TDA9873HS datasheet(11/40 Pages) PHILIPS

11 / 40 page

2000 Apr 04

Philips Semiconductors

Product speciﬁcation

Multistandard dual carrier stereo sound decoder

TDA9873H

VCAF

DC voltage at CAF1 and

CAF2

dependent on intercarrier

frequency fFM

0.6

−

2.6

BAF(−3dB)

−3 dB audio frequency

bandwidth

measured at AF1O and

AF2O; see Figs 7 and 8

upper limit dependent on

loop ﬁlter; note 4

−

kHz

lower limit dependent on

CAF;CAF = 470 nF; note 5

−−

Vo(FM)(rms)

output level (RMS value)

measured at

AF1O and AF2O

−

250

−

Audio processing (pins 1, 2, 8 and 33)

Vo(rms)

AF output level (RMS value)

fmod = 300 Hz;

54% modulation;

switchable by I2C-bus;

note 6

normal gain

400

500

600

reduced gain

200

250

300

Vo(cl)(rms)

AF output clipping level

(RMS value)

VCC = 5 V; THD = 1.5%

1400

−−

allowable load resistance

AC coupled

−−

Ω

allowable load capacitance

−−

1.5

RL(DC)

allowable DC load resistance

100

−−

Ω

output resistance

150

300

Ω

THD

total harmonic distortion

Vo(rms) = 0.5 V; fAF = 1 kHz

−

0.2

0.5

cs(AF)(stereo)

AF channel separation (stereo

mode; complete signal path)

without alignment; note 7

B/G or M (Korea)

standard

−

D/K standard

−

potentiometer alignment;

B/G, M and D/K standard;

notes 7 and 8

−

I2C-bus alignment;

notes 7 and 9

B/G and D/K standard

−

M standard

−

ct(AF)(dual)

AF crosstalk attenuation (dual

mode)

fi = 1 kHz for signal A;

fi = 400 Hz for signal B;

∆f= ±50 kHz

complete signal path

−

stereo decoder only

−

mute(AF)

mute attenuation of AF signal

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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