LM4766T/NOPB

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LM4766T/NOPB

IC AMP CLSS AB STER 40W TO220-15

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規格

Supplier Texas Instruments
Package Tube
Series Overture™
ProductStatus Active
Type Class AB
OutputType 2-Channel (Stereo)
MaxOutputPowerxChannels@Load 40W x 2 @ 8Ohm
Voltage-Supply 20V ~ 60V, ±10V ~ 30V
Features Depop, Mute, Thermal Protection
MountingType Through Hole
OperatingTemperature -20°C ~ 85°C (TA)
SupplierDevicePackage TO-220-15

概述

Description

LM4766T/NOPB is a dual-channel power audio amplifier IC from TI/National. It packs two Class-AB audio amplifiers in one package, intended to drive loudspeakers in consumer electronics. The NOPB suffix means the device is lead-free (no Pb), and the T suffix indicates the package type (TO-220-style). Features typically include protection against short circuits and thermal shutdown, plus external components for setting the gain. It’s used to replace discrete amplifiers in applications like TVs, set-top boxes, home audio gear, and other consumer audio equipment. For exact electrical specs, pinout, and layout, consult the datasheet.

Features

LM4766T/NOPB is a stereo Class-AB audio power amplifier with the following key features:
- Two-channel audio power amplifier (stereo)
- Stable into 4 Ω and 8 Ω loads
- Soft-start/popup suppression for quiet power-up
- Mute/standby control for click-free operation
- Protection: overcurrent/short-circuit protection and thermal shutdown
- Wide supply range suitable for single-supply operation
- Low distortion/high fidelity performance
- RoHS-compliant, lead-free NOPB packaging
(Exact output power and nominal quotas depend on supply voltage and load; refer to the datasheet for detailed electrical specs.)

Package

TO-220 (TO-220AB) through-hole package; NOPB indicates Pb-free (RoHS-compliant).

Pinout

- Pin count: 16 pins (16-pin package, e.g., SO-16/TSSOP-16).
- Function: Quad audio power amplifier with four bridge-tied load (BTL) outputs for driving four speakers from a single supply.

Manufacturer

- Manufacturer: Texas Instruments (TI)
- What kind of company: TI is an American multinational corporation that designs, manufactures, and sells semiconductors and integrated circuits, including analog and embedded processing technologies for electronics.

Application

LM4766T/NOPB is a high‑fidelity audio power amplifier. Common applications include:
- Home entertainment audio: stereo receivers, powered speakers, soundbars
- Televisions and set‑top boxes
- Automotive audio systems and infotainment
- Computer/multimedia peripherals
- Portable/embedded devices requiring high‑quality speaker amplification

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