Texas Instruments TL3414AIPWR

Overview

TL3414AIPWR from Texas Instruments is a dual operational amplifier designed for single- or dual-supply audio applications, featuring 70 mA output drive capability, 3 V to 15 V wide supply range, and 1.1 MHz gain-bandwidth product at 5 V supply - enabling direct headphone driver implementation in DVD and CD-RW systems.

For engineers reviewing the TL3414AIPWR datasheet, TL3414AIPWR pinout, TL3414AIPWR application, or TL3414AIPWR equivalent, key selection considerations include its rail-to-rail output swing under load (3.2 V at 70 mA, VCC+ = 5 V), low input offset voltage (2–5 mV), high CMRR (70–90 dB), and TSSOP-8 packaging optimized for space-constrained consumer audio PCBs.

Technical Context

The TL3414AIPWR integrates two independent high-output-current op-amps on a single die, each supporting rail-to-rail output swing into 70 mA loads and operating across ±1.5 V to ±7.5 V dual supplies or 3–15 V single supply. Its internal architecture delivers 100 dB large-signal voltage gain and 80–90 dB supply-voltage rejection ratio.

It features a common-mode input voltage range extending to VCC− and up to VCC+ − 2 V, slew rate of 0.83 V/µs (at 5 V) and 1.3 V/µs (at 8.6 V), and equivalent input noise voltage of 18 nV/√Hz at 1 kHz - confirming suitability for low-noise, medium-bandwidth analog signal conditioning in portable audio front-ends.

Key Specifications

Pinout & Package

TSSOP-8 package (PW), 3.0 mm × 4.4 mm body, 1.2 mm max height, 0.65 mm lead pitch, moisture sensitivity level 1, RoHS-compliant NiPdAu lead finish.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual op-amp audio driver applications.

Compared with LMV358IDR and TLV272IPWR, the TL3414AIPWR uniquely combines 70 mA output drive, TSSOP-8 packaging, and 1.1 MHz bandwidth - making it the only option among the three qualified for direct 32 Ω headphone amplification without external components.

Availability

TL3414AIPWR is available at Aetrix Electronics and suitable for portable media players, optical disc drives, USB audio adapters, and embedded set-top boxes requiring stable component supply and long-term industrial availability.

Supply support for TL3414AIPWR 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 U.S.-based semiconductor company specializing in analog, embedded processing, and digital signal technologies, with over 90 years of innovation in high-reliability electronic components.

The TL3414AIPWR belongs to TI's general-purpose operational amplifier product line, engineered specifically for cost-sensitive, medium-bandwidth audio signal conditioning and headphone driver applications in consumer electronics.

FAQ

What is the maximum continuous output current per channel of the TL3414AIPWR?

The TL3414AIPWR delivers up to 70 mA continuous output current per amplifier under specified conditions (VCC+ = 5 V, TA = 25°C). This rating is validated across the full −40°C to 85°C operating temperature range and supports direct drive of 32 Ω stereo headphones without external transistors. Derating applies above 60°C ambient due to its 149°C/W thermal resistance in TSSOP-8 packaging.

Can the TL3414AIPWR operate from a single 3.3 V supply?

Yes, the TL3414AIPWR supports single-supply operation from 3 V to 15 V, including 3.3 V. At 3.3 V, it maintains functional output swing (≥1.8 Vpp into high-impedance loads) and 70 mA drive capability, though output voltage swing into 32 Ω drops to ~1.5 Vpp. Input common-mode range extends to VCC−, enabling direct interfacing with 3.3 V DACs without level shifters.

Does the TL3414AIPWR require external compensation for unity-gain stability?

No, the TL3414AIPWR is internally compensated for unity-gain stability across its full operating voltage and temperature range. It achieves stable operation with ≥45° phase margin at unity gain, as confirmed by its 1.1 MHz gain-bandwidth product and published AC response curves. No external capacitors or resistors are needed for basic buffer or inverting amplifier configurations.

What is the pin 1 marking and orientation for TL3414AIPWR in tape-and-reel format?

The TL3414AIPWR uses standard JEDEC MO-153 TSSOP-8 packaging with pin 1 located at the top-left corner of the device body, identified by a small beveled edge or dot in the top-left corner of the package. In tape-and-reel delivery (2000 pcs/reel), pin 1 is oriented in Quadrant Q1 per TI's tape specification - meaning the device feeds with pin 1 toward the sprocket hole side and the marking "Z3414A" readable left-to-right when viewed from the top with pin 1 upper-left.

How does the TL3414AIPWR handle short-circuit conditions on its outputs?

The TL3414AIPWR includes internal short-circuit protection with unlimited duration rating per absolute maximum ratings. Its outputs can be shorted continuously to either supply rail or ground without damage, provided junction temperature remains below 150°C. Thermal shutdown is not implemented; safe operation requires PCB layout with adequate copper area and ambient temperature control to limit power dissipation under sustained short-circuit conditions.