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LA4705

Features: `High power: supports total output of 25 W + 25 W (VCC = 14.4 V, THD = 30%, RL = 4 )`Less pop noise`Designed for excellent sound quality (fL < 10 Hz, fH = 130 kHz)`Any on time settable by external capacitor`Standby switch circuit on chip (microprocessor supported)`Various protectors o...

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SeekIC No. : 004390396 Detail

LA4705: Features: `High power: supports total output of 25 W + 25 W (VCC = 14.4 V, THD = 30%, RL = 4 )`Less pop noise`Designed for excellent sound quality (fL < 10 Hz, fH = 130 kHz)`Any on time settable ...

LA4705 Data Sheet

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Part Number:
LA4705
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 25 W + 25 W (VCC = 14.4 V, THD = 30%, RL = 4 )
`Less pop noise
`Designed for excellent sound quality (fL < 10 Hz, fH = 130 kHz)
`Any on time settable by external capacitor
`Standby switch circuit on chip (microprocessor supported)
`Various protectors on chip (output-to-ground short/output-to-VCC short/ load short/overvoltage/thermal shutdown circuit)
`NF capacitorless
`Supports RL = 2




Specifications

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VCC max 1 No signal, t = 60 s 24 V
VCC max 2 With signal 18 V
Surge supply voltage VCC surge t 0.2 s, single giant pulse 50 V
Allowable power dissipation Pd max Arbitrarily large heat sink 37.5 W
Operating temperature Topr   35 to +85 °C
Storage temperature Tstg   40 to +150 °C

* Set VCC, RL in a range that does not exceed Pd max = 37.5 W


Description

The LA4705 is a BTL two-channel power IC for car audio and radio-cassette players 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 LA4705 provides powerful bass and clear treble. In addition, the LA4705 features on-chip protectors and standby switch.




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