TDA9725 datasheet(2/44 Pages) PHILIPS

2 / 44 page

1996 Oct 14

Philips Semiconductors

Product speciﬁcation

Y/C automatic adjustment processor

(VHS standard)

TDA9725

FEATURES

• Automatic adjustment by control loops

• Integrated filters

• Simple SVHS playback

• Colour sequence correction for long-play still mode

• Automatic gain control for FM.

GENERAL DESCRIPTION

The TDA9725 is an integrated circuit for chrominance and

luminance processing (record and playback) in VHS tape

recorders for PAL, SECAM/ME and NTSC systems

(4.43 MHz playback only) with internal filter and without

adjustments.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCC

supply voltage

4.5

5.0

5.5

ICC

supply current

VCC = 5 V; playback

140

170

200

Vi(p-p)

video input voltage; CVBS signal

(peak-to-peak value)

0.6

1.0

2.0

VoREC(p-p)

video output record voltage

(peak-to-peak value)

video/sync = 7/3

2.03

2.14

2.25

VoPB(p-p)

video output playback voltage

(peak-to-peak value)

video/sync = 7/3;

nominal FM signal

2.03

2.14

2.25

ViFM(p-p)

FM input voltage (peak-to-peak value)

FM AGC active

200

632

VoFM(p-p)

FM output voltage (peak-to-peak value)

RL =1kΩ

0.7

0.9

1.1

VCFT(p-p)

chrominance input voltage (+FM) from tape

(peak-to-peak value)

110

310

VCTT(p-p)

chrominance output voltage to tape

(peak-to-peak value)

467

660

932

Tstg

storage temperature

−25

−

+150

°C

Tamb

operating ambient temperature

−20

−

+70

°C

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA9725

SDIP52

plastic shrink dual in-line package; 52 leads (600 mil)

SOT247-1

TDA9725 Datasheet(PDF) 2 Page - NXP Semiconductors

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