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TDA1596T Datasheet(PDF) 10 Page - NXP Semiconductors |
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TDA1596T Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 20 page April 1991 10 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596 OPERATING CHARACTERISTICS f = 10.7 MHz; V18(rms) = 1 mV; deviation (∆f) = 22.5 kHz; modulation frequency (fm) = 400 Hz; de-emphasis (pin 4) = 50 µs; test circuit as per Fig.3; tuned circuit (Q L = 19) aligned for symmetrical stop pulses; Tamb = +25 °C; unless otherwise specified PARAMETER SYMBOL MIN. TYP. MAX. UNIT AF output voltage (RMS value) at V18(rms) = 10 mV V4(rms) 180 200 220 mV Start of limiting (FM, mute-off); (RMS value) (Fig.11) V18(rms) 14 22 35 µV Dependence of signal-to-noise ratio (in noise frequency band 250 Hz to 15 kHz, unweighted) on input voltage for S/N = 26 dB V18(rms) − 15 −µV for S/N = 46 dB V18(rms) − 60 −µV at V18(rms) = 10 mV; ∆f = 75 kHz S/N − 82 − dB THD (FM, mute-on) at V18(rms) = 10 mV; ∆f = 75 kHz; f m = 1 kHz; without detuning; without de-emphasis; I7 = 0 mA THD − 0.1 0.3 % Dynamic mute attenuation (Fig.12) with fm = 100 kHz; ∆f = 75 kHz α D − 16 − dB Slope of attenuation curve α D∆f − 0.8 − dB/kHz THD (FM, mute-on) at V18(rms) = 10 mV; ∆f = 75 kHz; f m = 1 kHz; detuning ≤ ± 25 kHz without de-emphasis; I7 = 0 mA (Fig.13) THD −− 0.6 % THD (FM, mute-off and compensated via pin 3) at V18(rms) = 10 mV; ∆f = 75 kHz; f m = 1 kHz; V7 = V5 THD − 0.07 0.25 % Voltage range at pin 3 for THD compensation V3 0 − V5 V AM suppression (FM, mute-off) with amplitude modulation at 30%; input voltage range V18 = 300 µV to 100 mV (Fig.14) − 65 − dB Power supply ripple rejection = 20log [ ∆V 1/∆V4]33 36 − dB Mute attenuation (FM-off) = 20log [V4(FM-on/V4(FM-off)]60 −− dB α D 20 V 4 FMmute off – () V 4 FM mute , on – () ------------------------------------------------------ log = |
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