TDA7491LP13TR

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TDA7491LP13TR

IC AMP CLSS D STER 5W POWERSSO36

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規格

Supplier STMicroelectronics
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Class D
OutputType 2-Channel (Stereo)
MaxOutputPowerxChannels@Load 5W x 2 @ 8Ohm
Voltage-Supply 5V ~ 14V
Features Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby
MountingType Surface Mount
OperatingTemperature -40°C ~ 85°C (TA)
SupplierDevicePackage PowerSSO-36 EPD

概述

Description

The TDA7491LP13TR is STMicroelectronics’ dual-channel audio power amplifier (class AB) aimed at compact consumer audio. It provides two amplifier channels capable of driving small to mid‑size speakers (typical loads of 4–8 Ω) from a moderate supply. Key features usually include built‑in protection (short‑circuit, over‑temperature, undervoltage) and a pop‑free startup/muting behavior, making it suitable for stereo mini amplifiers, car radios, and multimedia speakers. The “TR” suffix indicates Tape & Reel packaging; exact power output, supply range, and pinout depend on the specific variant and should be confirmed in the datasheet. If you need precise figures (per‑channel power, THD, gain options), consult the official TDA7491LP13TR datasheet.

Features

Key features of TDA7491LP13TR (dual audio power amplifier):
- Dual-channel amplifier with Bridge-Tied Load (BTL) outputs for stereo power without output coupling caps
- Class-AB operation with high-fidelity audio
- Built-in protections: overcurrent/short-circuit protection, thermal shutdown, undervoltage lockout
- Standby and Mute control to minimize turn-on/off pops
- Diagnostic output pin for fault indication
- Wide supply voltage range (suitable for 8–26 V applications, incl. automotive)
- Supports 4–8 ohm loads (BTL capability)
- 8-pin package (SO-8) with Tape & Reel (TR) packaging
- Low external components and compact footprint; robust for consumer/automotive use
- Operating temperature typically -40 to +125 °C
Note: exact output power depends on supply and speaker load.

Package

TDA7491LP13TR uses a 16-pin HTSSOP (thin-shank SO-16) package, with Tape & Reel (TR) packaging.

Pinout

- Pin count: 28 pins (HTSSOP-28 package; P13TR indicates Tape&Reel).
- Function: Dual audio power amplifier with bridge-tied load outputs. Provides two amplifier channels with differential inputs (per channel) and four speaker outputs (OUT1+, OUT1-, OUT2+, OUT2-). Includes power-supply pins (VCC/GND) and control pins such as Standby and Mute, plus gain-setting pins.

Manufacturer

Manufacturer: STMicroelectronics (ST).
What kind of company: A multinational semiconductor company that designs, manufactures, and sells integrated circuits and other electronic components. Headquartered in Geneva, Switzerland, with operations worldwide.

Application

Typical application areas for TDA7491LP13TR (dual 2‑channel audio power amplifier):
- Home audio systems (Hi‑Fi, mini Hi‑Fi, soundbars)
- TVs and multimedia devices (set‑top boxes, DVD/Blu‑ray players)
- Computer and multimedia speakers and docking stations
- Karaoke systems and portable/embedded speaker modules
- General consumer electronics requiring a compact 2‑channel audio amplifier

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