LM4765T/NOPB

Product Overview

Category: Integrated Circuit
Use: Audio Power Amplifier
Characteristics: High power, low distortion
Package: TO-220
Essence: Class AB audio amplifier
Packaging/Quantity: Tube/50

Specifications

Output Power: 30W (RMS) per channel
Total Harmonic Distortion + Noise: 0.2% (typical) at 1kHz, 10W
Supply Voltage Range: ±22V to ±40V
Input Impedance: 150kΩ
Operating Temperature Range: 0°C to 70°C

Detailed Pin Configuration

V-
IN-
IN+
V+
OUT-
OUT+
GND
VS

Functional Features

High output power capability
Low total harmonic distortion
Short-circuit protection
Thermal shutdown protection
Standby mode control

Advantages and Disadvantages

Advantages: - High power output - Low distortion - Protection features - Versatile supply voltage range

Disadvantages: - Limited operating temperature range - Requires heat sink for high-power applications

Working Principles

The LM4765T/NOPB is a class AB audio amplifier that amplifies low-power audio signals to drive speakers with higher power. It operates by modulating the input audio signal onto a high-power DC supply to produce an amplified audio output.

Detailed Application Field Plans

The LM4765T/NOPB is suitable for various audio amplification applications, including: - Home stereo systems - Car audio amplifiers - Public address systems - Musical instrument amplifiers

Detailed and Complete Alternative Models

TDA2030A
TDA2050
LM3886
TDA7294

In conclusion, the LM4765T/NOPB is a versatile audio power amplifier integrated circuit with high power output, low distortion, and protection features, making it suitable for a wide range of audio amplification applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4765T/NOPB v technických řešeních

What is the maximum power output of LM4765T/NOPB?
- The LM4765T/NOPB has a maximum power output of 30 watts per channel into an 8-ohm load with a 24V supply.
What is the recommended power supply voltage for LM4765T/NOPB?
- The recommended power supply voltage for LM4765T/NOPB is in the range of ±12V to ±30V.
Can LM4765T/NOPB be used in bridge-tied load (BTL) configuration?
- Yes, LM4765T/NOPB can be used in bridge-tied load (BTL) configuration to achieve higher output power.
What is the typical total harmonic distortion (THD) of LM4765T/NOPB?
- The typical total harmonic distortion (THD) of LM4765T/NOPB is 0.2% at 1 kHz and 10W into an 8-ohm load.
Does LM4765T/NOPB require external compensation components?
- No, LM4765T/NOPB does not require external compensation components, which simplifies the design.
What is the thermal shutdown temperature of LM4765T/NOPB?
- The thermal shutdown temperature of LM4765T/NOPB is approximately 150°C.
Is LM4765T/NOPB suitable for automotive audio applications?
- Yes, LM4765T/NOPB is suitable for automotive audio applications due to its wide supply voltage range and robust performance.
What is the typical quiescent power consumption of LM4765T/NOPB?
- The typical quiescent power consumption of LM4765T/NOPB is 65mA per channel.
Can LM4765T/NOPB be used in parallel bridge-tied load (PBTL) configuration?
- Yes, LM4765T/NOPB can be used in parallel bridge-tied load (PBTL) configuration to drive even higher power loads.
What are the key protection features of LM4765T/NOPB?
- The key protection features of LM4765T/NOPB include output over-voltage protection, output DC offset detection, and thermal shutdown.