LM4782TA/NOPB

Description：IC AMP AB 3 CHAN 25W TO220-27
Series：Overture™
Mfr：Texas Instruments
Package：Tube

SKU:0eeb51247423 Category: Audio Amplifiers Brand: Texas Instruments

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Product introduction

LM4782TA/NOPB is listed in the Audio Amplifiers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC AMP AB 3 CHAN 25W TO220-27. Review the specifications below when checking this part for your BOM.

Audio Amplifiers specifications for LM4782TA/NOPB

Description：IC AMP AB 3 CHAN 25W TO220-27
Series：Overture™
Mfr：Texas Instruments
Package：Tube
Type：Class AB
Output Type：3-Channel
Max Output Power x Channels @ Load：25W x 3 @ 8Ohm
Voltage - Supply：20V ~ 64V, ±10V ~ 32V
Features：Depop, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type：Through Hole
Supplier Device Package：TO-220-27
Package / Case：TO-220-27 Formed Leads
Operating Temperature：-20°C ~ 85°C (TA)
Grade：-
Qualification：-

Audio Amplifiers datasheet and documents for LM4782TA/NOPB

LM4782TA/NOPB

Audio Amplifiers Overview

The LM4782TA/NOPB is a three-channel Class-AB audio power amplifier from the Overture series, housed in a TO-220-27 package. It delivers up to 25W per channel into an 8Ω load with less than 0.5% THD+N. The device operates on a wide supply range of 20V to 64V and features SPiKe protection for dynamic Safe Operating Area optimization. Key electrical specifications include a typical slew rate of 18V/μs, signal-to-noise ratio of 98dB at 1W output, and mute attenuation of 115dB.

Audio Amplifiers Feature Summary

Integrates SPiKe protection circuitry to safeguard outputs against over-voltage, under-voltage, shorts, thermal runaway, and instantaneous temperature peaks.
Provides independent mute and standby modes for each channel, controlled by external logic signals to reduce idle power consumption.
Supports flexible configuration options including bridge-tied load (BTL) and parallel operation for higher power or bi-amp solutions.

Audio Amplifiers Applications

Audio amplifiers for component stereo systems
Amplifiers for compact stereo setups
Home theater in a box (HTB) units
Self-powered speaker systems
High-end and HD televisions

Audio Amplifiers Procurement Notes

Verify the specific suffix TA/NOPB to confirm the TO-220-27 through-hole package and lead-free compliance. Confirm current production status as availability may vary. Ensure adequate heat sinking is designed for the system, as thermal resistance directly impacts maximum power dissipation and prevents activation of the internal thermal shutdown circuitry during normal operation.

Audio Amplifiers Selection Notes

Select this component for high-power multi-channel applications requiring robust protection and low distortion. Consider the TO-220-27 package size and thermal requirements when designing the PCB layout. Evaluate the need for single-ended, bridged, or parallel configurations based on the target load impedance and desired output power levels within the specified supply voltage range.

Audio Amplifiers Part Context

The LM4782 belongs to Texas Instruments' Overture Audio Power Amplifier Series, which focuses on high-performance audio solutions with advanced protection features. This specific part number represents the three-channel variant designed for versatile integration into various consumer electronics and audio equipment requiring significant output power.