Texas Instruments Overture Audio Power Amplifier Series Stereo 60W, Mono 120W Audio Power Amplifier with Mute LM4780TABD LM4780TABD/NOPB Scheda Tecnica
Codici prodotto
LM4780TABD/NOPB
SNAS193B – JULY 2003 – REVISED APRIL 2013
LM4780 Overture™ Audio Power Amplifier Series Stereo 60W, Mono 120W Audio Power
Amplifier with Mute
Check for Samples:
,
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FEATURES
DESCRIPTION
The LM4780 is a stereo audio amplifier capable of
23
•
SPiKe Protection
typically delivering 60W per channel of continuous
•
Low External Component Count
average output power into an 8
Ω
load with less than
•
Quiet Fade-In/Out Mute Mode
0.5% THD+N from 20Hz - 20kHz.
•
Wide Supply Range: 20V - 84V
The
LM4780
is
fully
protected
utilizing
Texas
•
Signal-to-Noise Ratio
≥
97dB (ref. to P
O
= 1W)
Instruments' Self Peak Instantaneous Temperature
(°Ke) (SPiKe
(°Ke) (SPiKe
TM
) protection circuitry. SPiKe provides a
dynamically optimized Safe Operating Area (SOA).
APPLICATIONS
SPiKe
protection
completely
safeguards
the
•
Audio Amplifier for Component Stereo
LM4780's
outputs
against
over-voltage,
under-
•
Audio Amplifier for Compact Stereo
voltage, overloads, shorts to the supplies or GND,
thermal runaway and instantaneous temperature
thermal runaway and instantaneous temperature
•
Audio Amplifier for Self-Powered Speakers
peaks. The advanced protection features of the
•
Audio Amplifier for High-End and HD TVs
LM4780 places it in a class above discrete and hybrid
amplifiers.
amplifiers.
KEY SPECIFICATIONS
Each amplifier of the LM4780 has an independent
•
Output Power/Channel with 0.5% THD+N, 1kHz
smooth transition fade-in/out mute.
into 8
Ω
: 60 W (Typ)
The LM4780 can easily be configured for bridge or
•
THD+N at 2 x 30W into 8
Ω
(20Hz - 20kHz):
parallel operation for 120W mono solutions.
0.03% (Typ)
•
THD+N at 2 x 30W into 6
Ω
(20Hz - 20kHz):
0.05% (Typ)
•
THD+N at 2 x 30W into 4
Ω
(20Hz - 20kHz):
0.07% (Typ)
•
Mute Attenuation: 110 dB (Typ)
•
PSRR: 85 dB (Min)
•
Slew Rate: 19V/µs (Typ)
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
Overture is a trademark of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.