1996 Oct 25

13

Philips Semiconductors

Product specification

Video processor with automatic cut-off

and white level control

TDA4680

voltage to select Y and CD

−−

0.4

V

0.9

−

5.0

V

internal resistance to ground

−

4.0

−

k

Ω

∆t

difference between transit times for

signal switching and signal insertion

−−

10

ns

−−

0.4

V

0.9

−

5.0

V

internal resistance to ground

−

4.0

−

k

Ω

∆t

difference between transit times for

signal switching and signal insertion

−−

10

ns

of maximum saturation); data byte 3FH for maximum saturation, data byte 23H for nominal saturation and

data byte 00H for minimum saturation]

saturation below maximum

at 23H

−

5

−

dB

at 00H; f = 100 kHz

−

50

−

dB

maximum contrast); data byte 3FH for maximum contrast, data byte 2CH for nominal contrast and data byte

00H for minimum contrast]

contrast below maximum

at 2CH

−

3

−

dB

at 00H

−

22

−

dB

of brightness range); data byte 3FH for maximum brightness, data byte 27H for nominal brightness and data

byte 00H for minimum brightness]

black level shift of nominal signal

amplitude referred to cut-off

measurement level

at 3FH

−

30

−

%

at 00H

−−50

−

%

3FH for maximum gain; data byte 22H for nominal gain and data byte 00H for minimum gain]; note 3

∆G

v

relative to nominal gain

increase of AC gain

at 3FH

−

60

−

%

decrease of AC gain

at 00H

−

60

−

%

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT