Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA1597 Datenblatt(PDF) 6 Page - NXP Semiconductors |
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TDA1597 Datenblatt(HTML) 6 Page - NXP Semiconductors |
6 / 24 page 1997 Feb 27 6 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1597 THERMAL CHARACTERISTICS CHARACTERISTICS VP = 8.5 V; Tamb =25 °C; FM-MUTE-ON (I7 = 0); 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 VALUE UNIT Rth j-a thermal resistance from junction to ambient in free air SOT102-1 80 K/W SOT163-1 90 K/W SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage 7.5 8.5 12 V IP supply current I2 =I7 =0 − 20 26 mA Mode switch input I7 input current FM-MUTE-ON − 0 − mA V7 input voltage FM-MUTE-ON 2.4 2.8 3.2 V FM-MUTE-OFF 0.9Vref −− V FM-OFF; AF attenuation >60 dB −− 1.4 V 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 voltage 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) V15 ≥ 3.5 V; see Fig.11 −− 26 kHz V15 ≤ 0.3 V; see Fig.11 38 −− kHz ∆fSTOP-1 detuning frequency for STOP-1 (pin 14) V14 ≥ 3.5 V; see Fig.10 −−−26 kHz V14 ≤ 0.3 V; see Fig.10 −38 −− kHz V20(rms) dependence on input voltage for STOP-0 and STOP-1 (RMS value) V14, 15 ≥ 3.5 V; see Fig.9 250 −− µV V14, 15 ≤ 0.3 V; see Fig.9 −− 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/VK |
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