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PDF LM1876T Data sheet ( Hoja de datos )
| Número de pieza | LM1876T | |
| Descripción | Overturebb Audio Power Amplifier Series Dual 20W Audio Power Amplifier with Mute and Standby Modes | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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February 1998
LM1876 Overture™ Audio Power Amplifier Series
Dual 20W Audio Power Amplifier with Mute and Standby
Modes
General Description
The LM1876 is a stereo audio amplifier capable of delivering
typically 20W per channel of continuous average output
power into a 4Ω or 8Ω load with less than 0.1% (THD + N).
Each amplifier has an independent smooth transition fade-in/
out mute and a power conserving standby mode which can
be controlled by external logic.
The performance of the LM1876, utilizing its Self Peak In-
stantaneous Temperature (˚Ke) (SPiKe™) Protection Cir-
cuitry, places it in a class above discrete and hybrid amplifi-
ers by providing an inherently, dynamically protected Safe
Operating Area (SOA). SPiKe Protection means that these
parts are safeguarded at the output against overvoltage, un-
dervoltage, overloads, including thermal runaway and in-
stantaneous temperature peaks.
Key Specifications
j THD+N at 1 kHz at 2 x 15W continuous average
output power into 4Ω or 8Ω:
0.1% (max)
j THD+N at 1 kHz at continuous average
output power of 2 x 20W into 8Ω:
0.009% (typ)
j Standby current:
4.2 mA (typ)
Features
n SPiKe Protection
n Minimal amount of external components necessary
n Quiet fade-in/out mute mode
n Standby-mode
n Isolated 15-lead TO-220 package
n Non-Isolated 15-lead TO-220 package
Applications
n High-end stereo TVs
n Component stereo
n Compact stereo
Typical Application
Connection Diagram
Plastic Package
DS012072-1
FIGURE 1. Typical Audio Amplifier Application Circuit
Note: Numbers in parentheses represent pinout for amplifier B.
*Optional component dependent upon specific design requirements.
SPiKe™ Protection and Overture™ are trademarks of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS012072
DS012072-2
Top View
Isolated Package
Order Number LM1876TF
See NS Package Number TF15B
Non-Isolated Package
Order Number LM1876T
See NS Package Number TA15A
www.national.com
1 page  
Bridged Amplifier Application Circuit
FIGURE 2. Bridged Amplifier Application Circuit
Single Supply Application Circuit
DS012072-5
FIGURE 3. Single Supply Amplifier Application Circuit
Note: *Optional components dependent upon specific design requirements.
5
DS012072-6
www.national.com
5 Page 
Typical Performance Characteristics (Continued)
Pulse Power Limit
Pulse Power Limit
Supply Current vs
Case Temperature
DS012072-43
Supply Current (ICC) vs
Standby Pin Voltage
DS012072-44
Supply Current (IEE) vs
Standby Pin Voltage
DS012072-45
Input Bias Current vs
Case Temperature
DS012072-46
DS012072-47
DS012072-48
11 www.national.com
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LM1876T.PDF ] | |
Hoja de datos destacado
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| LM1876T | Overturebb Audio Power Amplifier Series Dual 20W Audio Power Amplifier with Mute and Standby Modes | National Semiconductor |
| LM1876TF | Overturebb Audio Power Amplifier Series Dual 20W Audio Power Amplifier with Mute and Standby Modes | National Semiconductor |
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