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TDA7513T 데이터시트(PDF) 5 Page - STMicroelectronics |
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TDA7513T 데이터시트(HTML) 5 Page - STMicroelectronics |
5 / 59 page 5/59 TDA7513T 4 ELECTRICAL CHARACTERISTCS 4.1 FM (VCC = 8V; Tamb = 25°C; Vsg = 60dBµV; fc = 98.1MHz; fdev = 40kHz; fmod = 1kHz unless otherwise specified) Table 3. General (audioprocessor all flat and stereo decoder input gain = 4dB ) Table 4. Mixer1 Table 5. Front-end Adjustment (VRFadj and VANTadj referred to VLFOUT) Symbol Parameter Test Condition Min Typ Max Unit US Useable sensitivity SNR = 40dB 0 dB µV SNR Signal to Noise ratio 66 dB LS Limiting Sensitivity Soft Mute OFF; @ ∆Vout = -3dB -4 dB µV THD Total Harmonic Distortion fdev = 40kHz 0.1 0.3 % fdev = 75kHz 0.15 0.5 % Vout Audio output level rms 375 mV ISN Interstation noise ∆Vout @ RF OFF; Soft Mute OFF -13 dB IFCS IF Counter sensitivity 2 10 dB µV Icc DC current OSCVcc 5.7 mA PLLVcc 1.9 mA DIGVcc 9.8 mA TUNVcc 50 mA IF1Vcc 13.4 mA APVcc 27.3 mA Symbol Parameter Test Condition Min Typ Max Unit Gv conversion gain from RFT secondary to IFT1 secondary loaded with 330 Ω 9dB IIP3 3rd order intercept point referred to RFT secondary dB µV CIFT1 IFT1 adjustment capacitor min Between MIXOUT+ and MIXOUT- 0 pF max 8.25 pF step 0.55 pF Rin input resistance (single ended) FMMIX1IN+ and FMMIX1IN- w.r.t. gnd 10 Ω Symbol Parameter Test Condition Min Typ Max Unit Vantadj min -40 % max 40 % step 1.29 % VRFadj min -40 % max 40 % step 1.29 % |
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