lc75372e Sanyo Semiconductor Corporation, lc75372e Datasheet

lc75372e

Manufacturer Part Number

lc75372e

Description

Electronic Volume Control For Car Stereo Systems

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LC75372E.pdf (18 pages)

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Overview

The LC75372E is an electronic volume control that can

implement volume, balance, fader, bass/treble, loudness,

input switching, and input level control functions with a

minimal number of external components.

Features

• Volume: Provides 81 positions, from 0 dB to –79 dB (in

• Fader: This function can attenuate either the rear or the

• Bass/treble: Forms an NF-type tone control circuit (LUX

• Loudness: The volume resistor ladders are tapped

• The signal can be selected from one of three inputs for

• On-chip buffer amplifiers for a minimum of external

• Minimal switching noise due to fabrication in a silicon-

Specifications

Absolute Maximum Ratings at Ta = 25°C, V

Maximum supply voltage

Maximum input voltage

Allowable power dissipation

Operating temperature

Storage temperature

Ordering number : EN5330

1-dB steps) and –∞. A balance function can be

implemented by controlling the left and right channels

independently.

front outputs over 16 positions. (From 0 to –20 dB in

2-dB steps, from –20 to –25 dB in one 5-dB step, from

–25 to –45 dB in 10-dB steps, –60 dB, and –∞.)

type) with the addition of external capacitors. The base

and treble controls each have 15 positions.

starting at the –20-dB position. A loudness function can

be implemented by adding external RC circuits at these

taps.

each of the left and right channels. The input signals can

be amplified from 0 to +18 dB in 6-dB steps.

components.

gate CMOS process.

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN

Parameter

Symbol

Pd max

Topr

Tstg

max

CL, DI, CE, LIN, RIN, LFIN, RFIN, L1 to L3, R1 to R3

Ta ≤ 85°C

= 0 V

• Built-in reference voltage generation circuit

• Serial data input: Supports CCB format communication

Package Dimensions

unit: mm

3148-QFP44MA

with the system controller.

• CCB is a trademark of SANYO ELECTRIC CO., LTD.

• CCB is SANYO’s original bus format and all the bus

Conditions

addresses are controlled by SANYO.

Electronic Volume Control

for Car Stereo Systems

[LC75372E]

41596HA (OT) No. 5330-1/18

– 0.3 to V

LC75372E

Ratings

SANYO: QIP44MA

–50 to +125

–40 to +85

+ 0.3

CMOS LSI

260

Unit

°C

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