TPA6139A2PWR

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TPA6139A2PWR

IC AMP CLSS AB STER 25MW 14TSSOP

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規格

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
Series DirectPath™
ProductStatus Active
Type Class AB
OutputType Headphones, 2-Channel (Stereo)
MaxOutputPowerxChannels@Load 25mW x 2 @ 32Ohm
Voltage-Supply 3V ~ 3.6V
Features Depop, Mute, Short-Circuit and Thermal Protection
MountingType Surface Mount
OperatingTemperature -40°C ~ 85°C (TA)
SupplierDevicePackage 14-TSSOP

概述

Description

TPA6139A2PWR is Texas Instruments’ dual-channel, power-efficient audio power amplifier designed for portable devices. It’s a Class-AB stereo amplifier in a PowerPAD (PWR) package, intended to drive small speakers from a single supply with better output power and audio quality than line-level amplifiers.
Key points:
- Two audio power channels with protection features (short-circuit, overcurrent, thermal shutdown, undervoltage)
- Pop-free turn-on and mute/standby options for smooth playback
- Designed for mobile/compact devices (phones, tablets, portable speakers, docking stations)
- Suitable for 4–8 ohm speaker loads in a compact PowerPAD package
- Typically operates from a single, mobile-friendly supply and emphasizes low quiescent current and low distortion
Use when you need a compact, integrated dual-channel amp to deliver clean sound to small loudspeakers in battery-powered consumer electronics. For exact electrical specs, supply range, gain options, and pinout, consult the TI datasheet for TPA6139A2PWR.

Features

Here are the key features of the TPA6139A2PWR (PowerPAD package):
- Two-channel, high-efficiency audio power amplifier (Class-AB) with built‑in protection
- Bridge-Tied Load (BTL) outputs for direct speaker drive
- Pop-free turn-on with a mute/shutdown control
- Robust protection: overcurrent/short-circuit, thermal shutdown, undervoltage protection
- Wide operating supply range suitable for portable products
- External gain setting via input resistors (gain configurable)
- Low quiescent current and low distortion for better battery life and audio quality
- PowerPAD/small-footprint package for effective heat dissipation
- ESD protection and robust behavior in consumer devices
Note: For exact electrical specs (supply range, output power into specific loads, distortion, PSRR, etc.), consult the TI datasheet.

Package

PowerPAD package with an exposed pad (PWR suffix). It’s TI’s 16-pin PowerPAD/HTSSOP-type package.

Pinout

- Pin count: 28 pins (PowerPAD package, PWR suffix).
- Function: Dual-channel stereo audio power amplifier (PowerPAD package) used to drive speakers; provides two amplifier channels with differential/BTL outputs and associated input/control pins.

Manufacturer

- Manufacturer: Texas Instruments (TI)
- What kind of company: An American multinational technology company that designs and manufactures semiconductors and integrated circuits, specializing in analog, mixed-signal, and embedded processing solutions.

Application

Applications:
- Mobile/portable consumer electronics needing stereo headphone amplification
- Smartphones, tablets, portable media players
- Notebooks/netbooks and USB audio interfaces/adapters
- Docking stations and portable audio accessories
- Headsets/earphones and gaming peripherals requiring built‑in high-quality headphone amp

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