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LA4743A

Sanyo
Part Number LA4743A
Manufacturer Sanyo
Description 45 W Four-Channel (Bridge Circuit) Power Amplifier
Published Apr 25, 2005
Detailed Description Ordering number : ENN6629 Monolithic Linear IC LA4743A 45 W Four-Channel (Bridge Circuit) Power Amplifier Overview Th...
Datasheet PDF File LA4743A PDF File

LA4743A
LA4743A

Overview
Ordering number : ENN6629 Monolithic Linear IC LA4743A 45 W Four-Channel (Bridge Circuit) Power Amplifier Overview 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.
Package Dimensions unit: mm 3236-HZIP25 [LA4743A] 29.
2 25.
6 4.
5 Features • Maximum output power: 45 W × 4 channels (VCC = 14.
4 V, 4 Ω load, 1 kHz) • 40 W × 4 channels (VCC = 13.
7 V, 4 Ω load, 1 kHz) • Requires only seven external components and does not require an oscillation prevention RC circuit, a noise filter, or a BS capacitor.
R1.
7 14.
4 17.
4 3.
3 10.
2 0.
4 4.
0 4.
0 2.
60 2.
0 (1.
0) 2.
0 0.
53 Functions • Muting function • Built-in standby switch • Full complement of built-in protection circuits, including protection from shorting to VCC, shorting to ground, load shorting, overvoltages,...


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