TA2008AN TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2008AN 5V AM / FM 1 Chip Tuner IC (for digital tuning system) The TA2008AN is the AM / FM 1 chip tuner IC, which is designed for radio cassette players and music centers. This is suitable for digital tuning system applications. Features · Suitable for combination with digital tuning system which is included IF counter. · One terminal type AM / FM IF count output (auto stop signal) for IF counter of digital tuning system. · FM: 1.3375MHz (1 / 8 dividing) · AM: 450kHz Weight: 1.2g (typ.) · Built−in mute circuit for IF count output. · For adopting ceramic discriminator and ceramic resonator, it is not necessary to adjust the FM quad detector circuit and FM stereo detector vco circuit. · Built−in one terminal type AM / FM local oscillator buffer output for digital tuning system applications. · Operating supply voltage range: VCC = 3.5~14V (Ta = 25°C) 1 2002-10-30 TA2008AN 2 2002-10-30 TA2008AN Explanation Of Terminals Pin No. Characteristic 1 FM-RF in 2 GND1 (GND for RF stage) 3 Internal Circuit DC Voltage (V) (at no signal) AM FM 0 0.8 0 0 Mix out 0.3 0.8 4 AGC 1.2 0.9 5 VCC2 (VCC for IF / FM ST DET stage) 5.0 5.0 6 FM IF in 5.0 5.0 ― ― 3 2002-10-30 TA2008AN Pin No. Characteristic Internal Circuit DC Voltage (V) (at no signal) AM FM 5.0 5.0 0 0 QUAD (FM QUAD. Detector) 4.1 3.6 St ind ・Stereo LED terminal ・Offset voltage cancel for AM RF amp. 4.2 ― 1.35 1.35 7 AM IF in 8 GND2 (GND for if / FM ST DET stage) 9 10 11 L-out (L-ch output) 12 R-out (R-ch output) ― 4 2002-10-30 TA2008AN Pin No. Characteristic Internal Circuit DC Voltage (V) (at no signal) AM FM 13 VCO 5.0 4.1 14 LPF2 ・LPF terminal for synchronous detector. ・VCO stop terminal V14 = GND → VCO stop 5.0 3.4 15 LPF1 ・LPF terminal for phase detector ・Bias terminal for AM / FM SW circuit V15 = GND → AM V15 = open → FM 0 2.8 16 FM ST DET in 1.4 1.4 5 2002-10-30 TA2008AN Pin No. Characteristic Internal Circuit DC Voltage (V) (at no signal) AM FM 17 DET out 1.4 1.4 18 IF out / REQ V18 = GND → IF out 4.0 4.0 19 OSC out 4.0 4.0 20 VCC1 (VCC for RF stage) 5.0 5.0 21 FM OSC 5.0 5.0 ― 6 2002-10-30 TA2008AN Pin No. Characteristic 22 AM OSC 23 FM RF out 24 AM RF in Internal Circuit cf. pin (1) 7 DC Voltage (V) (at no signal) AM FM 5.0 5.0 5.0 5.0 5.0 5.0 2002-10-30 TA2008AN Maximum Ratings (Ta = 25°C) Characteristic Symbol Rating Unit Supply voltage VCC 15 V LED current ILED 10 mA LED voltage VLED 15 V Power dissipation P D* 1200 mW Operating temperature Topr -25~75 °C Storage temperature Tstg -55~150 °C * : Derated above Ta = 25°C in the proportion of 9.6mW / °C Electrical Characteristics Unless Otherwise Specified, Ta = 25°C, VCC = 5V, SW8: Off, F / E: f = 98MHz, fm = 1kHz FM IF: f = 10.7MHz, ∆f = ±22.5kHz, fm = 1kHz AM: f = 1MHz, MOD = 30%, fm = 1kHz FM ST DET: fm = 1kHz Characteristic F/E Test Circuit Test Condition Min. Typ. Max. Unit ICC (FM) ― Vin = 0, FM mode ― 27 36 ICC (AM) ― Vin = 0. AM mode ― 18 