TDA9725 데이터 시트보기 (PDF) - Philips Electronics

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TDA9725

Y/C automatic adjustment processor (VHS standard)

Philips Electronics 

Philips Semiconductors

Y/C automatic adjustment processor

(VHS standard)

Product specification

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

SYMBOL

PARAMETER

CONDITIONS

VCC

ICC

Vi(p-p)

supply voltage

supply current

video input voltage; CVBS signal

(peak-to-peak value)

VCC = 5 V; playback

VoREC(p-p) video output record voltage

(peak-to-peak value)

video/sync = 7/3

VoPB(p-p)

video output playback voltage

(peak-to-peak value)

video/sync = 7/3;

nominal FM signal

ViFM(p-p)

VoFM(p-p)

VCFT(p-p)

FM input voltage (peak-to-peak value)

FM output voltage (peak-to-peak value)

chrominance input voltage (+FM) from tape

(peak-to-peak value)

FM AGC active

RL = 1 kΩ

VCTT(p-p)

chrominance output voltage to tape

(peak-to-peak value)

Tstg

Tamb

storage temperature

operating ambient temperature

MIN.

4.5

140

0.6

TYP.

5.0

170

1.0

MAX. UNIT

5.5 V

200 mA

2.0 V

2.03 2.14 2.25 V

2.03 2.14 2.25 V

63

200 632 mV

0.7 0.9 1.1 V

11

110 310 mV

467 660 932 mV

−25 −

−20 −

+150 °C

+70 °C

ORDERING INFORMATION

TYPE

NUMBER

TDA9725

NAME

SDIP52

PACKAGE

DESCRIPTION

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

VERSION

SOT247-1

1996 Oct 14

2

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