TDA4882 datasheet(9/28 Pages) PHILIPS

Nome de Peças	TDA4882

Descrição Electrónicos	Advanced monitor video controller for OSD

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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9 / 28 page

1997 Sep 04

9

Philips Semiconductors

Product speciﬁcation

Advanced monitor video controller for OSD

TDA4882

tdr(C)

delay between trailing edges

(rising) of contrast voltage and

voltage output waveforms

Vi(CC) = 0.7 V to 4.3 V;

input rise time at pin 6:

tr(CC) = 2 ns; note 6; Fig.10

−

15

25

ns

tf(C)

fall time of voltage output waveform 90% to 10% amplitude; input

fall time at pin 6: tf(CC) = 2 ns;

note 6; Fig.10

−

615

ns

tr(C)

rise time of voltage output

waveform

10% to 90% amplitude; input

rise time at pin 6:

tr(CC) = 2 ns; note 6; Fig.10

−

615

ns

Gain control (channel 1 and channel 3); note 7; Fig.7

Vi(GC)

input voltage

1.0

−

6.0

V

Vi(GC)(nom)

input voltage for nominal gain

pins 3 and 11 open-circuit

3.6

3.75

3.95

V

Ri(GC)

input resistance

44

55

66

k

Ω

∆G

gain control difference relative to

nominal gain

(channels 1 and 3 only)

Vi(CC) = 4.3 V; Vi(GC) = 6 V

2

2.6

3.3

dB

Vi(CC) = 4.3 V; Vi(GC) =1V

−5.5

−5

−4.5

dB

Feedback input (channels 1, 2 and 3); note 8; Fig.8

Vref(int)

internal reference voltage

5.6

5.8

6.1

V

Io(FB)(max)

maximum output current

during output clamping;

Vi(FB) =3V

−500

−100

−60

nA

∆Vbl(CRT)

black-level variation at CRT

note 9

0

40

200

mV

∆V

ref(T)

variation of Vref(int) in the

temperature range

Tamb = −20 to +70 °C

0

20

50

mV

∆V

ref(int)(VP)

variation of Vref(int) with supply

voltage

7.2 V

≤ VP ≤ 8.8 V

0

60

100

mV

Voltage outputs (channels 1, 2 and 3)

Vo(b-w)(nom)

nominal signal output voltage

(black-to-white value)

pins 3 and 11 open-circuit;

Vi(CC) = 4.3 V; Vi(b-w) = 0.7 V

0.69

0.79

0.89

V

Vblx(max)

maximum adjustable black-level

voltage

during output clamping;

Tamb = −20 to +70 °C

1

1.2

1.4

V

Vbl(SO)

black-level voltage during

switch-off, equal to minimum

adjustable black-level voltage

Vi(HBL) =VP; RO =33 Ω;

Tamb = −20 to +70 °C

30

45

100

mV

Vbl(TST)

black-level voltage during test

mode

Vi(HBL) =VP; Vi(CL) =VP; pin 1

open-circuit; Vi =VI(clamp);

note 10

0.3

0.7

1.2

V

S/N

signal-to-noise ratio

note 11

−

50

44

dB

dO(th)

output thermal distortion

Io(b-w) = 50 mA; note 12

−

0.6

1

%

∆V

bl(ﬂ)

black-level variation between

clamping pulses

line frequency 30 kHz

−

0.5

4.5

mV

Voffset(max)

maximum offset during sync

clipping

VI <VI(clamp);

note 13; Fig.9

0715

mV

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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