1996 Oct 25

12

Philips Semiconductors

Product specification

Video processor with automatic cut-off

and white level control

TDA4680

CHARACTERISTICS

amplitudes (black-to-white) at output pins 24, 22 and 20; nominal settings of brightness, contrast, saturation and white

level control; without beam current or peak drive limiting; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply (pin 5)

supply voltage

7.2

8.0

8.8

V

supply current

−

85

110

mA

Colour difference inputs [

−(B − Y): pin 6; −(R − Y): pin 7]

−(B − Y) input (peak-to-peak value)

notes 1 and 2

−

1.33

−

V

−(R − Y) signal (peak-to-peak value)

notes 1 and 2

−

1.05

−

V

internal DC bias voltage

at black level clamping

−

3.1

−

V

input current

during line scan

−−

0.15

µA

at black level clamping

100

−−

µA

AC input resistance

10

−−

M

Ω

Luminance/sync (VBS; Y: pin 8)

luminance input voltage at pin 8

(peak-to-peak value)

note 2

−

0.45

−

V

internal DC bias voltage

at black level clamping

−

3.1

−

V

input current

during line scan

−−

0.15

µA

at black level clamping

100

−−

µA

AC input resistance

10

−−

M

Ω

input voltage at pins 10, 11 and 12

(peak-to-peak value)

note 2

−

0.7

−

V

at black level clamping

−

5.4

−

V

input current

during line scan

−−

0.15

µA

at black level clamping

100

−−

µA

AC input resistance

10

−−

M

Ω

input voltage at pins 2, 3 and 4

(peak-to-peak value)

note 2

−

0.7

−

V

internal DC bias voltage

at black level clamping

−

5.4

−

V

input current

during line scan

−−

0.15

µA

at black level clamping

100

−−

µA

AC input resistance

10

−−

M

Ω