TDA9885TSLASHV5 datasheet(31/56 Pages) NXP

31 / 56 page

TDA9885_TDA9886_3

Product data sheet

Rev. 03 — 16 December 2008

31 of 56

NXP Semiconductors

TDA9885; TDA9886

I2C-bus controlled multistandard alignment-free IF-PLL demodulators

FM operation[22][25]

Intercarrier AF performance[26]

S/NW

weighted signal-to-noise ratio

PC / SC ratio is 21 dB to

27 dB at pins VIF1 and

VIF2

black picture

white picture

6 kHz sine wave

(black-to-white

modulation)

sound carrier

subharmonics;

f = 2.75 MHz

± 3 kHz

Single reference QSS AF performance[27][28]

S/NW(SC1)

weighted signal-to-noise ratio for

SC1

PC/SC1 ratio at pins VIF1

and VIF2; 27 kHz (54 %

FM deviation);

“ITU-R BS.468-4”

--dB

black picture

white picture

6 kHz sine wave

(black-to-white

modulation)

250 kHz square wave

(black-to-white

modulation)

sound carrier

subharmonics;

f = 2.75 MHz

± 3 kHz

sound carrier

subharmonics;

f = 2.87 MHz

± 3 kHz

Table 20.

Characteristics …continued

VP =5V; Tamb =25 °C; see Table 22 for input frequencies; B/G standard is used for the speciﬁcation (fPC = 38.9 MHz;

fSC = 33.4 MHz; PC / SC = 13 dB; fmod = 400 Hz); input level Vi(VIF) = 10 mV (RMS) (sync level for B/G; peak white level

for L); IF input from 50

Ω via broadband transformer 1 : 1; video modulation DSB; residual carrier for B/G is 10 % and for

L is 3 %; video signal in accordance with “ITU-T J.63 line 17 and line 330” or “NTC-7 Composite”; measurements taken in

test circuit of Figure 26; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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