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LA4708

Features: `High power: supports total output of 30 W + 30 W (VCC = 13.2 V, THD = 30%, RL = 4 )`Supports RL = 2 (PO = 30 W when VCC = 13.2 V, THD = 10%)`Designed for excellent sound quality (fL < 10 Hz, fH = 130 kHz)`NF capacitorless`Any on time settable by external capacitor`Less pop noise`Stan...

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SeekIC No. : 004390397 Detail

LA4708: Features: `High power: supports total output of 30 W + 30 W (VCC = 13.2 V, THD = 30%, RL = 4 )`Supports RL = 2 (PO = 30 W when VCC = 13.2 V, THD = 10%)`Designed for excellent sound quality (fL < ...

LA4708 Data Sheet

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Part Number:
LA4708
Supply Ability:
5000

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  • 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 (VCC = 13.2 V, THD = 30%, RL = 4 )
`Supports RL = 2 (PO = 30 W when VCC = 13.2 V, THD = 10%)
`Designed for excellent sound quality (fL < 10 Hz, fH = 130 kHz)
`NF capacitorless
`Any on time settable by external capacitor
`Less pop noise
`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)




Specifications

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VCC max 1 No signal, t = 60 s 24 V
VCC max 2   16 V
Surge supply voltage VCC surge t 0.2 s, single giant pulse 50 V
Maximum output current IO peak Per channel 4.5 A
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 LA4708 is a BTL two-channel power IC for car audio 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 LA4708 provides powerful bass and clear treble. In addition, the LA4708 features on-chip protectors and standby switch. The LA4708 is also pin-compatible with the LA4705NA (car stereo-use 17 W two-channel power IC), and can be substituted for the LA4705NA for higher power. (When the board is shared, pins 1 and 9 must be left open.)




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