Philips TEA5880TS, Manual

Page 1: ...full integration Built in adjacent channel interference total reduction no 114 kHz no 190 kHz The level of the incoming signal at which the radio must lock is software programmable Due to new tuning concept the tuning is independent of the channel spacing Very high sensitivity due to integrated low noise RF input amplifier RF Automatic Gain Control AGC circuit Standby mode for power down no power ...

Page 2: ... N N 26 dB de emphasis 75 us BAF 300 Hz to 15 kHz left right 1 3 µV SUPpilot pilot suppression fpilot 6 75 kHz f 68 5 kHz 40 dB IP3in in band 3rd order intercept point at LNA input 95 dBµV IP3out out band 3rd order intercept point at LNA input 95 dBµV S 300 LOW side 300 kHz selectivity f 300 kHz fRF 76 MHz to 108 MHz 40 dB S 300 HIGH side 300 kHz selectivity f 300 kHz fRF 76 MHz to 108 MHz 50 dB S...

Page 3: ...armonic distortion VRF 1 mV left right f 75 kHz fmod 1 kHz BAF 300 Hz to 15 kHz 0 7 1 5 VRF 1 mV left right f 22 5 kHz fmod 1 kHz BAF 300 Hz to 15 kHz 0 2 0 7 DEEM integrated de emphasis 50 75 µs Table 1 Quick reference data continued VCCA VCCD Symbol Parameter Conditions Min Typ Max Unit Table 2 Ordering information Type number Package Name Description Version TEA5880TS SSOP24 plastic shrink smal...

Page 4: ...r host processor tuning 5 Block diagram Depending on the antenna design the filter components at pins 1 and 2 may not be necessary The only two remaining coils connected to pin 17 to 20 can be replaced by printed circuit board traces that will fit underneath the TEA5880TS resulting in a design without any external components see Section 14 for details on the printed circuit board coils Fig 1 Block...

Page 5: ...klijke Philips Electronics N V 2004 All rights reserved Preliminary data sheet Rev 02 26 April 2004 5 of 27 Philips Semiconductors TEA5880TS Integrated FM stereo radio IC for host processor tuning Fig 2 Block diagram no external components 001aaa666 STABILISATOR QUADRATURE OSCILLATOR TUNING SYSTEM SELECTIVITY DEMODULATOR POWER SWITCH STEREO DECODER DE EMPHASIS 50 75 µs DIGITAL INTERFACE MICROCONTR...

Page 6: ...4 digital supply voltage VCCA 5 analog supply voltage R W 6 digital read write command input DATA 7 bidirectional digital data line CLOCK 8 digital data clock line input MPX 9 FM MPX signal output AUDL 10 audio left channel output AUDR 11 audio right channel output LED 12 stereo LED output GND 13 ground n c 14 not connected n c 15 not connected n c 16 not connected LR1 17 coil right VCC1 18 intern...

Page 7: ...ture mixer The VCO frequency range is 150 MHz to 217 MHz 7 3 Selectivity Fully integrated I and Q channel IF filter 7 4 Demodulator The FM quadrature demodulator is an integrated PLL demodulator 7 5 Level voltage generator and analog to digital converter The level voltage is analog to digital converted with 3 bits and output via the data line 7 6 IF counter The IF counter outputs a 16 bit count re...

Page 8: ...are defined for the digital interface of the TEA5880TS Table 4 Digital interface pins Pin number Name Type Description Remark Pin 6 R W input LOW is read from TEA5880TS HIGH is write to TEA5880TS Pin 8 CLOCK input clock rising edge Pin 7 DATA input output bidirectional data Fig 4 Digital interface block diagram 001aaa668 OUTPUT SOURCE SELECTOR CONTROL REGISTER A ADDRESS DECODER CONTROL REGISTER B ...

Page 9: ...illator IF 11 bits 15 0111b OSC_FM write only oscillator FM 11 bits 15 STATUS read only status register 16 bits 15 COUNTER read only counter register 16 bits 15 Table 6 VADC address 0h bit description Bit Symbol Description 14 to 11 address bits 10 to 6 VADC2 4 0 controls the width filter 5 not applicable should be written to logic 0 4 to 0 VADC1 4 0 controls the center filter Table 7 CTRL_C addre...

