TDA9817TS datasheet(13/41 Pages) PHILIPS

13 / 41 page

2004 Jun 29

Philips Semiconductors

Product speciﬁcation

Single/multistandard VIF/SIF-PLL and

FM-PLL/AM demodulators

TDA9817; TDA9818

Tuner AGC (pin TAGC)

Vi(rms)

IF input signal voltage for

minimum starting point of

tuner takeover

(RMS value)

input at pins VIF1

and VIF2; RTOP =22kΩ;

ITAGC = 0.4 mA

−

IF input signal voltage for

maximum starting point of

tuner takeover

(RMS value)

input at pins VIF1

and VIF2; RTOP =0 Ω;

ITAGC = 0.4 mA

100

−

Vo(TAGC)

permissible output voltage

from external source;

note 2

−−

13.2

Vsat(TAGC)

saturation voltage

ITAGC = 1.5 mA

−−

0.2

∆VTOP(TAGC)/∆T variation of takeover point

by temperature

ITAGC = 0.4 mA

−

0.03

0.07

dB/K

ITAGC(sink)

sink current

see Fig.5

no tuner gain reduction;

VTAGC = 13.2 V

−−

µA

maximum tuner gain

reduction

1.5

2.6

∆GIF

IF slip by automatic gain

control

tuner gain current from

20% to 80%

−

AFC circuit (pin AFC); see Fig.9; note 12

CRstps

control steepness

∆IAFC/∆f note 13

33.9 MHz

0.5

0.75

1.0

µA/kHz

38.9 MHz

0.5

0.75

1.0

µA/kHz

45.75 MHz

0.45

0.65

0.85

µA/kHz

58.75 MHz

0.38

0.55

0.72

µA/kHz

∆fIF/∆T

frequency variation by

temperature

B/G and L standard;

IAFC = 0; note 4

−−±20 × 10−6 K−1

L accent standard;

IAFC = 0; note 4

−−±60 × 10−6 K−1

Vo(AFC)

output voltage

upper limit

VP − 0.6 VP − 0.3 −

lower limit

−

0.3

0.6

Io(source)(AFC)

output source current

150

200

250

µA

Io(sink)(AFC)

output sink current

150

200

250

µA

∆IAFC(p-p)

residual video modulation

current

(peak-to-peak value)

B/G and L standard

−

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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