TDA4887PS datasheet(4/68 Pages) PHILIPS

4 / 68 page

2001 Oct 19

Philips Semiconductors

Product speciﬁcation

160 MHz bus-controlled monitor video

preampliﬁer

TDA4887PS

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

supply voltage (pin 7)

7.6

8.0

8.8

supply current (pin 7)

−

VP(n)

supply voltage; channels 1, 2 and 3

(pins 21, 18 and 15)

7.6

8.0

8.8

IP(n)

supply current; channels 1, 2 and 3

(pins 21, 18 and 15)

−

Vi(n)(b-w)

input voltage; channels 1, 2 and 3

(pins 6, 8 and 10) (black-to-white value)

−

0.7

1.0

Vo(n)(b-w)(max)

maximum output voltage swing

(black-to-white value); channels 1,

2 and 3 (pins 22, 19 and 16)

maximum contrast;

maximum gain;

Vi(n)(b-w) = 0.7 V; RL =2kΩ

4.2

4.6

4.9

Vo(n)

output voltage level (pins 22,

19 and 16)

0.1

−

VP(n) − 1V

Io(n)(source)(M)

peak output source current

(pins 22, 19 and 16)

during fast positive signal

transients

−40

−−

Io(n)(sink)(M)

peak output sink current

(pins 22, 19 and 16)

during fast negative signal

transients

−−

Vbl(n)(ref)

black level reference voltage

(pins 22, 19 and 16)

typical values

DC coupling

control bit FPOL = 0

0.5

−

2.0

AC coupling

control bit FPOL = 1;

no pedestal blanking

0.53

−

1.89

tr(n)

rise time of fast transients at signal

outputs (pins 22, 19 and 16)

−

2.7

−

tf(n)

fall time of fast transients at signal

outputs (pins 22, 19 and 16)

−

3.6

−

δV

o(n)

overshoot/undershoot at signal outputs

(pins 22, 19 and 16)

input rise/fall times = 1 ns;

maximum colour signal

−−

αct(f)

crosstalk suppression by frequency

f = 50 MHz

−−

contrast control: colour signal related to

maximum colour signal

−45

−

0dB

∆G

track

tracking of output colour signals of

channels 1, 2 and 3

contrast control from

maximum to minimum

−

0.5

δG

gain control related to maximum gain

−13.5 −

0dB

∆V

bl(n)

brightness control (difference between

video black level and reference black

level at signal outputs related to

maximum colour signal)

control bit BRI = 0

−10

−

+33

∆VDA(n)

brightness control range (DAC output

voltages for AC coupling or internal

feedback reference voltage for DC

coupling)

from maximum to

minimum; control bit

BRI=1

−1.4

−

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