25 Input limiting voltage Vin (lim) ― -3dB limiting with respect to VOD level at Vin = 60dBµV EMF ― 11 ― dBµV EMF Local OSC buffer output voltage VOSC (buff) FM ― fOSC = 108.7MHz 90 180 ― mVrms Vin (lim.) IF ― -3dB limiting with respect to VOD level at Vin = 80dBµV EMF 40 45 50 dBµV EMF Recovered output voltage VOD ― Vin = 80dBµV EMF 50 75 100 mVrms Signal to noise ratio S/N ― Vin = 80dBµV EMF ― 70 ― dB Total harmonic distortion THD ― Vin = 80dBµV EMF ― 0.3 ― % AM rejection ratio AMR ― Vin = 80dBµV EMF ― 50 ― dB SD output sensitivity VSD ― VSD = VCC-0.1V 53 58 63 dBµV EMF IF count output frequency f1 / 8 IF (FM) ― Vin = 80dBµV EMF, SW8: On 1.3373 1.3375 1.3377 MHz IF count output voltage V1 / 8 IF (FM) ― Vin = 80dBµV EMF,SW8: On 350 500 ― mVp-p IF count output sensitivity IF sens (FM) ― SW8: On 49 54 59 dBµV EMF Supply current Input limiting voltage FM IF Symbol 8 mA 2002-10-30 TA2008AN Symbol Test Circuit GV ― Recovered output voltage VOD Signal to noise ratio Total harmonic distortion Characteristic Min. Typ. Max. Unit Vin = 26dBµV EMF 20 45 80 mVrms ― Vin = 60dBµV EMF 45 65 90 mVrms S/N ― Vin = 60dBµV EMF ― 42 ― dB THD ― Vin = 60dBµV EMF ― 1.0 ― % Local OSC buffer output voltage VOSC (buff) AM ― fOSC = 1.45MHz 90 150 ― mVrms IF count output voltage VIF (AM) ― Vin = 60dBµV EMF, SW8: On, 350 500 ― mVp-p IF count output sensitivity IF sens (AM) ― SW8: On 35 40 45 dBµV EMF R17 ― FM mode ― 0.75 ― AM mode ― 15.5 ― RIN ― ― 24 ― kΩ ROUT ― ― 5 ― kΩ Vin max (stereo) ― L + R = 90%, P = 10%, SW4: LPF on fm = 1kHz, THD = 3% ― 800 ― mVrms fm = 100Hz ― 42 ― ― L + R = 180mVrms P = 20mVrms SW4: LPF on fm = 1kHz 35 42 ― fm = 10kHz ― 42 ― Vin = 200mVrms ― 0.1 ― L + R = 180mVrms, P = 20mVrms, SW4: LPF on, ― 0.1 ― AM Gain Pin (17) output resistance Input resistance Output resistance Max. Composite signal input voltage FM St DET Separation Total harmonic distortion Sep. Monaural Stereo THD (monaural) THD (stereo) ― Test Condition kΩ dB % GV ― Vin = 200mVrms -2 0 2 dB C. B. ― Vin = 200mVrms -2 0 2 dB ― Pilot input ― 8 15 2 6 ― VH ― To LED turn off from LED turn on ― 2 ― mVrms Capture range C. R. ― P = 15mVrms ― ±1.3 ― % Signal to noise ratio S/N ― Vin = 200mVrms ― 80 ― dB Muting attenuation MUTE ― Vin = 200mVrms ― 80 ― dB Voltage gain Channel balance Stereo LED sensitivity On VL (ON) Off VL (OFF) Stereo LED hysteresis 9 mVrms 2002-10-30 TA2008AN 10 2002-10-30 TA2008AN Coil Data Coil No. Test Freq. L (µH) Co (pF) Qo 1-2 Turns 2-3 1-3 3-6 Wire (mmf) Reference L1 FM RF 100MHz 100 2 1 2 0.5 UEW Within core L1 FM OSC 100MHz 100 2 1 2 0.5 UEW Within core T1 AM mix 455kHz 4-6 20 0.06 UEW (T): A7LCS-12064N T2 AM OSC 796kHz 0.06 UEW (S): 2157-2239-213A (T): A7BRS-11998Y 180 268 48↑ 47 111 125 15 89 158 (S): Sumida electric co., ltd. (T): Toko co., ltd. 11 2002-10-30 TA2008AN Package Dimensions Weight: 1.2g (typ.) 12 2002-10-30 TA2008AN RESTRICTIONS ON PRODUCT USE 000707EBA · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 13 2002-10-30