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TDA4471 数据表(PDF) 6 Page - TEMIC Semiconductors |
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TDA4471 数据表(HTML) 6 Page - TEMIC Semiconductors |
6 / 16 page TELEFUNKEN Semiconductors TDA4471 Preliminary Information Rev. A1: 18.08.1995 6 (16) Thermal Resistance Parameters Symbol Value Unit Thermal resistance: junction–ambient when soldered to PCB RthJA 55 K/W Electrical Characteristics Vs = +5V, Tamb = +25°C; reference point Pin 4 (9, 18), unless otherwise specified Parameters Test Conditions / Pins Symbol Min. Typ. Max. Unit DC–supply Pin 25 Supply voltage VS 4.5 5.0 9.0 V Supply current: IS 75 85 mA VIF–inputs Pin 6–7, 10–11 Input sensitivity, RMS value for FPLL locked vin 80 120 µV Input impedance see note 1 Rin 1.2 k Input capacitance see note 1 Cin 2 pF VIF–AGC Pin 8, 17 IF gain control range Gv 60 65 dB AGC capacitor at pin 8 CAGC 2.2 µF Black level capacitor at pin 17 CBL 100 nF Tuner–AGC Pin 12, 13 see note 2 Available tuner–AGC cur- rent Itun 1 2 4 mA Allowable output voltage Vout 0.3 13.5 V IF slip – tuner AGC current Itun: 10% to 90% GIF 8 10 dB IF input signal for mini- mum take over point Rtop = 10 k (Vtop= 4.5 V) vin 4 mV IF input signal for maxi- mum take over point Rtop = 0 (Vtop = 0.8 V) vin 40 mV Variation of the take over point by temperature Tamb = 55°C VIF–AGC: Gv = 46 dB vin 2 3 dB FPLL and VCO Pin 20, 22, 23, 28 Max. oscillator frequency for carrier generation fvco 70 MHz Vision carrier capture range fvco = 38.9 MHz Cvco = 6.8 pF fcap 1.5 2 MHz Oscillator drift (free run- ing) as function of temper- ature see note 3 Tamb = 55°C, Cvco = 6.8 pF, fvco = 38.9 MHz f/T –0.3 % |
类似零件编号 - TDA4471 |
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类似说明 - TDA4471 |
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