PAL SIF Converter Circuit

for TV and VCR Multi-system

Overview

The LA7975 is an IC that converts PAL SIF signals (5.5 MHz,

6 MHz, and 6.5 MHz) to 6 MHz. For the sake of high sound

quality, this IC uses a unique mixer technique to supress

interference from NICAM signals.

Functions

.

Mixer, amplifier, oscillator, oscillator mute

Features

.

Resistant to interference by NICAM signals

.

Small SIP-5 package

.

Wide range of usage voltage (5 V to 12 V)

Package Dimensions

unit : mm

3042C-SIP5

[LA7975]

SANYO : SIP5

Specifications

Maximum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

13.2

V

Maximum feed current

3

mA

1

mA

Allowable power dissipation

Pd max

Ta

% 70°C

200

mW

Operating temperature

Topr

–20 to +70

°C

Storage temperature

Tstg

–40 to +150

°C

Operating Conditions at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage

9V

Operating voltage range

5to12

V

Ordering number: EN3994B

Monolithic Linear IC

LA7975

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

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

73096HA(II)/8282TS No.3994-1/6