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TEA6850H 数据表(PDF) 9 Page - NXP Semiconductors |
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TEA6850H 数据表(HTML) 9 Page - NXP Semiconductors |
9 / 20 page July 1994 9 Philips Semiconductors Preliminary specification IF filter / amplifier / demodulator for FM radio receivers TEA6850 AC CHARACTERISTICS VP = 8.5 V; Tamb = +25 °C; f = 10.7 MHz with fm = 1 kHz, ±22.5 kHz deviaton (∆f = ±22.5 kHz); EMF = 30 mV RMS; 50 µs de-emphasis; filter bandwidth = 50 kHz overall; −6 dB gain from EMF to IF filter output (pins 21 and 22); in noise frequency band for S/N measurements 300 Hz to 15 kHz; S/N stereo measurement with ideal decoder; measurements taken in Fig.4 unless otherwise specified. Reference voltage source V9 voltage at pin 9 2.4 2.55 2.7 V V10 voltage at pin 10 2.95 3.25 3.55 V V11 voltage at pin 11 0.98 1.08 1.2 V TK temperature coefficient of V10 and V11 − 3.3 − 10−3/K SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT DS100 dynamic selectivity for 100 kHz EMF = 700 µV13 16 − dB distance EMF = 14 mV 10 12 − dB DS200 dynamic selectivity for 200 kHz EMF = 700 µV22 27 − dB distance EMF = 14 mV 18 22 − dB S/N signal-to-noise ratio mono 61 67 − dB stereo 54 57 − dB EMF IF signal S/N = 26 dB; V5 = 5 V − 20 45 µV S/N = 46 dB; V5 = 5 V − 130 370 µV EMF input voltage for start of limiting −3 db at MPX output; − 10 20 µV (RMS value) V5 = 5V THD total harmonic distortion ∆f = 75 kHz − 0.3 0.5 % ∆f = 100 kHz − 0.5 1 % fm = 8 kHz; ∆f = 75 kHz − 35% D57 attenuation of third harmonic fm = 19 kHz; ∆f = 6.75 kHz; 14 20 − dB measured at pin 4 measured at 57 kHz compared to 57 kHz ∆f = 2 kHz EMF admissible maximum input voltage 300 −− mV (RMS value) A14-21,22 gain to IF filter output (adjustable) −−6 − dB ∆A DC downconverter adjustable range −10 −+6dB VO MPX output voltage (RMS value) 180 200 220 mV ∆V O MPX output voltage ripple 1 kHz < fmod < 15 kHz −−±2dB 23 kHz < fmod < 53 kHz −−±2dB SYMBOL PARAMETER MIN. TYP. MAX. UNIT |
类似零件编号 - TEA6850H |
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类似说明 - TEA6850H |
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