Page 10: ...en set to logic 0 3 EN_MEAS enables measurement when set to logic 0 2 AMUTE mutes the audio when set to logic 1 1 FM enables the FM circuitry when set to logic 1 0 reserved for AM circuitry should be written to logic 0 Table 10 Description of OUTPUT_SELECT bits Symbol Value Decimal Output selected OS NONE 0000b 0 no output selected OS_FM_OSC 0001b 1 FM oscillator OS_NA2 0010b 2 not defined OS_CNT2...

Page 11: ... and counter 2 2 CNT1_EN counter 1 enabled counting mode when set to logic 1 1 should be written to logic 0 0 MONO mono mode when set to logic 1 stereo mode when set to logic 0 Table 13 Description of output level control register bits Value Decimal Output level 0000b 0 12 mV 0001b 1 20 mV 0010b 2 35 mV 0011b 3 60 mV 0100b 4 100 mV 0101b 5 170 mV 0110b 6 200 mV Table 14 CAP_FM address 5h bit descr...

Page 12: ...he IF frequency Table 16 OSC_FM address 7h bit description 1 Bit Symbol Description 14 to 11 address bits 10 to 0 FO 10 0 11 bit digital to analog converter for adjusting the FM frequency in fine steps this register is used in combination with the CAP_FM register to set a FM frequency Table 17 STATUS bit description 1 Bit Symbol Description 15 to 9 FS 6 0 field strength indicated by the amount of ...

Page 13: ...ode c Set the DATA pin of the application controller into output mode 2 To change from host write mode to host read mode proceed as follows a Keep the CLOCK signal LOW b Set the DATA pin of the application controller into input mode c Set R W to LOW input mode 8 3 Writing to the TEA5880TS Writing to the TEA5880TS is achieved with a 15 bit data pattern D 14 11 4 bit register address D 10 0 11 bit r...

Page 14: ...9 Drive CLOCK into HIGH to LOW transition 10 Repeat step 6 to 9 15 times to shift the remaining 15 bits of data out of the chip Note The TEA5880TS will shift the MSB out first 8 5 Measuring frequency with the TEA5880TS The three frequencies IF stereo decoder clock and FM can be measured by using the counter register and a software timing window This is achieved as follows 1 Select the output to be...

Page 15: ...pplication care should be taken to have an accurate measuring window t 8 6 Initialize the TEA5880TS After power up the TEA5880TS needs to be initialized as follows Control register A STE_PMUTE 1 DEM_PMUTE 1 AMUTE 1 FM 1 other bits 0 Control register B CNT_RST 1 PISO_CLR 1 MONO 1 DEEMP 1 for Europe Bit 8 6 100b other bits 0 Control register C All bits 0 VADC register VADC1 26 decimal this value sho...

Page 16: ... FM stereo radio IC for host processor tuning Fig 6 Reading data 001aaa670 DATA LSB 0 15 MSB 16 bit data R W CLOCK Fig 7 Measuring sequence 001aaa671 enable PISO at output source disable 16 bit counter timing width 8 ms to 100 ms enable 16 bit counter to count reset 16 bit counter clear set 16 bit counter clear enable internet clock enable FM OSC at output source selector ...

Page 17: ... analog supply voltage 0 3 8 V Tstg storage temperature 55 150 C Tamb ambient temperature VCCA VCC VCO VCCD 3 V 10 75 C VCCA VCC VCO VCCD 5 V 40 85 C Vesd electrostatic discharge voltage for all pins 1 200 200 V 2 2000 2000 V Table 20 Thermal characteristics Symbol Parameter Conditions Typ Unit Rth j a thermal resistance from junction to ambient in free air tbd K W Table 21 Digital input AC values...

