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LA3550M:SBS 前置放大器,1.5V重低音电路，提供零售

商品型号： LA3550M 库存编号： 46199 热门程度： 品牌： Sanyo 外形封装： SOP-14P 生产批号： 95+ 起售数量： 1 参 考 价： 0755-88393056 存货数量： 922 产品简述： SBS 前置放大器 ,LA3550M 免费资料： 下载Datasheet

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LA3550M简介:Auto-Loudness Controller for Headphone Stereo Systems

Overview
The LA3550M Auto-Loudness Controller IC provides userselectable
boosting of up to approximately 24dB for lowfrequency
sound components in the range of 30 to 50Hz.
Boosting gain for low frequencies can be controlled in proportion
to the level of an external input signal. High frequencies
are also boosted by a fixed 6dB. The result gives
natural and dynamic boosting at all sound levels, and realistic
audio reproduction.
The LA3550M operates on a 1.5V power supply and boosts
a super bass adopting the external CR circuit. The boosting
feature can be selected “ON/OFF” by means of an electronic
switch on the chip.

Features
• User-selectable low-frequency boost levels from 5.5 to
23.5dB (max).
• 6dB (fixed) high-frequency boosting.
• Low-frequency boost gain level control circuit on-chip.
• Output signal detection circuit on-chip.
• Boost select/deselect switching.
• Built-in AGC circuit prevents clipping.
• Reduced noise levels.
• Reduced parts’ count.
• Low-power operation.
• 14-pin MFP package (1mm pitch pins).

LA3550M 时间:2009-11-27 16:42:00

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