Texas Instruments TLV27L2QDRQ1

Overview

TLV27L2QDRQ1 from Texas Instruments is a dual-channel automotive-grade micropower rail-to-rail output operational amplifier, operating from 2.7 V to 16 V supply, delivering 160 kHz bandwidth and 0.06 V/µs slew rate at just 7 µA per channel quiescent current, with 5 mV input offset voltage and 89 nV/√Hz input noise - deployed in low-power current sensing and portable medical instrumentation.

For engineers reviewing the TLV27L2QDRQ1 datasheet, TLV27L2QDRQ1 pinout, TLV27L2QDRQ1 application, or TLV27L2QDRQ1 equivalent, key selection criteria include rail-to-rail output swing down to 100 mV from rails at ±5 V, AEC-Q100 Grade 1 qualification (–40°C to +125°C), BiMOS input stage enabling 1 pA input bias current, and SOIC-8 packaging for space-constrained automotive subsystems.

Technical Context

The TLV27L2QDRQ1 integrates a BiMOS input stage enabling ultra-low 1 pA input bias current and rail-to-rail output swing via class AB output stage capable of driving ≤10-kΩ loads. Its input common-mode range extends to –0.2 V below V– and up to VS + 1.2 V, supporting true single-supply operation from 2.7 V.

It achieves unity-gain stability with 62° phase margin into 50 pF load and delivers 160 kHz gain-bandwidth product across –40°C to +125°C, with PSRR of 74 dB and CMRR of 86 dB at 25°C - optimized for precision DC-coupled signal conditioning where quiescent power must remain below 15 µA total for both channels.

Key Specifications

Pinout & Package

TLV27L2QDRQ1 is housed in an 8-pin SOIC package (4.90 mm × 3.91 mm body size), rated for surface-mount reflow and qualified to AEC-Q100 Grade 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with OPA2348QDRQ1 and TLV2262AQDRQ1, TLV27L2QDRQ1 uniquely balances ultra-low 7 µA/channel IQ, 2.7–16 V supply flexibility, and AEC-Q100 Grade 1 qualification - making it the only option for long-life, wide-voltage automotive and industrial sensing where noise <100 nV/√Hz is sufficient.

Availability

TLV27L2QDRQ1 is available at Aetrix Electronics and suitable for portable medical devices, automotive power monitoring, and low-power security detection systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLV27L2QDRQ1 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 automotive IC design expertise and broad manufacturing scale.

The TLV27L2QDRQ1 belongs to TI's automotive-qualified micropower op-amp portfolio, engineered specifically for battery-sensitive, wide-supply-range sensing applications in harsh environments - including engine bay, cabin, and portable safety equipment.

FAQ

What is the maximum operating supply voltage for TLV27L2QDRQ1?

The TLV27L2QDRQ1 has an absolute maximum supply voltage of 16.5 V, with recommended operation up to 16 V. Exceeding this risks permanent damage. It operates across a wide range from 2.7 V to 16 V - supporting both single-cell LiFePO₄ and dual alkaline batteries, as well as 12 V automotive systems. The TLV27L2QDRQ1 maintains specified performance across this full range, including rail-to-rail output swing and 7 µA quiescent current.

Is TLV27L2QDRQ1 qualified for automotive applications?

Yes, TLV27L2QDRQ1 is AEC-Q100 qualified for automotive use with Grade 1 temperature rating (–40°C to +125°C ambient), HBM ESD rating of ±2000 V, and CDM rating of ±1000 V. It is explicitly designed for under-dash and body-control module applications where thermal robustness and long-term reliability are mandatory. The TLV27L2QDRQ1 datasheet confirms qualification test results and specifies all electrical parameters across the full Grade 1 range.

Does TLV27L2QDRQ1 support rail-to-rail input?

No, TLV27L2QDRQ1 features rail-to-rail *output* only - its input common-mode voltage range is –0.2 V to VS + 1.2 V, which includes the negative rail but not the positive rail. This allows true single-supply operation with inputs referenced to ground, but does not support inputs near V+. For rail-to-rail input capability, alternatives like TLV2262AQDRQ1 would be required - though at significantly higher quiescent current. The TLV27L2QDRQ1's BiMOS input stage prioritizes ultra-low bias current (1 pA) over full RRI.

What is the typical input bias current of TLV27L2QDRQ1?

The typical input bias current of TLV27L2QDRQ1 is 1 pA at 25°C, with a maximum of 60 pA across –40°C to +125°C. This ultra-low value stems from its BiMOS input architecture, enabling stable operation with high-impedance feedback networks (e.g., 10–100 MΩ) commonly used in precision pH meters, gas sensors, and photodiode transimpedance amplifiers. The TLV27L2QDRQ1's 1 pA bias current minimizes voltage errors and drift in such applications.

Can TLV27L2QDRQ1 drive capacitive loads?

TLV27L2QDRQ1 is unity-gain stable and characterized for phase margin of 62° with 50 pF capacitive load, per the datasheet. It can reliably drive moderate capacitive loads (≤50 pF) without external compensation. For larger loads (e.g., >100 pF), isolation resistance or output series resistor is recommended to maintain stability. Layout best practices - including short traces and local 0.1 µF bypassing - are essential to preserve the TLV27L2QDRQ1's stability margin in real-world PCB implementations.