TDA9321 datasheet(26/44 Pages) PHILIPS

26 / 44 page

1998 Dec 16

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled TV input processor

TDA9321H

SECAM demodulator

fblos

black level offset frequency

−−

kHz

fblos/T

black level offset frequency

variation with temperature

−−

Hz/K

pole frequency of de-emphasis

kHz

fp/fz

ratio pole and zero frequency

−

non-linearity

−−

Vcal

calibration voltage

Baseband delay line

∆Vo

variation of output signal

for adjacent time samples

at constant input signals

−0.1

−

0.1

∆V

r(clk)(p-p)

residual clock signal

(peak-to-peak value)

−−

5mV

delay

delayed signal

63.94

64.0

64.06

µs

non-delayed signal

∆V

difference in output amplitude

when delay line is

bypassed or not (with

bit BPS)

−−

PALplus helper demodulator

Vo(helper)(p-p)

helper output voltage

(peak-to-peak value)

610

686

770

Vsu(helper)

helper set-up amplitude

only helper

lines 22 and 23

380

400

420

td(g)

group delay

within pass band

−−

e(dem)

demodulation phase error

including H/2 phase error

−−

deg

sup

suppression

for modulated helper in

demodulated 0 to 1 MHz

signal

−36

−−

∆V

residual signal

at 4.43 MHz signal

−36

−−

THD

total harmonic distortion

in ACC

−36

−−

to(helper-Y)

helper output timing to Y output

−−

Voffset

offset voltage

for demodulated mid grey

to inserted mid grey level;

mid grey line 23 to line 22

−−

5mV

tW(su)(helper)

helper set-up pulse width

−

52.8

−µs

delay between mid sync of input

and start of helper set-up

bits YD3 to YD0 = 1011;

note 30

−

8.6

−µs

delay between start of black

set-up and start of helper set-up

only lines 22 and 23

−

30.8

−µs

Bhelper(−3dB)

−3 dB bandwidth of helper

baseband

−

2.6

−

MHz

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

TDA9321 Datasheet(PDF) 26 Page - NXP Semiconductors

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