TDA3845 datasheet(4/18 Pages) PHILIPS

4 / 18 page

January 1993

Philips Semiconductors

Objective speciﬁcation

Quasi split-sound circuit and AM

demodulator

TDA3845; TDA3845T

Fig.2 Pin configuration.

(1) not for TDA3845T, pin 11 not connected.

PINNING

Note to Pinning

1. Not for TDA3845T, pin 11 not connected.

SYMBOL

DESCRIPTION

IF2

IF ampliﬁer input 2

n.c.

not connected

AGC

AGC control capacitor

OPT

optional capacitor (see note 10 to

the characteristics)

PMD

peak/mean detector capacitor

AM output

FM/AM switch

LCREF

LC reference circuit for the picture

carrier

LCREF

LC reference circuit for the picture

carrier

n.c.

not connected

VP2

positive supply voltage 2

(+12 V); note 1

ICO

intercarrier output

GND

ground (0 V)

VP1

positive supply voltage 1 (+5 V)

n.c.

not connected

IF1

IF ampliﬁer input 1

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC134)

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

supply voltage

VP1

pin 14

4.5

8.8

VP2

pin 11 (not for TDA3845T)

10.8

13.2

Tamb

operating ambient temperature

+70

°C

Tstg

storage temperature

−25

+125

°C

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