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TA2149BN Scheda tecnica(PDF) 1 Page - Toshiba Semiconductor |
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TA2149BN Scheda tecnica(HTML) 1 Page - Toshiba Semiconductor |
1 / 15 page TA2149BN/BFN 2001-12-21 1 TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2149BN,TA2149BFN 3 V AM/FM 1 Chip Tuner IC (for Digital Tuning System) TA2149BN, TA2149BFN are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3 V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC. Functions · For NEW FCC. · Suitable for combination with Digital Tuning System which is included IF Counter. · Adjustable for IF count output sensitivity by external resistance of pin 17 (FM only). · One terminal type AM/FM IF count output for IF counter of Digital Tuning System. · FM: 1.3375 MHz (1/8 dividing) · AM: 450 kHz · Built-in Mute Circuit for IF count output. · For adopting ceramic Discriminator, it is not necessary to adjust the FM Quad Detector Circuit. · Built-in FM MPX VCO circuit. · Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications. · Built-in 1/16 Pre-scaler for FM Local OSC Buffer. · Built-in AM Low cut circuit. · Low supply current. (VCC = 3 V, Ta = 25°C) ICCq (FM) = 13 mA (Typ.) ICCq (AM) = 8.5 mA (Typ.) · Operating Supply voltage range: VCC = 1.8~7 V (Ta = 25°C) Note 1: Handle with care to prevent devices from deteriorations by static electricity. TA2149BN TA2149BFN Weight SDIP24-P-300-1.78: 1.2 g (Typ.) SSOP24-P-300-0.65A: 0.14 g (Typ.) |
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