PDF TDA9873H Data sheet ( Hoja de datos )

Número de pieza	TDA9873H
Descripción	Multistandard dual carrier stereo sound decoder
Fabricantes	NXP Semiconductors
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No Preview Available ! INTEGRATED CIRCUITS DATA SHEET TDA9873H Multistandard dual carrier stereo sound decoder Product speciﬁcation Supersedes data of 1999 Dec 03 File under Integrated Circuits, IC02 2000 Apr 04 1 page Philips Semiconductors Multistandard dual carrier stereo sound decoder Product speciﬁcation TDA9873H PINNING SYMBOL PIN DESCRIPTION OUTL 1 left audio output OUTR 2 right audio output CDE1 3 de-emphasis 1 capacitor n.c. 4 not connected n.c. 5 not connected CDE2 6 de-emphasis 2 capacitor AGND 7 analog ground AF1I 8 audio 1 input n.c. 9 not connected AF1O 10 audio 1 output n.c. 11 not connected n.c. 12 not connected AFR 13 AF1 and AF2 signal return LF1 14 loop ﬁlter 1 XTAL 15 4 MHz reference input n.c. 16 not connected n.c. 17 not connected LF2 18 loop ﬁlter 2 n.c. 19 not connected n.c. 20 not connected MAD 21 programmable address bit (module address) SYMBOL PIN DESCRIPTION n.c. 22 not connected n.c. 23 not connected CAF1 24 audio 1 (AF1) capacitor IFINT 25 IF intercarrier input CAF2 26 audio 2 (AF2) capacitor DGND 27 digital ground VCC SCL SDA 28 supply voltage (+5 V) 29 serial clock input (I2C-bus) 30 serial data input/output (I2C-bus) LPF 31 pilot loop ﬁlter AF2O 32 audio 2 output AF2I 33 audio 2 input CTRIG 34 trigger capacitor CID 35 identiﬁcation capacitor n.c. 36 not connected P1 37 output port 1 EXTM 38 external audio input mono EXTR 39 external audio input right EXTL Vref P2 40 external audio input left 41 reference voltage (1⁄2VCC) 42 output port 2 OUTM 43 mono output n.c. 44 not connected 2000 Apr 04 5 5 Page Philips Semiconductors Multistandard dual carrier stereo sound decoder Product speciﬁcation TDA9873H SYMBOL PARAMETER CONDITIONS MIN. VCAF BAF(−3dB) DC voltage at CAF1 and CAF2 −3 dB audio frequency bandwidth dependent on intercarrier frequency fFM measured at AF1O and AF2O; see Figs 7 and 8 0.6 Vo(FM)(rms) output level (RMS value) upper limit dependent on 65 loop ﬁlter; note 4 lower limit dependent on − CAF; CAF = 470 nF; note 5 measured at − AF1O and AF2O 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 reduced gain 200 Vo(cl)(rms) AF output clipping level (RMS value) VCC = 5 V; THD = 1.5% 1 400 RL CL RL(DC) Ro THD αcs(AF)(stereo) allowable load resistance allowable load capacitance allowable DC load resistance output resistance total harmonic distortion AF channel separation (stereo mode; complete signal path) AC coupled Vo(rms) = 0.5 V; fAF = 1 kHz without alignment; note 7 B/G or M (Korea) standard 10 − 100 70 − 25 D/K standard potentiometer alignment; B/G, M and D/K standard; notes 7 and 8 I2C-bus alignment; notes 7 and 9 23 35 αct(AF)(dual) B/G and D/K standard M standard AF crosstalk attenuation (dual fi = 1 kHz for signal A; mode) fi = 400 Hz for signal B; ∆f = ±50 kHz complete signal path 40 35 65 αmute(AF) mute attenuation of AF signal stereo decoder only 70 75 TYP. MAX. − 2.6 80 − − 20 250 − 500 600 250 300 −− −− − 1.5 −− 150 300 0.2 0.5 30 − 27 − 40 − 45 − 40 − 70 − 75 − 80 − UNIT V kHz Hz mV mV mV mV kΩ nF kΩ Ω % dB dB dB dB dB dB dB dB 2000 Apr 04 11 11 Page

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