TDA9331H datasheet(21/56 Pages) NXP

21 / 56 page

2002 Jun 04

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled TV display processors

TDA933xH series

∆Vbl

relative variation in black level

between the three channels during

variations of

note 5

supply voltage (

±10%)

nominal controls

−−

saturation (50 dB)

nominal contrast

−−

contrast (20 dB)

nominal saturation

−−

brightness (

±0.5 V)

nominal controls

−−

temperature (range 40

°C)

−−

S/N

signal-to-noise ratio of the output

signals

notes 5 and 17

−−

Bo(Y)(10pF)

luminance bandwidth of output

signals

with 10pF load

capacitance; note 12

luminance input; at

−3dB 30

−

MHz

RGB-1 input; at

−3dB

−

MHz

RGB-2 input; at

−3dB

−

MHz

Bo(Y)(25pF)

luminance bandwidth of output

signals

with 25pF load capacitance

luminance input; at

−3dB 28

−

MHz

RGB-1 input; at

−3dB

−

MHz

RGB-2 input; at

−3dB

−

MHz

WHITE-POINT ADJUSTMENT

I2Cnom

I2C-bus setting for nominal gain

−

32 DEC

−

∆G

RGB

adjustment range of RGB drive

levels

CL control bits; see

Table 15

±3.2

±3.6

±4.0

∆G

gain control range to compensate

spreads in picture tube

characteristics

white point controls

−±3

−

2-POINT BLACK CURRENT STABILIZATION; INPUT PIN 44; note 18

Iref(l)

amplitude of low reference current

−

−µA

Iref(h)

amplitude of high reference current

−

−µA

acceptable leakage current

−±100

−µA

VIref

voltage on measurement pin

pin 44; loop closed

3.15

3.3

3.45

Iscan(max)

maximum current during scan

pin 44; loop open circuit

note 18

−−

−

BEAM CURRENT LIMITING; INPUT PIN 43

Vbias

internal bias voltage

3.5

3.6

3.7

VCR

contrast reduction starting voltage

3.1

3.3

3.5

Vdif(CR)

voltage difference for full contrast

reduction

2.0

2.2

2.4

Vbri

brightness reduction starting

voltage

1.6

1.8

2.0

Vdif(BR)

voltage difference for full brightness

reduction

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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