TDA9321 datasheet(27/44 Pages) PHILIPS

27 / 44 page

1998 Dec 16

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled TV input processor

TDA9321H

RGB switch and YUV switch

RGB SWITCH (PINS RI1 TO BI1 AND RI2 TO BI2)

Vi(p-p)

input signal amplitude

(peak-to-peak value)

−

0.7

1.0

Zsource(max)

maximum source impedance

−−

1.0

Ω

∆Vbl(int-ext)

difference between black level

of internal and external signals

at the outputs

−−

input current

no clamping; note 3

−

0.1

µA

∆td

delay difference between the

three channels

note 6

−

020

YUV INPUTS (WHEN ACTIVATED)

Vi(Y)(p-p)

Y input signal amplitude

(peak-to-peak value)

−

1.0

−

Vi(U)(p-p)

U input signal amplitude

(peak-to-peak value)

−

1.33

−

Vi(V)(p-p)

V input signal amplitude

(peak-to-peak value)

−

1.05

−

Zsource(max)

maximum source impedance

−−

1.0

Ω

∆V

bl(int-ext)

difference between black level

of internal and external signals

at the outputs

−−

input current

no clamping; note 3

−

0.1

µA

FAST BLANKING (PINS RGB1 AND RGB2)

input voltage

no data insertion

−−

0.4

data insertion

0.9

−−

Vi(max)

maximum input pulse

−−

3.5

input current

−−

0.2

∆t

d(blank-RGB)

delay difference between

blanking and RGB signals

note 6

−−

tbf

αsup(int)

suppression of internal YUV

signals

data insertion;

fi = 0 to 5 MHz; note 6

−−

sup(ext)

suppression of external RGB

signals

no data insertion;

fi = 0 to 5 MHz; note 6

−−

td(blank-YUV)

delay between blanking input

and YUV outputs

−−

tbf

LUMINANCE OUTPUT (PIN YO); note 31

Vo(p-p)

output signal amplitude

(peak-to-peak value)

black-to-white

−

1.0

−

output voltage during PALplus

black-to-white

−

0.8

−

∆V

bl(YUV-RGB)

difference in black level

between YUV and RGB mode

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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