Texas Instruments TLV9161IDBVR

Overview

TLV9161IDBVR from Texas Instruments is a single-channel, rail-to-rail input/output precision operational amplifier optimized for high-accuracy signal conditioning in industrial and test equipment. It delivers ±210 µV offset voltage, 11 MHz gain-bandwidth, 33 V/µs slew rate, and operates from 2.7 V to 16 V supply with 2.4 mA quiescent current per amplifier.

For engineers reviewing the TLV9161IDBVR datasheet, TLV9161IDBVR pinout, TLV9161IDBVR application, or TLV9161IDBVR equivalent, key selection considerations include low-noise performance (6.8 nV/√Hz at 1 kHz), MUX-friendly input stage enabling comparator use, robust EMIRR, and operation across –40°C to +125°C.

Technical Context

The TLV9161IDBVR employs a dual-input-stage architecture supporting rail-to-rail common-mode input voltage (V– to V+) and differential input operation up to supply rails-enabling direct use in multiplexed sensor front-ends and open-loop comparator configurations. Its PMOS/NMOS input pair ensures stable CMRR (>110 dB at 16 V) across full common-mode range.

Internally compensated for unity-gain stability, it achieves 64° phase margin with 20 pF capacitive load and drives ±73 mA short-circuit output current. The device maintains low offset drift (±0.25 µV/°C) and 4.2 nV/√Hz broadband noise, making it suitable for precision DC-coupled amplification and fast settling (<0.7 µs to 0.1%) in data acquisition systems.

Key Specifications

Pinout & Package

TLV9161IDBVR is housed in a 5-pin SOT-23 (DBV) package measuring 2.90 mm × 2.80 mm, optimized for space-constrained PCB layouts and automated assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with OPA391IDBVR and AD8605ARTZ-REEL7, TLV9161IDBVR provides the best balance of low noise, high speed, wide supply range, and cost for industrial signal conditioning-especially where MUX-friendly inputs and robust EMIRR are required.

Availability

TLV9161IDBVR is available at Aetrix Electronics and suitable for professional audio systems, multiplexed data-acquisition systems, and factory automation equipment requiring stable component supply across extended temperature ranges.

Supply support for TLV9161IDBVR 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 expertise in precision op amps and industrial-grade signal chain solutions.

The TLV916x product line was designed for high-accuracy, high-speed industrial sensing and measurement applications-emphasizing rail-to-rail operation, low drift, and robustness in electrically noisy environments.

FAQ

What is the maximum operating temperature range for TLV9161IDBVR?

The TLV9161IDBVR is specified from –40°C to +125°C ambient temperature, validated across its full electrical performance envelope including offset voltage, CMRR, and gain-bandwidth. This extended range supports deployment in harsh industrial environments such as motor control cabinets and outdoor test equipment enclosures where thermal management is constrained.

Does TLV9161IDBVR support true rail-to-rail input operation?

Yes, TLV9161IDBVR supports rail-to-rail input operation: its common-mode input voltage range extends from V– to V+, verified across all supply voltages (2.7 V to 16 V). This allows direct interfacing with sensors and DACs operating at supply rails-critical for single-supply systems like 3.3 V IoT sensor nodes where traditional op amps would clip near V– or V+.

Can TLV9161IDBVR be used as a comparator?

Yes, TLV9161IDBVR can be used as an open-loop comparator due to its MUX-friendly input architecture, which allows differential input voltages up to the supply rails without phase reversal or latch-up. However, it lacks internal hysteresis and has slower response than dedicated comparators-use only where propagation delay <120 ns and no built-in hysteresis are acceptable, such as in slow-settling threshold detection circuits.

What is the typical output voltage swing for TLV9161IDBVR at 16 V supply?

At 16 V supply and 10 kΩ load, TLV9161IDBVR delivers a typical output swing within 25 mV of V+ and 25 mV of V–, achieving >99% of full rail-to-rail range. This performance holds across –40°C to +125°C and enables accurate signal representation in high-resolution ADC drivers and analog output stages without level-shifting circuitry.

How does TLV9161IDBVR handle electromagnetic interference?

TLV9161IDBVR features robust EMIRR (Electromagnetic Interference Rejection Ratio) of ≥80 dB from 10 MHz to 1 GHz, measured per industry-standard methods. This inherent immunity reduces sensitivity to RF noise from switching power supplies, wireless transceivers, and motor drives-minimizing need for external ferrite beads or shielded enclosures in factory automation and test equipment designs.