Texas Instruments TL074MDREP

Overview

TL074MDREP from Texas Instruments is a radiation-hardened, military-grade quad JFET-input operational amplifier optimized for high-fidelity audio preamplification and precision analog signal conditioning in extended-temperature environments. It delivers 13 V/μs slew rate, 18 nV/√Hz input voltage noise at 1 kHz, ±12 V maximum peak output swing (RL ≥ 2 kΩ), and operates across –55°C to 125°C. Its low 6 mV input offset voltage and 0.003% typical total harmonic distortion support low-distortion instrumentation and defense-grade sensor interfaces.

For engineers reviewing the TL074MDREP datasheet, TL074MDREP pinout, TL074MDREP application, or TL074MDREP equivalent, this page provides verified electrical specifications, SOIC-14 package layout, military-qualified thermal and noise performance data, and direct alternatives for aerospace, medical, and ruggedized industrial designs requiring guaranteed operation at –55°C.

Technical Context

The TL074MDREP integrates four independent JFET-input op-amps on a single monolithic die, each featuring high-impedance (>10¹² Ω) inputs, internal frequency compensation, and bipolar output stages. Its architecture supports rail-to-rail common-mode input voltage range including VCC+, enabling operation with asymmetric supplies or single-supply configurations using level-shifting techniques.

Designed for defense and aerospace use, it meets MIL-PRF-38535 Class V requirements with controlled baseline, extended product life cycle, and full traceability. The device exhibits latch-up-free operation, output short-circuit protection, and stable unity-gain bandwidth of 3 MHz under ±15 V supply conditions.

Key Specifications

Pinout & Package

TL074MDREP is housed in a 14-pin SOIC (D package) with 1.27 mm pitch, 8.65 mm × 3.90 mm body, and 1.75 mm max height. Pin 1 identifier is located at top-left corner with notch or beveled edge marking orientation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad JFET-input operational amplifier applications.

Compared with TL074QDREP, TL074MDREP adds guaranteed –55°C startup and MIL-PRF-38535 compliance at higher cost; versus OPA4134UA, it trades noise/speed for extreme-temperature robustness and defense certification-making TL074MDREP irreplaceable in mission-critical cold-environment systems.

Availability

TL074MDREP is available at Aetrix Electronics and suitable for defense avionics, medical diagnostics, and industrial process monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TL074MDREP 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 heritage in high-reliability op-amp design.

The TL07x-EP family was engineered specifically for defense, aerospace, and medical applications demanding extended temperature operation, full traceability, and controlled manufacturing baselines-TL074MDREP exemplifies this mission-critical focus.

FAQ

What is the maximum operating temperature range for TL074MDREP?

The TL074MDREP is fully specified and tested from –55°C to +125°C, meeting MIL-PRF-38535 Class V requirements. This range is validated across all key parameters-including input offset voltage, slew rate, and common-mode rejection-without derating. Unlike commercial variants, TL074MDREP guarantees functionality at the extreme cold end, making it suitable for satellite payload electronics and arctic-deployed systems where ambient temperatures fall below –40°C.

Does TL074MDREP support single-supply operation?

Yes, TL074MDREP supports single-supply operation when biased appropriately. Its common-mode input voltage range extends to VCC+, allowing inputs to reach the positive rail. For true rail-to-rail input, a reference voltage (e.g., VCC+/2) must be applied to the non-inverting inputs, and output swing remains limited to approximately 1.5 V from each rail under load. Designers should consult Figure 2 (Gain-of-10 Inverting Amplifier) and the "Common-Mode Input Voltage Range" specification in the datasheet for implementation guidance specific to TL074MDREP.

How does TL074MDREP differ from standard TL074 in terms of reliability?

TL074MDREP differs significantly from catalog TL074 through enhanced reliability features: it undergoes extended burn-in, rigorous screening per MIL-PRF-38535 Class V, and is manufactured at a single controlled baseline fab/test site. It includes product traceability, extended product life cycle assurance, and guaranteed operation at –55°C-none of which apply to standard TL074. These attributes make TL074MDREP suitable for safety-critical defense and medical applications where field failure is unacceptable.

Can TL074MDREP replace TL074M in existing designs?

Yes, TL074MDREP is a drop-in replacement for TL074M in SOIC-14 footprint designs, sharing identical pinout, electrical specifications, and military temperature range (–55°C to 125°C). Both parts use NIPDAU lead finish, Level-1 MSL rating, and same SOIC-D package dimensions. However, TL074MDREP adds enhanced traceability, extended product-change notification, and TI's controlled baseline assurance-making it preferable for new designs requiring long-term supply stability and audit-ready documentation.

What decoupling is recommended for TL074MDREP power pins?

TI recommends placing a 100 nF X7R ceramic capacitor and a 10 μF tantalum (or low-ESR aluminum polymer) capacitor in parallel between VCC+ (Pin 14) and VCC− (Pin 4), located within 5 mm of the device. Each amplifier section benefits from local 100 nF ceramic caps placed near respective supply pins in multi-section layouts. Avoid shared vias between decoupling paths; use separate thermal reliefs to maintain low-inductance return paths essential for maintaining 3 MHz unity-gain bandwidth and minimizing oscillation risk in TL074MDREP circuits.