Texas Instruments TLE2141MDREP

Overview

TLE2141MDREP from Texas Instruments is a radiation-hardened, high-speed precision operational amplifier in an 8-pin SOIC package. It delivers 27 V/µs minimum slew rate, 5.9 MHz gain-bandwidth product, 10.5 nV/√Hz input noise at 1 kHz, ±22 V supply range, and operates across –55°C to 125°C for aerospace and defense signal conditioning.

For engineers reviewing the TLE2141MDREP datasheet, TLE2141MDREP pinout, TLE2141MDREP application, or TLE2141MDREP equivalent, this page provides verified electrical specs, thermal performance data, offset-nulling terminal functionality, rail-to-rail output swing behavior, and validated alternatives for high-reliability analog design.

Technical Context

The TLE2141MDREP uses TI's Excalibur™ complementary bipolar process to achieve simultaneous low audio-band noise (10.5 nV/√Hz) and symmetrical 40-V/µs slew rate with up to 800 pF capacitive loading. Its all-NPN output stage enables near-rail output swing (VCC– + 0.1 V to VCC+ – 1 V) and 20-mA short-circuit current capability.

It features two dedicated offset-null pins (OFFSET N1 and OFFSET N2), stable operation with up to 10 nF capacitive loads, and robust input stage immunity to phase reversal-inputs tolerate VCC– – 0.3 V to VCC+ – 1.8 V without inversion. Common-mode rejection exceeds 85 dB and supply rejection exceeds 90 dB.

Key Specifications

Pinout & Package

Package: SOIC-8 (D package), 8-pin surface-mount, 1.27 mm pitch, body size 3.91 mm × 4.9 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with OPA211MDRGTEP and LMC6062AMX/NOPB, the TLE2141MDREP uniquely combines radiation-hardened construction, dual offset-null capability, 10 nF capacitive load stability, and 27 V/µs slew rate - making it irreplaceable in high-reliability, high-dynamic-range analog signal paths.

Availability

TLE2141MDREP is available at Aetrix Electronics and suitable for aerospace telemetry, defense radar signal processing, and industrial process control requiring stable component supply across extended temperature and radiation environments.

Supply support for TLE2141MDREP 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 aerospace and defense components.

The TLE214x-EP product line was engineered specifically for extended-temperature, radiation-tolerant analog signal conditioning in mission-critical systems - emphasizing low noise, high slew rate, and robustness under extreme environmental stress.

FAQ

What is the maximum capacitive load the TLE2141MDREP can drive while maintaining stability?

The TLE2141MDREP is characterized for stable operation with capacitive loads up to 10 nF, though bandwidth reduces from 6 MHz to 1.8 MHz at that level. This makes it suitable for direct buffering of long cables and 4–20 mA current loops without external isolation resistors - a key advantage over standard precision op-amps. The TLE2141MDREP maintains phase margin >57° even under heavy capacitive loading.

Does the TLE2141MDREP support single-supply operation?

Yes, the TLE2141MDREP supports single-supply operation from 4 V to 44 V total supply range. Its input common-mode range extends to VCC– – 0.3 V, and output swings to within 1 V of either rail - enabling use in 5 V, 12 V, or 24 V industrial systems without level-shifting circuitry. The TLE2141MDREP achieves this while retaining full AC performance specifications.

How do the OFFSET N1 and OFFSET N2 pins function on the TLE2141MDREP?

The OFFSET N1 and OFFSET N2 pins on the TLE2141MDREP provide dedicated terminals for external nulling of input offset voltage using a 10-kΩ potentiometer. These pins are unique to the TLE2141 variant and absent in TLE2142/TLE2144. Proper connection enables trimming residual VIO below 100 µV - essential for precision metrology and strain gauge applications. The TLE2141MDREP datasheet specifies exact resistor values and layout guidelines for optimal nulling performance.

What is the guaranteed slew rate specification for the TLE2141MDREP over temperature?

The TLE2141MDREP guarantees a minimum slew rate of 27 V/µs under ±15 V supply conditions across the full –55°C to 125°C operating range. At 25°C, typical positive/negative slew rates reach 45/42 V/µs respectively. This performance remains consistent due to the Excalibur™ bipolar process and internal compensation - ensuring predictable settling behavior in high-speed control loops throughout the device's qualified temperature envelope. The TLE2141MDREP maintains this spec without derating.

Is the TLE2141MDREP suitable for use as a comparator?

Yes, the TLE2141MDREP can be used as a comparator in non-critical applications, with open-loop propagation delay of ~200 ns under TTL supply levels. However, it lacks dedicated comparator features like internal hysteresis or rail-to-rail output saturation. Its all-NPN output stage recovers from saturation in 150 ns, supporting moderate-speed decision-making. For precision timing or high-speed comparison, a dedicated comparator is recommended - but the TLE2141MDREP offers functional viability where op-amp reuse simplifies BOM. The TLE2141MDREP's differential input withstands ±44 V without damage.