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LA4725

Features: ` High power: supports total output of 30 W+30 W. [EIAJ power] (VCC=14.4 V, THD=30 %, RL=4 )` Less pop noise.` Designed for excellent sound quality. (fL<10 Hz, fH=130 kHz)` Any rise time settable by an external capacitor.` Standby switch circuit on chip. (microcontroller supported)` V...

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SeekIC No. : 004390400 Detail

LA4725: Features: ` High power: supports total output of 30 W+30 W. [EIAJ power] (VCC=14.4 V, THD=30 %, RL=4 )` Less pop noise.` Designed for excellent sound quality. (fL<10 Hz, fH=130 kHz)` Any rise tim...

LA4725 Data Sheet

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Part Number:
LA4725
Supply Ability:
5000

Price Break

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

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Upload time: 2024/9/27

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Product Details

Description



Features:

` High power: supports total output of 30 W+30 W. [EIAJ power] (VCC=14.4 V, THD=30 %, RL=4 )
` Less pop noise.
` Designed for excellent sound quality. (fL<10 Hz, fH=130 kHz)
` Any rise time settable by an external capacitor.
` Standby switch circuit on chip. (microcontroller supported)
` Various protectors on chip. (output-to-ground short/ output-to-VCC short/ load short/ overvoltage/ thermal shutdown circuit)
` The LA4725 is pin-compatible with the LA4728.






Specifications

Absolute maximum ratings
Po max (MAX POWER)
[W]		 -
Supply Voltage [V] -
Po1 (THD=10%)
[W]		 17
Supply Voltage [V] 13.2
Po2 (THD=1%)
[W]		 -
Supply Voltage [V] -
channels 2
output method BTL
Load Resistance[] 4
Voltage gain [dB] 40


Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VCC max 18 V
Surge supply voltage VCC surge f 0.2 s, single giant pulse 50 V
Maximum output current Io peak Per channel 3.0 A
Allowable power dissipation Pd max With arbitrarily large heat sink 32 W
Operating temperature Topr 35 to +85 °C
Storage temperature Tstg 40 to +150 °C





Description

The LA4725 is a BTL two-channel power IC for car audios developed in pursuit of excellent sound quality. Low-region frequency characteristics have been improved through the use of a new NF capacitorless circuit, and crosstalk which causes "muddy" sound has been reduced by improving both circuit and pattern layout. As a result the LA4725 provides powerful bass and clear treble.






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