LA4741, LA4742K, LA4743A Selling Leads, Datasheet
MFG:SANYO Package Cooled:ZIP D/C:08+/09+
LA4741, LA4742K, LA4743A Datasheet download
Part Number: LA4741
MFG: SANYO
Package Cooled: ZIP
D/C: 08+/09+
LA4741, LA4742K, LA4743A
- Table of contents:
Info of LA4741
Info of LA4742K
Info of LA4743A
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About LA4741
PDF/DataSheet Download
Datasheet: LA4741
File Size: 113082 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
About LA401 DN Series
PDF/DataSheet Download
Datasheet: LA401 DN Series
File Size: 40780 KB
Manufacturer: ROHM
Download : Click here to Download
About LA4743A
PDF/DataSheet Download
Datasheet: LA4743A
File Size: 87290 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
LA4743A General Description
The LA4743A is a 45 W 4-channel power amplifier IC for car stereo systems. It features a built-in bridge circuit and the ability to radically reduce the number of external components required. It is also pin compatible with the LA4743B, which differs in the amount of gain provided.
LA4743A Maximum Ratings
| Parameter | Symbol | Conditions | Ratings | Unit |
| Maximum supply voltage | VCC max1 | Signal present | 18 | V |
| VCC max2 | No signal (for 1 minute) | 26 | V | |
| Maximum output current | IOpeak | 4.5/ch | A | |
| Allowable power dissipation | Pd max | With an arbitrarily large heat sink | 50 | W |
| Operating temperature | Topr | 40 to +85 | °C | |
| Storage temperature | Tstg | 40 to +150 | °C | |
| Package thermal resistance | jc | 1 | °C/W |
LA4743A Features
• Maximum output power: 45 W * 4 channels (VCC = 14.4 V, 4 load, 1 kHz)
• 40 W * 4 channels (VCC = 13.7 V, 4 load, 1 kHz)
• Requires only seven external components and does not require an oscillation prevention RC circuit, a noise filter, or a BS capacitor.
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