifications

Pinout & Package

TSSOP-8 package (PW), 3.0 mm × 4.4 mm body, 0.65 mm pitch, exposed thermal pad not electrically connected.

Key Features

Applications

Equivalent & Alternatives

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

Compared with OPA2340UA and MCP6022-I/SN, TLV2442AIPW uniquely balances 1.8 MHz bandwidth, 950 µV offset, 600-Ω drive, and 750 µA quiescent current - making it optimal for cost-sensitive industrial sensors and battery-powered medical devices where all four parameters matter.

Availability

TLV2442AIPW is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, portable medical instrumentation, telecom line driver interface, and ADC reference buffer applications requiring stable component supply across extended temperature ranges.

Supply support for TLV2442AIPW 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 over 90 years of innovation in precision analog ICs.

The TLV244x family was designed for low-voltage, rail-to-rail output precision amplification in space-constrained, power-sensitive systems - targeting industrial automation, portable instrumentation, and telecom infrastructure.

FAQ

What is the maximum operating temperature range for TLV2442AIPW?

The TLV2442AIPW is rated for operation from –40°C to +85°C, as indicated by the 'I' temperature suffix in the part number. This range is validated per TI's characterization data and supports deployment in industrial control cabinets and automotive cabin electronics where ambient temperatures exceed consumer-grade limits. All electrical specifications in the datasheet apply across this full range unless otherwise noted.

Does TLV2442AIPW support true rail-to-rail input operation?

No, TLV2442AIPW provides rail-to-rail *output* swing but not rail-to-rail *input*. Its common-mode input voltage range extends from V_SS to V_DD – 1.3 V at 5 V supply (0 V to 4.25 V min), which exceeds standard CMOS op-amps but does not include the positive rail. For true rail-to-rail input, consider TI's TLV27x or OPA333 families. TLV2442AIPW avoids phase inversion at the rails, a key advantage over older input-stage architectures.

Can TLV2442AIPW drive a 1000-pF capacitive load stably?

No - TLV2442AIPW is compensated for stability with ≤100 pF capacitive load when driving a 600-Ω resistor. Driving 1000 pF directly risks oscillation due to phase margin reduction below 45°. To drive heavier capacitive loads, add a series isolation resistor (≥100 Ω) between the output and capacitance, or use a unity-gain stable op-amp like the OPA365. The datasheet specifies 68° phase margin only under RL = 600 Ω / CL = 100 pF conditions.

What is the purpose of the NC pin on TLV2442AIPW?

TLV2442AIPW in TSSOP-8 (PW) package has no NC (No Connect) pins - all eight pins are functional: two inputs and one output per channel, plus shared V_DD and GND. The datasheet's FK and U package diagrams show NC pins, but those do not apply to the PW variant. Misidentifying pins as NC could lead to incorrect PCB layout; always verify against the PW-specific pin diagram in SLOS169H Figure "TLV2442 PW PACKAGE (TOP VIEW)".

How does the 950 µV max input offset voltage of TLV2442AIPW compare to the standard TLV2442 version?

The TLV2442AIPW guarantees ≤950 µV max input offset voltage at 25°C, whereas the base TLV2442CPW is specified at ≤2.5 mV max. This tighter V_IO bin enables higher-accuracy DC-coupled amplification without trimming - critical in precision weigh scales and calibrated sensor modules. Both share identical AC performance, supply current, and output drive, so the 'A' suffix denotes enhanced DC precision without trade-offs in speed or power.