Page 18: ...0TS Integrated FM stereo radio IC for host processor tuning 13 Components list No external components necessary 1 Mono signal 2 Mono noise 3 Stereo left 4 Stereo right 5 Stereo noise Fig 8 Signal characteristics THD 30 Fig 9 Total harmonic distortion 001aaa673 10 110 70 30 20 40 0 20 dB 60 1 2 3 4 5 RFIN dBµV 001aaa674 RFIN dBµV 10 110 70 30 2 3 1 4 5 THD 0 ...

Page 19: ...8 nH the whole FM tuning band normally from 76 MHz to 108 MHz will be shifted lower If the value of the inductors becomes much smaller than 38 nH the whole FM tuning band normally from 76 MHz to 108 MHz will be shifted higher If the layout of the two inductance traces is not preferred two SMD inductors can be used to replace the two printed circuit board inductance traces as an alternative The lay...

Page 20: ...Philips Semiconductors TEA5880TS Integrated FM stereo radio IC for host processor tuning 15 Application information 1 optional Fig 11 Application diagram 001aaa672 FM antenna TEA5880FM 1 2 3 4 5 6 7 8 9 10 11 12 LL1 LR1 100 nF 1 100 nF 1 24 23 22 21 20 19 18 17 16 15 14 13 RFIN VCCA VCCD LED AUDL MPX CLOCK DATA R W AUDR VCC1 VCC1 ...

Page 21: ... VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC JEITA mm 0 21 0 05 1 80 1 65 0 38 0 25 0 20 0 09 8 4 8 0 5 4 5 2 0 65 1 25 7 9 7 6 0 9 0 7 0 8 0 4 8 0 o o 0 13 0 1 0 2 DIMENSIONS mm are the original dimensions Note 1 Plastic or metal protrusions of 0 2 mm maximum per side are not included 1 03 0 63 SOT340 1 MO 150 99 12 27 03 02 19 X w M θ A A1 A2 bp D HE Lp Q detail X E Z e c L v M A A 3 A 1 12...

Page 22: ...ing soldering and cooling vary between 100 and 200 seconds depending on heating method Typical reflow peak temperatures range from 215 to 270 C depending on solder paste material The top surface temperature of the packages should preferably be kept below 225 C SnPb process or below 245 C Pb free process for all BGA HTSSON T and SSOP T packages for packages with a thickness 2 5 mm for packages with...

Page 23: ...ed tool all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 C 17 5 Package related soldering information 1 For more detailed information on the BGA packages refer to the LF BGA Application Note AN01026 order a copy from your Philips Semiconductors sales office 2 All surface mount SMD packages are moisture sensitive Depending upon the moisture content the maxi...

Page 24: ...nt must incorporate solder thieves downstream and at the side corners 6 Wave soldering is suitable for LQFP QFP and TQFP packages with a pitch e larger than 0 8 mm it is definitely not suitable for packages with a pitch e equal to or smaller than 0 65 mm 7 Wave soldering is suitable for SSOP TSSOP VSO and VSOP packages with a pitch e equal to or larger than 0 65 mm it is definitely not suitable fo...

Page 25: ...ev 02 26 April 2004 25 of 27 Philips Semiconductors TEA5880TS Integrated FM stereo radio IC for host processor tuning 18 Revision history Table 23 Revision history Document ID Release date Data sheet status Change notice Order number Supersedes TEA5880_2 20040426 Preliminary data sheet 9397 750 13022 ...

Page 26: ...personal injury Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application Right to make changes Philips Semiconductors reserves the right to make changes in the products including circuits standard cells and or software described or contain...

Page 27: ...m 4 6 Pinning information 6 6 1 Pin description 6 7 Functional description 7 7 1 FM quadrature mixer 7 7 2 Quadrature oscillator 7 7 3 Selectivity 7 7 4 Demodulator 7 7 5 Level voltage generator and analog to digital converter 7 7 6 IF counter 7 7 7 Mute 7 7 8 Stereo decoder 8 8 Digital interface 3 wire bus 8 8 1 Register description 9 8 2 Accessing the TEA5880TS 13 8 3 Writing to the TEA5880TS 13...