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TDA1593 Scheda tecnica(PDF) 7 Page - NXP Semiconductors |
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TDA1593 Scheda tecnica(HTML) 7 Page - NXP Semiconductors |
7 / 20 page 1996 Oct 10 7 Philips Semiconductors Product specification IF amplifier/demodulator for FM car radio receivers TDA1593 CHARACTERISTICS VP = 8.5 V; Tamb = +25 °C; fIF = 10.7 MHz; deviation ±22.5 kHz with fm = 400 Hz; Vi = 10 mV (RMS) at pin 20; de-emphasis of 50 µs; tuned circuit at pins 10 and 11 aligned for symmetrical stop pulses; measurements taken in Fig.4 unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MIN. UNIT VP supply voltage (pin 1) 7.5 8.5 12 V IP supply current I2 =0 − 20 26 mA IF amplifier and demodulator Zi demodulator input impedance between pins 10 and 11 25 40 55 k Ω Ci demodulator input capacitance between pins 10 and 11 − 6 − pF AF output (pin 4) Ro output resistance − 400 −Ω V4 DC output level ViIF ≤ 5 µV (RMS) on pin 20 2.75 3.1 3.45 V PSRR power supply ripple rejection (pin 4) f = 1000 Hz; Vripple = 50 mV (RMS) 33 36 − dB Tuning stop detector ∆fSTOP-0 detuning frequency for STOP-0 (pin 15) see Fig.9 V15 ≥ 3.5 V −− +14.0 kHz V15 ≤ 0.3 V +22.0 −− kHz ∆fSTOP-1 detuning frequency for STOP-1 (pin 14) see Fig.8 V14 ≥ 3.5 V −−−14.0 kHz V14 ≤ 0.3 V −22.0 −− kHz V20 dependency on input voltage for STOP-0 and STOP-1 (RMS value) see Fig.7 V14, 15 ≥ 3.5 V 250 −−µV V14, 15 ≤ 0.3 V −− 50 µV V14, 15 output voltage I14, 15 =1mA −− 0.3 V Reference voltage source (pin 5) Vref reference output voltage I5 = −1 mA 3.3 3.7 4.1 V R5 output resistance I5 = −1mA − 40 80 Ω TC temperature coefficient − 3.3 − mV/K External muting V16 muting voltage at I2 =0 V20 ≤ 5 µV (RMS); see Fig.10 1.45 1.75 2.05 V V20 = 1 mV (RMS) 3.0 3.45 3.9 V S steepness of control voltage slope: 100 µV ≤ V20 ≤ 100 mV; 20 ∆log V 20 =20dB − 0.85 − V/dec ∆V 16 ∆ V 20 log --------------------- |
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