2000 Nov 22

8

Philips Semiconductors

Objective specification

Integrated multistandard comb filter

TDA9181

CHARACTERISTICS

signal: 100/0/75/0 EBU colour bar for PAL B, G, H, D, I and N, 100% white 75% amplitude FCC colour bar for NTSC M

FSC = 75

Ω, coupled with 100 nF; load impedance for CVBS/Y

voltages are related to analog ground (pin AGND); unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

analog supply voltage

4.5

5.0

5.5

V

analog supply current

−

25

−

mA

digital supply voltage

4.5

5.0

5.5

V

digital supply current

−

10

−

mA

P

power dissipation

−

175

−

mW

luminance or CVBS input

voltage (peak-to-peak value)

including sync

0.7

1.0

1.4

V

clamp time constant

−

20

−

lines

input current

during clamping

−10

0

+10

µA

during active video

−10

0

+10

nA

chrominance input voltage

(peak-to-peak value)

−

0.7

1.0

V

input resistance

30

−−

k

Ω

Colour subcarrier input; pin FSC

subcarrier input voltage

(peak-to-peak value)

100

200

400

mV

D

duty cycle

square wave

40

50

60

%

input resistance

30

−−

k

Ω

Sandcastle input; pin SC

sandcastle input voltage

no clamping

−−

3.3

V

clamping

3.7

−−

V

pulse width

clamping; note 1

2.6

−−µs

pulse rising edge position

with respect to end of

line-blanking; note 1

−−− 2.6

µs

input resistance

1

−−

M

Ω

input capacitance

−−

2pF

Input switch select input; pin INPSEL

LOW-level input voltage

−−

0.5

V

HIGH-level input voltage

2.0

−−

V

input resistance

100

−−

k

Ω

input capacitance

−−

2pF