Texas Instruments TLE2142AMJG

Overview

TLE2142AMJG from Texas Instruments is a military-grade, high-speed precision operational amplifier optimized for low-noise signal conditioning in demanding analog front-ends. It delivers 27V/μs minimum slew rate, 5.9MHz gain-bandwidth product, 10.5nV/√Hz input voltage noise at 1kHz, ±22V supply range, and 500μV maximum input offset voltage at 25°C - enabling accurate amplification in EV charging infrastructure and industrial AC-DC power monitoring circuits.

For engineers reviewing the TLE2142AMJG datasheet, TLE2142AMJG pinout, TLE2142AMJG application, or TLE2142AMJG equivalent, key selection considerations include its CDIP-8 military-temperature packaging (−55°C to +125°C), fast 340ns settling to 0.1%, symmetrical slew rate, and robust 20mA short-circuit output current capability under heavy capacitive loads up to 10000pF.

Technical Context

The TLE2142AMJG employs TI's Excalibur complementary bipolar process to achieve simultaneous low audio-band noise (10.5nV/√Hz) and high slew rate (27V/μs min), with a 10Hz 1/f corner. Its input stage supports differential inputs up to ±44V without damage and enables comparator operation with 200ns open-loop propagation delay at TTL levels.

Designed for stability with capacitive loads up to 10000pF, it features fast saturation recovery (150ns), large output swing (VCC− + 0.1V to VCC+ − 1V), and rail-to-rail input common-mode range extending to VCC− − 0.3V - making it suitable for wide-supply industrial sensor interfaces and precision actuator drivers.

Key Specifications

Pinout & Package

Package: JG - Ceramic Dual-In-Line Package (CDIP-8), 9.6mm × 6.67mm, military-grade hermetic sealing rated for −55°C to +125°C operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with OPA211IDR and LM7332MA/NOPB, the TLE2142AMJG uniquely balances military-temperature operation, ±22V supply support, and 10.5nV/√Hz noise - making it irreplaceable in hardened industrial power electronics where environmental robustness and analog fidelity are jointly critical.

Availability

TLE2142AMJG is available at Aetrix Electronics and suitable for EV charging infrastructure, industrial AC-DC power supplies, and fire alarm control panel (FACP) designs requiring stable component supply across extended temperature and voltage ranges.

Supply support for TLE2142AMJG 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 TLE214x family was engineered for precision analog signal conditioning in mission-critical industrial and energy systems - emphasizing low noise, wide supply tolerance, and ruggedized packaging for harsh operating environments.

FAQ

What is the maximum operating temperature range for the TLE2142AMJG?

The TLE2142AMJG is specified for operation from −55°C to +125°C, meeting MIL-PRF-38535 Class B requirements. This full military temperature range is enabled by its hermetic JG (CDIP-8) package and Excalibur bipolar process, ensuring reliability in aerospace, defense, and extreme industrial environments where standard commercial or industrial op-amps would fail.

Does the TLE2142AMJG support single-supply operation?

Yes, the TLE2142AMJG supports true single-supply operation from 4V to 44V total supply. Its input common-mode range extends to VCC− − 0.3V, and output swings to within 0.1V of VCC−, allowing direct interfacing with microcontrollers and ADCs powered from the same rail - confirmed in Section 5.2 Recommended Operating Conditions of the TLE2142AMJG datasheet.

Can the TLE2142AMJG drive a 10000pF capacitive load stably?

Yes, the TLE2142AMJG is explicitly characterized for stable operation with up to 10000pF capacitive loads, as stated in its Features list. Unlike many general-purpose op-amps, it does not require external isolation resistors or compensation networks when driving heavy capacitive loads - a key advantage in ADC driver and cable-driving applications.

What is the purpose of Pins 1 and 5 on the TLE2142AMJG?

Pins 1 and 5 on the TLE2142AMJG are dedicated offset null terminals, connecting to internal 5kΩ and 1kΩ resistors respectively. They enable precise manual trimming of input offset voltage using an external 10kΩ potentiometer - a feature critical for achieving sub-100μV DC accuracy in high-precision measurement systems where laser-trimmed alternatives are cost-prohibitive.

How does the TLE2142AMJG perform as a comparator?

The TLE2142AMJG can operate as a comparator with typical open-loop propagation delay of 200ns at TTL supply levels, and fast 150ns saturation recovery. While not a dedicated comparator, its ability to handle differential inputs up to ±44V without damage and maintain functionality beyond output swing limits makes it suitable for non-critical, low-speed comparator roles in space-constrained or mixed-signal designs where adding a discrete comparator is impractical.