Overview

The LC75394NE is an electronic volume control system

providing control over volume, balance, 5-band equalizer,

and input switching based on serial inputs.

Functions

• Volume control:

The chip provides 25 levels of volume attenuation: in 2-

dB steps between 0 dB and –20 dB, 3-dB steps between

–20 dB and –32 dB, 4-dB steps between –32 dB and –52

dB, 4.5-dB steps between –52 dB and –70 dB, and –

∞.

Independent control over left and right channels

provides balance control.

• Equalizer:

The chip provides control in 2-dB steps over the range

between +10 dB and –10 dB. Four of the five bands

have peaking equalization; the remaining one, shelving

equalization.

• Selector:

The left and right channels each offer a choice of four

inputs. An external constant determines the

amplification for the input signal.

Features

• Built-in buffer amplifiers reduce the number of external

parts necessary.

• Silicon gate CMOS reduces switching noise.

• Serial data input

—Supports CCB* format communication with the

system controller.

• A built-in reference voltage circuit divides the supply

Package Dimensions

unit: mm

3159-QFP64E

CMOS LSI

Ordering number : EN5466

91096HA (OT)/81095HA (OT) No. 5466-1/17

SANYO: QFP64E

[LC75394NE]

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

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

Single-Chip Electronic Volume Control System

LC75394NE

Specifications

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

12

V

Maximum input voltage

CL, DI, CE, L1 to L4, R1 to R4, LTIN, RTIN, LVRIN,

V

RVRIN

Allowable power dissipation

Pd max

Ta

≤ 85°C

310

mW

Operating temperature

Topr

–30 to +85

°C

Storage temperature

Tstg

–40 to +125

°C

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

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

addresses are controlled by SANYO.

*