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TDA7541W 数据表(PDF) 8 Page - STMicroelectronics |
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TDA7541W 数据表(HTML) 8 Page - STMicroelectronics |
8 / 76 page Pin connection and pin description TDA7541 8/76 5 WB Weather Band Input 6 AMMIX1REF AM Mixer1 Reference 7 AMPINDR AM Pin Diode Driver Output 8 FMMIX1IN1 FM Mixer1 Input1 9 GNDRF RF Ground 10 FMMIX1IN2 FM Mixer1 Input2 11 TV Tuning Voltage Preselection 12 FMPINDR FM Pin Diode Driver Output 13 FMAGCTC FM AGC Time Constant 14 VCOB VCO Input Base 15 VCOE VCO Output Emitter 16 VCCVCO VCO Supply 17 GNDVCO VCO Ground 18 LPOUT OpAmp Output to PLL Loop Filter 19 VREF2 Voltage Reference for PLL OpAmp 20 LPF OpAmp Input to PLL Loop Filter 21 LPHC High Current PLL Loop Filter Input 22 SW Free Programmable Switch Output 23 MUX Multiplexer Output 24 SSTOP Search Stop Output 25 SDA I2C Bus Data 26 SCL I2C Bus Clock 27 FSU Unweighted Field Strength Output 28 FSTC S-meter Filtering Capacitor 29 XTALG Xtal Oscillator to MOS Gate 30 ISSTC1 ISS Filter Time Constant1 (slow) 31 ISSTC2 ISS Filter Time Constant2 (fast) 32 XTALD Xtal Oscillator to MOS Drain 33 GNDVCC1 Digital Ground 34 L Stereo Decoder Output Left 35 R Stereo Decoder Output Right 36 VCC1 Digital Supply 37 FSWO Weighted Field Strength Output 38 GNDSTD Stereo Decoder Ground 39 MPTC Multipath Detector Time Constant Table 2. Pin description (continued) Pin No. Pin name Function |
类似零件编号 - TDA7541W |
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类似说明 - TDA7541W |
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