ta2149bfn TOSHIBA Semiconductor CORPORATION, ta2149bfn Datasheet
ta2149bfn
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ta2149bfn Summary of contents
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... 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. ...
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Block Diagram RFout V RFin OSC AM MIX FM FMRF MIX ANTENNA LOW GND RFin CUT BFP V OSC BUFF OUT T PSC ...
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Explanation of Terminals (Terminal Voltage: Typical terminal voltage at no signal with test circuit 25° ° ° ° PIN Characteristic No. RF GND 1 (GND for ...
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PIN Characteristic No GND 8 (GND for AM, FM IF, MPX) 9 AGC QUAD GND 11 R-OUT 12 L-OUT Internal Circuit GND 8 ¾ GND ...
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PIN Characteristic No. LPF2 · LPF terminal for phase detector · Bias terminal AM/ circuit = GND ® OPEN ® LPF1 · LPF terminal for synchronous detector · VCO stop terminal ...
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PIN Characteristic No REQ 18 ST LED 19 OSC OUT 20 AM OSC 21 FM OSC Internal Circuit kHz 18 GND PSC SW RF-GND ...
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PIN Characteristic No RFin for FM RF stage RFout cf. pin 1 Internal Circuit AGC 22 GND 8 ¾ 7 TA2149BN/BFN Terminal Voltage (Typ.) ( ...
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Application Note 1. AM Low-Cut Circuit · The AM Low-Cut action is carried out by the bypass of the high frequency component of the positive-feedback signal at the AF AMP stage. The external capacitor: C by-pass this component. 3 · ...
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V Line CC This ICs have two voltage supply terminals, V stage). Set up the potential difference between V case that this IC doesn’t operate normally. 5. How to control the Divider of FM OSC. AM buff OSC FM ...
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... Power dissipation TA2149BFN Operating temperature Storage temperature Note 2: Derated above Ta = 25°C in the proportion of 9.6 mW/°C for TA2149BN of 4 mW/°C for TA2149BFN. (Unless otherwise specified 25° Electrical Characteristics F/ MHz IF 10.7 MHz ± ± ± ± 75 kHz, f ...
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Characteristic Input resistance Output resistance Max. composite signal input voltage Separation Monaural (Monaural) Total harmonic MPX distortion Stereo Voltage gain Channel balance ON Stereo LED sensitivity OFF Stereo LED hysteresis Capture range Signal noise ratio Muting attenuation Coil Data L ...
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Test Circuit AM- 0.022 Vin RFout RFin FM OSC AM OSC LOW FM RFin MIX OUT GND CUT 1 2 ...
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Package Dimensions Weight: 1.2 g (typ.) TA2149BN/BFN 13 2001-12-21 ...
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Package Dimensions Weight: 0.14 g (typ.) TA2149BN/BFN 14 2001-12-21 ...
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RESTRICTIONS ON PRODUCT USE · 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 ...