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LM4766T

Name: LM4766T
Rating: 4.7 (12 reviews)

AUDIO AMPLIFIER, 40W, 2 CHANNEL(

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製造商。部分 #LM4766T
包 TO-220
資料表 LM4766T DataSheet
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規格

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

概述

Description

The LM4766T is a high-performance audio amplifier designed by Texas Instruments. It features a dual bridge-tied load (BTL) architecture, allowing it to deliver up to 25W per channel into 4-ohm speakers with low distortion. The device operates with a wide supply voltage range, typically from 10V to 30V, making it versatile for various audio applications.
Key features include thermal shutdown protection, short-circuit protection, and a mute function to enhance reliability and user control. The LM4766T is suited for portable audio devices, home audio systems, and automotive applications, offering excellent sound quality with minimal external components required. Its compact design and efficient heat dissipation contribute to its popularity in modern audio amplification solutions.

Features

The LM4766T is a dual-channel audio power amplifier designed for high-quality sound applications. Key features include:
1. Output Power: Delivers up to 25W per channel into an 8-ohm load and 50W into a 4-ohm load.
2. Low Total Harmonic Distortion (THD): Ensures high-quality audio reproduction with minimal distortion.
3. Wide Supply Voltage Range: Operates with a supply voltage from 10V to 30V, providing flexibility for various power supply designs.
4. Thermal Protection: Includes built-in thermal shutdown to prevent damage from overheating.
5. Short-Circuit Protection: Ensures reliability by protecting the device during fault conditions.
6. Integrated Features: Contains internal gain setting, allowing for easier design integration.
7. Operating Temperature: Designed for robust performance across a wide temperature range.
These features make the LM4766T suitable for applications such as home theater systems, televisions, and portable audio devices.

Package

The LM4766T is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package). This package type is known for its compact size and is suitable for surface mount applications.

Pinout

The LM4766T is a dual power amplifier from Texas Instruments, primarily used in audio applications. It comes in a 14-pin TSSOP (Thin Shrink Small Outline Package) configuration.
Pin Count and Functions:
1. Pin 1 (OUTA) - Output of Amplifier A.
2. Pin 2 (V-) - Negative power supply.
3. Pin 3 (INB) - Inverting input for Amplifier B.
4. Pin 4 (INB) - Non-inverting input for Amplifier B.
5. Pin 5 (OUTB) - Output of Amplifier B.
6. Pin 6 (FB) - Feedback for Amplifier A.
7. Pin 7 (GND) - Ground connection.
8. Pin 8 (NC) - No connection.
9. Pin 9 (FB) - Feedback for Amplifier B.
10. Pin 10 (INA) - Inverting input for Amplifier A.
11. Pin 11 (INA) - Non-inverting input for Amplifier A.
12. Pin 12 (V+) - Positive power supply.
13. Pin 13 (C1) - Compensation capacitor connection.
14. Pin 14 (C2) - Compensation capacitor connection.
These functions support its operation as a high-performance audio amplifier.

Manufacturer

The LM4766T is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a broad range of analog and embedded processing technologies. The company is well-known for its innovation in the field of electronics, providing solutions for various applications including automotive, industrial, communication, and consumer electronics. TI is recognized for its commitment to research and development, making significant contributions to advancements in integrated circuits and microcontrollers. Founded in 1930, the company is headquartered in Dallas, Texas, and operates worldwide, serving a diverse customer base across multiple industries.

Application

The LM4766T is a dual audio power amplifier used in various applications, including home theater systems, televisions, portable audio devices, and soundbars. It is suitable for driving speakers in consumer electronics, automotive audio systems, and professional audio equipment. Its compact design and high efficiency make it ideal for space-constrained applications where quality sound is essential.

Equivalent

The LM4766T is a dual audio power amplifier. Equivalent products include:
1. LM3886 - A high-performance audio power amplifier.
2. TDA7294 - A 100W audio amplifier with low distortion.
3. OPA549 - An operational amplifier with power capability for audio applications.
4. LME49830 - A high-performance audio amplifier.
Always check specifications for compatibility in your specific application.