製品情報

LC75410

型番：LC75410
ブランド：SANYO

日付：13+RoHs
パッケージ：QFP
原価：12
数量：68000
PDF電子ファイル：

注文電話：86755-83294757
会員ベスト値段をお調べたい場合は新規取得あるいは登陆
注釈：100% 全新原装（Brand new)

詳細な説明

LC75410

Electronic Volume Controller for Car Audio Systems

Overview

The LC75410E and 75410W are electronic volume

controllers that enable control of volume, balance, fader,

bass/treble/mid, loudness, input switching, and input gain

using only a small number of external components.

Functions

Volume: 0 dB to –79.5 dB in 0.5-dB steps, and –∞ (161

positions) Balance function with separate L/R

control

Fader: rear output or front output can be attenuated

across 16 positions (in 1-dB steps from 0 dB to

–2 dB, 2-dB steps from –2 dB to –20 dB, 10-dB

steps from –20 dB to –30 dB, and –45 dB,

–60 dB, –∞)

Bass/treble/mid: Each band can be controlled in 1-dB

steps from 0 dB to ±6 dB, and in 2-dB

steps from ±8 dB to ±12 dB.

Input gain: 0 dB to +18.75 dB (1.25-dB steps)

amplification is possible for the input signal.

Input switching: five input signals can be selected for

Left and for Right (Four are singleended inputs and one is a differential

input.)

Loudness: A tap is output from the –32 dB position of a

2 dB step volume control resistor ladder.

A loudness function can be implemented by

connecting an external RC circuit.

Features

On-chip buffer amplifier cuts down number of external

components

Low switching noise generated by on-chip switch

through use of silicon gate CMOS process, for low

switching noise when there is no signal

Low switching noise when there is a signal due to use

of on-chip zero-cross switching circuit

On-chip 1/2 VDD reference voltage circuit

Controls performed with serial input (CCB)

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