TDA9143 datasheet(23/40 Pages) PHILIPS

23 / 40 page

1996 Jan 17

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled, alignment-free

PAL/NTSC/SECAM decoder/sync processor

TDA9143

YUV/RGB switches; note 5

Caution: the voltage on pin 3 must never exceed 5.5 V, if it does, the IC enters a test mode

RGB INPUTS (PINS 21, 20, AND 19 RESPECTIVELY); note 5

Vi(p-p)

input voltage (peak-to-peak value)

−

0.7

input impedance

−−

Ω

input capacitance

−−

5pF

UV INPUTS (PINS 3 AND 4 RESPECTIVELY); note 5

Vi(p-p)

U input voltage (peak-to-peak value)

−

1.33

1.90

Vi(p-p)

V input voltage (peak-to-peak value)

−

1.05

1.50

input impedance (both inputs)

−−

Ω

input capacitance (both inputs)

−−

5pF

Y OUTPUT (PIN 12)

Vo(p-p)

U output voltage

black-white

−

1.00

−

Vo(p-p)

PALplus output voltage

black-white

−

0.80

−

output impedance

−−

250

Ω

DC output voltage level

black level

2.7

3.0

3.3

S/N

signal-to-noise ratio

f = 0 to 5 MHz

−

Vos

offset voltage Yblack to re-inserted

black

−−

voltage gain

from Y/CVBSi to Yo

1.35

1.43

1.50

UV OUTPUTS (PINS 14 AND 13); note 5

Vo(p-p)

U output voltage (peak-to-peak value)

−

1.33

1.90

Vo(p-p)

V output voltage (peak-to-peak value)

−

1.05

1.50

output impedance (both outputs)

−−

250

Ω

DC output voltage level

2.3

2.6

2.9

voltage gain

from Uin to Uout

0.94

0.97

1.00

from Vin to Vout

0.94

0.97

1.00

GENERAL

Vdiff

difference between black levels of

YUV outputs in RGB mode and YUV

mode

sync locked mixed RGB/YUV

via fast blanking

−−

non-linearity

any input to any output

−−

bandwidth at

−3 dB

any input to any output;

CL =15pF

−−

MHz

crosstalk between RGB and UVin

signals on UVout

f=0to5MHz

−−−50

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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