Texas Instruments TLV9301IDCKR

Overview

TLV9301IDCKR from Texas Instruments is a single-channel, rail-to-rail output operational amplifier optimized for cost-sensitive, high-voltage systems. It delivers ±0.5 mV offset voltage, 1-MHz gain-bandwidth, 3 V/µs slew rate, and operates from 4.5 V to 40 V supply. It serves precision signal conditioning in merchant power supplies and industrial AC-DC converters.

For engineers reviewing the TLV9301IDCKR datasheet, TLV9301IDCKR pinout, TLV9301IDCKR application, or TLV9301IDCKR equivalent, key selection criteria include input offset drift (±2 µV/°C), low quiescent current (150 µA), robust EMI rejection (72 dB at 1 GHz), rail-to-rail output swing, and SC70-5 package compatibility with space-constrained PCB layouts.

Technical Context

The TLV9301IDCKR employs a patented input protection architecture enabling full 40-V differential input voltage range without clamping diodes-eliminating transient-induced settling delays and distortion in multiplexed or comparator-mode applications. Its input stage supports common-mode voltages extending to both supply rails (V– – 0.2 V to V+ – 2 V).

Internally compensated for unity-gain stability, it achieves 60° phase margin with 20 pF capacitive load and drives ±60 mA output current. The device maintains 110 dB CMRR and 130 dB open-loop gain across –40°C to 125°C, supporting reliable operation in motor drive power supplies and building automation sensor interfaces.

Key Specifications

Pinout & Package

TLV9301IDCKR is packaged in a 5-pin SC70 (DCK) footprint measuring 2.00 mm × 1.25 mm, optimized for high-density PCB layouts and automated assembly. Thermal resistance R_θJA is 203.9°C/W, requiring minimal copper area for thermal management in ambient temperatures up to 125°C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with OPA192IDBVR, TLV9301IDCKR offers 30× lower quiescent current and integrated EMI filtering at 40% lower unit cost, while delivering sufficient DC accuracy for PSU monitoring. Against LM321IDBVR, TLV9301IDCKR provides 6× better offset voltage, rail-to-rail output, and proven 72-dB EMI rejection-critical for modern high-density power systems.

Availability

TLV9301IDCKR is available at Aetrix Electronics and suitable for merchant network PSUs, industrial AC-DC converters, and motor drive auxiliary supplies requiring stable component supply across extended product lifecycles.

Supply support for TLV9301IDCKR 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 amplifiers and high-reliability power solutions.

The TLV930x family was designed specifically for cost-sensitive, high-voltage industrial and computing power systems-balancing rail-to-rail performance, low power, and robust EMI immunity in standard packages.

FAQ

What is the maximum differential input voltage rating for TLV9301IDCKR?

The TLV9301IDCKR supports a maximum differential input voltage of 40 V-enabling direct use as a comparator or in high-slew-rate sensor interfaces without external attenuation. This capability stems from its patented input protection architecture, which eliminates conventional clamping diodes and avoids associated settling delays. Absolute maximum ratings confirm this limit applies continuously, not just transiently.

Does TLV9301IDCKR support rail-to-rail input common-mode range?

TLV9301IDCKR does not support rail-to-rail input common-mode range. Its specified common-mode input voltage range extends from (V–) – 0.2 V to (V+) – 2 V. While this allows operation near the negative rail, the upper limit stops 2 V below V+, preventing direct connection to V+ referenced sensors. However, its differential input tolerance of 40 V enables robust operation in mismatched input scenarios typical in industrial voltage monitoring.

What is the thermal resistance (R_θJA) of TLV9301IDCKR in its SC70-5 package?

The TLV9301IDCKR in the SC70-5 (DCK) package has a junction-to-ambient thermal resistance (R_θJA) of 203.9°C/W, as specified in the official datasheet. This value assumes standard JEDEC 2-layer board conditions. For sustained operation at 125°C ambient, design guidelines recommend ≥100 mm² of 1-oz copper pour connected to V– and V+ pins to maintain junction temperature below 150°C under full output load.

Can TLV9301IDCKR drive a 10-kΩ load to within 50 mV of the supply rails?

Yes, TLV9301IDCKR can drive a 10-kΩ load to within 50 mV of both supply rails under 40-V operation, as confirmed by datasheet specifications: output swing is 50–75 mV from each rail at RL = 10 kΩ. At lower supplies like 4.5 V, swing improves to 20–30 mV. This rail-to-rail output capability maximizes dynamic range for ADC interfacing and reference buffering in space-constrained industrial modules.

Is TLV9301IDCKR qualified for automotive applications?

No, TLV9301IDCKR is not AEC-Q200 qualified. It is specified for industrial and commercial temperature ranges (–40°C to +125°C) but lacks automotive-grade qualification, including extended reliability testing, enhanced ESD robustness beyond ±2000 V HBM, and PPAP documentation. For automotive body electronics or infotainment power supplies, TI recommends the pin-compatible TLV9301QDRQ1, which meets AEC-Q200 Grade 1 requirements.