Philips tda3755 DATASHEETS

INTEGRATED CIRCUITS

DATA SH EET

TDA3755

PAL/NTSC/SECAM
synchronization processor for video
recorders

Product specification
File under Integrated Circuits, IC02

June 1986

Philips Semiconductors Product specification

PAL/NTSC/SECAM synchronization

TDA3755

processor for video recorders

GENERAL DESCRIPTION

The TDA3755 is a monolithic integrated circuit for
PAL/NTSC SECAM synchronization processing in VHS
video recorders.

Features

• Adaptive sync separator

• Internal vertical sync pulse integrator

• Composite sync and vertical pulse output

• Current controlled oscillator (CCO) with 320/321 times

horizontal frequency

QUICK REFERENCE DATA

Supply voltage (pin 13) V
Supply current (pin 13) I

Sync separator

Sync pulse input voltage

(peak-to-peak value) V

Sync pulse output voltage

(peak-to-peak value) V

Vertical sync pulse

Output voltage

(peak-to-peak value) V

Phase detector

Catching range ∆f min. ± 3,0 %

• Horizontal phase detector with current output

• Video identification and mute circuit

• Burst gating pulse output (externally adjustable phase

relationship)

• Test-picture output

• Subcarrier frequency output switched in phase in

accordance with VHS standard

• Fast phase correction of subcarrier frequency

• Selection input to force PAL or NTSC function

• Still picture input

P=V13-15

= I

P

13

3-15(p-p)

1-15(p-p)

18-15(p-p)

typ. 10 V
typ. 24 mA

typ. 300 mV

min. 7,3 V

min. 2,7 V

Oscillator

Oscillator frequency

PAL f
NTSC f

Output frequency

PAL f
NTSC f

Output sinewave

(peak-to-peak value) V

PACKAGE OUTLINE

18-lead DIL; plastic (SOT102); SOT102-1; 1996 December 11.

June 1986 2

osc
osc

o
o

8-15(p-p)

typ. 5,02 MHz
typ. 5,04 MHz

typ. 627 kHz
typ. 629 kHz

typ. 3 V

Philips Semiconductors Product specification

PAL/NTSC/SECAM synchronization
processor for video recorders

TDA3755

June 1986 3

Fig.1 Block diagram

Philips Semiconductors Product specification

PAL/NTSC/SECAM synchronization
processor for video recorders

RATINGS

Limiting values in accordance with the Absolute Maximum System (IEC 134)

Supply voltage (pin 13) V
Voltage range at pins 2, 3, 4, 7,
9, 10, 11, 17 to pin 15 (ground) V
Voltage range at pin 12 V
Voltage range at pin 6 V

Currents

at pins 1, 5, 8, 14, 16, 18 ± I
at pin 6 −I

at pin 12 I
Total power dissipation P
Storage temperature range T
Operating ambient temperature range T

12

= V

P

n -15
12-15
6-15

n

6

tot
stg
amb

13-15

TDA3755

max. 13,2 V

0 to V

P

min. 0 V
max. 8 V

max. 5 mA
max. 1 mA
max. 2 mA
max. 1 W

−25 to + 150 °C
0 to + 70 °C

V

June 1986 4