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LM4731

Features: Minimal amount of external components necessary Quiet fade-in/out mute modeLow current Standby-modeApplication Audio amplifier for high-end stereo TVsAudio amplifier for component stereo Audio amplifier for compact stereo Audio amplifier for PC satellite speaker systemsAudio amplifier f...

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SeekIC No. : 004395755 Detail

LM4731: Features: Minimal amount of external components necessary Quiet fade-in/out mute modeLow current Standby-modeApplication Audio amplifier for high-end stereo TVsAudio amplifier for component stereo ...

LM4731 Data Sheet

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Part Number:
LM4731
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Minimal amount of external components necessary
Quiet fade-in/out mute mode
 Low current Standby-mode


Application

Audio amplifier for high-end stereo TVs
Audio amplifier for component stereo
Audio amplifier for compact stereo
Audio amplifier for PC satellite speaker systems
Audio amplifier for self powered speakers


Specifications

Supply Voltage |V+| + |V-|
Common Mode Input Voltage VDifferential
Input Voltage
Output Current
Power Dissipation (Note 3)
ESD Susceptability (Note 4)
ESD Susceptability (Note 6)
Junction Temperature (TJMAX) (Note 9)
Soldering Information
T Package (10 sec.)
Storage Temperature
Thermal Resistance
JA (TA)
JC (TA)

56V
V+ or V
56V
Internally Limited
50W
2.0kV
250V
150°C
260°C
−40°C to +150°C


43°C/W
1.5°C/W




Description

The LM4731 is a stereo audio amplifier capable of delivering typically 25W per channel of continuous average output power into a 4Ω or 8Ω load with less than 10% THD+N from 20Hz - 20kHz. Each amplifier has an independent smooth transition fadein/ out mute and a power conserving standby mode which can be controlled by external logic.

The LM4731 has short circuit protection and a thermal shut down feature that is activated when the die temperature exceeds 150°C. The LM4731 also has a under voltage lock out feature for click and pop free power off and on. The LM4731 has a wide operating supply range from +/-10V - +/-28V allowing for lower cost unregulated power supplies to be used.




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