PDF TEA5768HL Data sheet ( Hoja de datos )

Número de pieza	TEA5768HL
Descripción	Low-power FM stereo radio
Fabricantes	Philips
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No Preview Available ! INTEGRATED CIRCUITS DATA SHEET TEA5768HL Low-power FM stereo radio for handheld applications Product speciﬁcation Supersedes data of 2003 Nov 06 2004 Sep 13 1 page This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... R1 Igain 25 VCCA 22 nF 4.7 Ω AGND 26 22 µF VCCA 27 47 nF LIMDEC2 24 47 nF LIMDEC1 23 47 nF TIFC 22 GAIN STABILIZATION 33 nF Vref 21 MPXO 20 33 nF TMUTE 19 VAFR 18 VAFL 17 POWER SUPPLY RESONANCE AMPLIFIER LIMITER DEMODULATOR SOFT MUTE SDS FM antenna 100 pF L1 I/Q-MIXER 1st FM ÷2 N1 RFI1 28 27 pF RFGND 29 47 pF RFI2 30 TAGC 31 4.7 nF LOOPSW 32 AGC TUNING SYSTEM IF CENTRE FREQUENCY ADJUST LEVEL ADC programmable divider output reference frequency divider output IF COUNTER Iref MPX DECODER TEA5768HL MUX SOFTWARE PROGRAMMABLE PORT pilot CRYSTAL OSCILLATOR 16 PILFIL 1 nF 33 kΩ 22 nF 15 PHASEFIL 14 XTAL2 22 nF Ccomp(1) 13 XTAL1 Cpull(1) 32.768 kHz or 13 MHz 12 SWPORT2 10 kΩ 11 SWPORT1 10 kΩ VCCA VCO I2C-BUS mono 10 BUSENABLE 9 BUSMODE 10 nF 12 CPOUT VCOTANK1 34 VCOTANK2 VCC(VCO) 39 nF 10 kΩ D1 D2 5 DGND VCCD 12 Ω 6 VCCD 22 nF 78 DATA CLOCK mhc275 100 kΩ L3 L2 47 Ω 22 nF The component list is given Chapter 14. VCC(VCO) (1) Ccomp and Cpull data depends on crystal specification. Fig.1 Block diagram. 5 Page Philips Semiconductors Low-power FM stereo radio for handheld applications Product speciﬁcation TEA5768HL Table 11 Search stop level setting SSL1 0 0 1 1 SSL0 0 1 0 1 not allowed in search mode low; level ADC output = 5 mid; level ADC output = 7 high; level ADC output = 10 SEARCH STOP LEVEL Table 12 Format of 4th data byte BIT 7 (MSB) SWP2 BIT 6 STBY BIT 5 BL BIT 4 XTAL BIT 3 SMUTE BIT 2 HCC BIT 1 SNC BIT 0 (LSB) SI Table 13 Description of 4th data byte bits BIT SYMBOL DESCRIPTION 7 SWP2 Software programmable port 2: if SWP2 = 1 then port 2 is HIGH; if SWP2 = 0 then port 2 is LOW 6 STBY Standby: if STBY = 1 then in standby mode; if STBY = 0 then not in standby mode 5 BL Band Limits: if BL = 1 then Japanese FM band; if BL = 0 then US/Europe FM band 4 XTAL if XTAL = 1 then fxtal = 32.768 kHz; if XTAL = 0 then fxtal = 13 MHz 3 SMUTE Soft MUTE: if SMUTE = 1 then soft mute is ON; if SMUTE = 0 then soft mute is OFF 2 HCC High Cut Control: if HCC = 1 then high cut control is ON; if HCC = 0 then high cut control is OFF 1 SNC Stereo Noise Cancelling: if SNC = 1 then stereo noise cancelling is ON; if SNC = 0 then stereo noise cancelling is OFF 0 SI Search Indicator: if SI = 1 then pin SWPORT1 is output for the ready ﬂag; if SI = 0 then pin SWPORT1 is software programmable port 1 Table 14 Format of 5th data byte BIT 7 (MSB) PLLREF BIT 6 DTC BIT 5 − BIT 4 − BIT 3 − BIT 2 − BIT 1 − BIT 0 (LSB) − Table 15 Description of 5th data byte bits BIT 7 6 5 to 0 SYMBOL PLLREF DTC − DESCRIPTION if PLLREF = 1 then the 6.5 MHz reference frequency for the PLL is enabled; if PLLREF = 0 then the 6.5 MHz reference frequency for the PLL is disabled if DTC = 1 then the de-emphasis time constant is 75 µs; if DTC = 0 then the de-emphasis time constant is 50 µs not used; position is don’t care 2004 Sep 13 11 11 Page

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