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LM393P LM399 LM431 LM4766 lm4811 LM4819 LM4861 LM4863

LM4766 - Overture Audio Power Amplifier Series Dual 40-Watt Audio Power Amplifier with Mute

Features • SPiKe Protection • Minimal amount of external components necessary • Quiet fade-in/out mute mode • Non-Isolated 15-lead TO-220 package • Wide Supply Range 20V - 78V Key Specification THD+N at 1kHz at 2 x 30W continuous average output power into 8 0.1% (max) THD+N at 1kHz at continuous average output power of 2 x 30W into 8 0.009% (typ) General Description The LM4766 is a stereo audio amplifier capable of delivering typically 40W per channel with the non-isolated "T" package and 30W per channel with the isolated "TF" package of continuous average output power into an 8 load with less than 0.1% (THD+N). The performance of the LM4766, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe™) Protection Circuitry, places it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). More... Applications • High-end stereo TVs • Component stereo • Compact stereo

Typical Application click for larger image Parametric Table     expand Parametric Table    collapse User Supply 30 Volt Slew Rate 9 Volts/usec PowerAtEightOhms OnePercentTHD 26 Watt PowerAtEightOhms TenPercentTHD 37 Watt Channels 2 Channels User Supply 30 Volt Supply Range +20 - +60V Gain Bandwidth 8 MHz Slew Rate 9 Volts/usec PowerAtFourOhms OnePercentTHD 42 Watt PowerAtEightOhms OnePercentTHD 26 Watt PowerAtFourOhms TenPercentTHD 53 Watt PowerAtEightOhms TenPercentTHD 37 Watt SNR 100 dB SNR Conditions Undefined PSRR Conditions Undefined THD 0.06 % THD Conditions P=30W,Vs=±30V, RL=8ohms Mono/Stereo Stereo Mute/Shutdown Mute Temperature Min 0 deg C Temperature Max 70 deg C View Using Catalog Typical Performance *click for larger image

Connection Diagram click for larger image

Package Availability, Models, Samples & Pricing

Part Number

Package

Factory Lead Time

Models

Budgetary Pricing

Std Pack Size

Package Marking Format

Type

Pins

Spec.

MSL Rating

Peak Reflow

RoHS Report

Weeks

Qty

Qty

$US each

LM4766T

TO-220

15

STD NOPB

1 1

NA NA

RoHS

Full production

N/A

1K+

$2.90

rail of 20

NSUZXYTT LM4766T

6 weeks

40000

LM4766TF

ISOLATED TO220

15

STD NOPB

1 1

NA NA

RoHS

Full production

N/A

1K+

$3.00

rail of 20

NSUZXYTT LM4766TF

6 weeks

100

General Description

The LM4766 is a stereo audio amplifier capable of delivering typically 40W per channel with the non-isolated "T" package and 30W per channel with the isolated "TF" package of continuous average output power into an 8 load with less than 0.1% (THD+N).

The performance of the LM4766, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe™) Protection Circuitry, places it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). SPiKe Protection means that these parts are safeguarded at the output against overvoltage, undervoltage, overloads, including thermal runaway and instantaneous temperature peaks.

Each amplifier within the LM4766 has an independent smooth transition fade-in/out mute that minimizes output pops. The IC's extremely low noise floor at 2µV and its extremely low THD+N value of 0.06% at the rated power make the LM4766 optimum for high-end stereo TVs or minicomponent systems.