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TDA9820 Folha de dados(PDF) 7 Page - NXP Semiconductors |
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TDA9820 Folha de dados(HTML) 7 Page - NXP Semiconductors |
7 / 20 page 1996 Nov 20 7 Philips Semiconductors Product specification Multistandard/dual channel TV FM intercarrier sound demodulator TDA9820 CHARACTERISTICS All voltages are measured to GND (pin 13); VP =5V; Tamb =25 °C; ∆fi = ±50 kHz; fmod = 1 kHz; V1, 2, 3, 16/15 = 10 mV (RMS value); measurements taken in Fig.5; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pin 14) VP supply voltage 4.5 5.0 8.8 V IP supply current 23 30 37 mA Source selector and limiter-amplifier 1 (pins 1, 2, 3 and 16) VI DC input voltage activated input 2.25 2.5 2.75 V not activated input −− 0.1 V RI input resistance activated input 480 600 720 Ω not activated input −− 600 Ω Vi(rms) input signal (RMS value) − 150 250 µV allowed input signal (RMS value) 200 −− mV αct crosstalk attenuation not activated input to activated input 40 50 − dB Limiter-amplifier 2 V15 DC input voltage 2.25 2.5 2.75 V V15(rms) input signal (RMS value) ; note 1 − 150 250 µV input signal for mute off (RMS value) 0.7 1.0 1.5 mV allowed input signal (RMS value) 200 −− mV R15 input resistance 480 600 720 Ω δ hysteresis of level detector 8 12 16 dB PLL FM demodulators VCO1 and VCO2 fVCO1 free-running frequencies R11 =27kΩ; see Table 1 − 4.5 − MHz − 5.5 − MHz − 6.0 − MHz − 6.5 − MHz fVCO2 free-running frequencies R11 =27kΩ; see Table 1 − 4.7 − MHz − 5.7 − MHz − 6.7 − MHz ∆ffr negative/positive free-running frequency spread −− 10 % D/ ∆f fr drift of free-running frequencies Tamb = 0 to 70 °C − 500 750 kHz ∆ffr(shift) shift of free-running frequencies 4.5 V < VP < 8.8 V − 200 300 kHz ∆ffr(ar) negative/positive adjustment range of free-running frequencies R11 =22kΩ 1 −− MHz R11 adjustment resistance for free-running frequencies (pin 11) 15 − 29 k Ω SN + N -------------- 40 dB = SN + N -------------- 40 dB = |
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Descrição semelhante - TDA9820 |
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