TDA9819T datasheet(13/40 Pages) PHILIPS

13 / 40 page

1998 Jul 14

Philips Semiconductors

Product speciﬁcation

Multistandard vision and sound-IF PLL with

DVB-IF processing

TDA9819

AFC circuit (pin 23); see Fig.7 and note 16

SUSA

control steepness

∆I23/∆ff0 = 45.75 MHz; see Fig.12

and note 17

0.6

0.91

1.2

µA/kHz

SEUR

f0 = 38.9 MHz; see Fig.12

and note 17

0.5

0.72

1.0

µA/kHz

frequency variation by

temperature

IAFC = 0; note 5

−−

±20

ppm/K

Vo,23

output voltage upper limit

see Fig.7

VP − 0.6 VP − 0.3 −

output voltage lower limit

see Fig.7

−

0.3

0.6

Io,23(source)

output source current

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)

M, B/G and L standard

−

µA

Sound IF ampliﬁer (pins 31 and 32); note 18

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

−

110

µV

Vi max(rms)

maximum input signal voltage

(RMS value)

FM mode; +1 dB at

intercarrier output pin 20

−

AM mode; +1 dB at

AF output pin 12

100

160

−

GSIFcr

SIF gain control range

FM and AM mode; see Fig.4 59

−

Ri(diff)

differential input resistance

note 2

1.7

2.2

2.7

Ω

Ci(diff)

differential input capacitance

note 2

1.2

1.7

2.5

VI(31,32)

DC input voltage

−

3.4

−

SIF,VIF

crosstalk attenuation between

SIF and VIF input

between pins 1, 2, 4 and 5

and pins 31 and 32;

notes 2 and 3

−−

SIF-AGC detector (pin 8)

charging current

FM mode

µA

AM mode

0.8

1.2

1.6

µA

discharging current

FM mode

µA

normal mode AM

1.4

1.8

µA

fast mode AM

110

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

∆

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