TDA9143 datasheet(20/40 Pages) PHILIPS

20 / 40 page

1996 Jan 17

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled, alignment-free

PAL/NTSC/SECAM decoder/sync processor

TDA9143

PAL DEMODULATOR

VR(p-p)

⁄2H ripple (peak-to-peak value)

−−

demodulator phase error

−−

deg

SECAM DEMODULATOR

V−(R−Y)(p-p)

−(R−Y) output voltage

(peak-to-peak value)

standard colour bar

0.96

1.08

1.21

V−(B−Y)(p-p)

−(B−Y) output voltage

(peak-to-peak value)

standard colour bar

1.22

1.37

1.53

fos

black level offset frequency

−−

kHz

S/N

signal-to-noise ratio

0 to 1 MHz

−−

Vres(p-p)

7.8 MHz to 9.4 MHz residue

(peak-to-peak value)

−−

fpole

pole frequency of de-emphasis

kHz

ratio of pole and zero frequency

−

Vcal

calibration voltage

345V

non linearity

−−

Filters

TUNING

Vtune

tuning voltage

1.5

LUMINANCE DELAY; YD3 to YD0 = 1011

td(on)

delay time colour on

fsc = 3.6 MHz; TB = 0

555

580

605

fsc = 3.6 MHz and 4.4 MHz;

TB = 1

515

540

565

td(off)

delay time colour off

350

370

390

td(tun)

delay time tuning range

15 steps YD3 to YD0; note 2

−280

−

+160

CHROMINANCE TRAP

notch frequency

fsc = 3.6 MHz

3.53

3.58

3.63

MHz

fsc = 4.4 MHz

4.37

4.43

4.49

MHz

SECAM

4.23

4.29

4.35

MHz

Y/C and B/W mode

not active

bandwidth at

−3dB

fsc = 3.6 MHz

2.60

2.80

3.00

MHz

fsc = 4.4 MHz

3.20

3.50

3.80

MHz

SECAM

2.90

3.20

3.50

MHz

fsc(sup)

subcarrier suppression

−−

CHROMINANCE BANDPASS

fres

resonant frequency

fsc = 3.6 MHz

3.40

3.58

3.76

MHz

fsc = 4.4 MHz

4.21

4.43

4.65

MHz

bandwidth at

−3dB

fsc = 3.6 MHz

1.05

1.20

1.35

MHz

fsc = 4.4 MHz

1.25

1.40

1.55

MHz

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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