TDA9815 datasheet(13/40 Pages) PHILIPS

13 / 40 page

1998 Feb 11

Philips Semiconductors

Product speciﬁcation

Multistandard/MAC VIF-PLL with QSS-IF

and dual FM-PLL/AM demodulator

TDA9815

∆IF

VIF amplitude step for

activating fast AGC mode

L and MAC standard

−2

−6

−10

V3(th)

threshold voltage level

additional charging current

see Fig.8

L standard

−

1.95

−

L standard; fast mode L

−

1.65

−

MAC standard; fast

mode MAC

−

1.9

−

Tuner AGC (pin 19)

Vi(rms)

IF input signal voltage for

minimum starting point of

tuner takeover (RMS value)

input at pins 1, 2, 4 and 5;

RTOP =22kΩ; I19 = 0.4 mA

−

IF input signal voltage for

maximum starting point of

tuner takeover (RMS value)

input at pins 1, 2, 4 and 5;

RTOP =0 Ω; I19 = 0.4 mA

100

−

Vo,19

permissible output voltage

from external source; note 2

−−

13.2

Vsat,19

saturation voltage

I19 = 1.5 mA

−−

0.2

∆V

TOP,19/∆T

variation of takeover point by

temperature

I19 = 0.4 mA

−

0.03

0.07

dB/K

I19(sink)

sink current

see Fig.3

no tuner gain reduction;

V19 = 13.2 V

−−

µA

maximum tuner gain

reduction

1.5

2.6

∆G

IF slip by automatic gain

control

tuner gain current from

20 to 80%

−

AFC circuit (pin 23); see Fig.7 and note 14

control steepness

∆I23/∆f

note 15

0.5

0.75

1.0

µA/kHz

∆f

IF/∆T

frequency variation by

temperature

IAFC = 0; note 6

B/G and L standard

−−±20 × 10−6 K−1

L accent standard

−−±60 × 10−6 K−1

Vo,23

output voltage upper limit

see Fig.7 without external

components

VP − 0.6 VP − 0.3 −

output voltage lower limit

−

0.3

0.6

Io,23(source)

output source current

see Fig.7

150

200

250

µA

Io,23(sink)

output sink current

150

200

250

µA

∆I

23(p-p)

residual video modulation

current (peak-to-peak value)

B/G and L standard

−

µA

Sound IF ampliﬁer (pins 31 and 32)

Vi SIF(rms)

input signal voltage

sensitivity (RMS value)

FM mode;

−3 dB at

intercarrier output pin 20

−

µV

AM mode;

−3 dB at

AF output pin 12

−

100

µV

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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