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TDA8303A Arkusz danych(PDF) 9 Page - NXP Semiconductors |
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TDA8303A Arkusz danych(HTML) 9 Page - NXP Semiconductors |
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9 / 21 page  July 1992 9 Philips Semiconductors Preliminary specification Small signal combination IC for black/white TV TDA8303 TDA8303A Sound circuit (note 12) V15 input limiting voltage VO(max) = −3 dB − 400 800 µV R15 input resistance − 2.6 − k Ω C15 input capacitance − 6 − pF AMS AM suppression note 13 53 58 − dB V12(RMS) AF output signal (RMS value) note 14 400 600 800 mV V12(RMS) AF output signal when pin 11 is used as a starting pin or connected to VP (RMS value) ∆f = 50 kHz 500 900 1500 mV Z12 AF output impedance − 25 100 Ω THD total harmonic distortion note 15 − 0.5 2 % RR ripple rejection volume control −20 dB; fk = 100 Hz − 35 − dB V12 output voltage when muted − 2.5 − V V12 output level shift due to muting volume control −20 dB −− 0.5 dB S/N signal-to-noise ratio note 16 − 47 − dB V11 voltage with pin 11 disconnected − 6 − V I11 current with pin 11 short-circuited to ground − 1 − mA V12 temperature dependence of the output signal amplitude Tamb = 20 to 65 °C; −30 dB volume control and voltage of pin 11 fixed; note 17 − 2.5 − dB Volume control (note 17; see Fig.8) R11 external control resistor note 17 − 4.7 − k Ω OSS suppression of output signal during mute condition 60 66 − dB Horizontal synchronization circuit (see Fig.9) SYNC SEPARATOR V25 required sync pulse amplitude note 20 200 750 − mV I25 input current (pin 25) V25 > 5 V − 8 −µA V25 = 0 V − 10 − mA FIRST CONTROL LOOP ±∆f PLL holding range − 1500 2000 Hz ±∆f PLL catching range 600 1500 − Hz control sensitivity to oscillator note 21 see Fig.10 V8-9 IF input signal at which the time constant is switched (RMS value) strong-to-weak − 2.2 − mV SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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