Texas Instruments TLV27L1IDBVRG4

Overview

TLV27L1IDBVRG4 from Texas Instruments is a single-channel micropower rail-to-rail output operational amplifier designed for ultra-low-power signal conditioning in battery-operated systems. It delivers 160 kHz gain-bandwidth, 0.1 V/μs slew rate, and 7 μA quiescent current per channel across a 2.7 V to 16 V supply range, operating reliably from −40°C to +125°C. Its SOT-23-5 package enables compact placement in portable medical sensors and smoke detectors.

For engineers reviewing the TLV27L1IDBVRG4 datasheet, TLV27L1IDBVRG4 pinout, TLV27L1IDBVRG4 application, or TLV27L1IDBVRG4 equivalent, key selection criteria include input bias current (1 pA), rail-to-rail output swing (within 50 mV of rails at ±5 V), offset voltage (5 mV max), noise density (89 nV/√Hz), and industrial-grade temperature support - all critical for precision, low-voltage analog front-ends.

Technical Context

The TLV27L1IDBVRG4 employs BiMOS input stage architecture to achieve femtoampere-level input bias current while maintaining rail-to-rail output swing via complementary MOSFET output transistors. Its 160 kHz unity-gain bandwidth is optimized for DC-coupled sensor amplification and slow-varying process signals rather than high-frequency AC applications.

It operates with true single-supply capability down to 2.7 V and supports dual-supply configurations (±1.35 V to ±8 V). Input common-mode range extends from −0.2 V to VS+1.2 V, enabling direct sensing of ground-referenced signals without level-shifting circuitry.

Key Specifications

Pinout & Package

SOT-23-5 (DBV) package: 2.9 mm × 1.6 mm × 1.1 mm body, surface-mount, lead-free (Sn), moisture sensitivity level 1, rated for reflow up to 260°C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar operational amplifier applications.

Compared with TLV2381IDBVR and TLC27L1CDR, TLV27L1IDBVRG4 uniquely combines rail-to-rail output, −40°C to +125°C operation, and 1 pA input bias in a 5-pin SOT-23 package - making it the only option among the three qualified for high-impedance, wide-temperature, low-power sensor front-ends.

Availability

TLV27L1IDBVRG4 is available at Aetrix Electronics and suitable for portable medical devices, industrial power monitoring systems, and battery-powered safety equipment requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLV27L1IDBVRG4 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, embedded processing, and digital signal technologies, with decades of expertise in precision amplifiers and low-power design.

The TLV27Lx product line was engineered specifically for micropower, rail-to-rail output applications in battery-constrained and wide-temperature environments - targeting sensor signal chains in medical, industrial, and safety-critical systems.

FAQ

What is the maximum supply voltage rating for TLV27L1IDBVRG4?

The absolute maximum supply voltage for TLV27L1IDBVRG4 is 16.5 V, with recommended operation from 2.7 V to 16 V. Exceeding 16.5 V risks permanent damage. At 16 V, the device maintains rail-to-rail output swing and specified quiescent current (≤16 μA), making it suitable for 12 V industrial rails with margin.

Does TLV27L1IDBVRG4 support true rail-to-rail input?

No, TLV27L1IDBVRG4 features rail-to-rail *output* only. Its input common-mode voltage range is specified from −0.2 V to VS+1.2 V - meaning it accepts inputs slightly beyond the negative rail but not fully to the positive rail. This allows ground-referenced inputs but requires care when biasing above VS.

Is TLV27L1IDBVRG4 pin-compatible with other SOT-23 op-amps like the TLV2371?

TLV27L1IDBVRG4 uses standard SOT-23-5 pinout (IN−, IN+, VDD, GND, OUT), matching industry convention. However, it is not functionally pin-compatible with TLV2371 due to differing internal architecture (BiMOS vs CMOS), supply current (7 μA vs 625 nA), and bandwidth (160 kHz vs 1 MHz). Layout reuse is possible, but electrical validation is required.

What is the input offset voltage specification for TLV27L1IDBVRG4 over temperature?

TLV27L1IDBVRG4 has a maximum input offset voltage of 7 mV across its full operating range (−40°C to +125°C), with typical value of 0.5 mV at 25°C. Offset voltage drift is 1.1 μV/°C, resulting in <1 mV total drift over the full range - critical for DC-stable sensor amplification without auto-zeroing.

Can TLV27L1IDBVRG4 drive capacitive loads directly?

TLV27L1IDBVRG4 is stable with capacitive loads up to 50 pF, as confirmed by phase margin measurements (62° at 25°C). For loads >50 pF, external isolation resistor (e.g., 10–100 Ω in series with output) is required to prevent peaking or oscillation - especially important in PCB traces longer than 2 cm or when driving ADC input capacitance.