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TEA5591 데이터시트(PDF) 2 Page - NXP Semiconductors |
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TEA5591 데이터시트(HTML) 2 Page - NXP Semiconductors |
2 / 22 page June 1989 2 Philips Semiconductors Product specification AM/FM radio receiver circuit TEA5591 GENERAL DESCRIPTION The TEA5591 is an integrated radio circuit which is designed for use in portable receivers and clock radios. The IC is also applicable to mains-fed AM an AM/FM receivers and car radio-receivers. The main advantage of this IC is its ability to operate over a wide range of supply voltages without loss of performance. The AM circuit incorporates a balanced mixer and a ‘one-pin’ oscillator, which operates in the 0.6 MHz to 30 MHz frequency range, with amplitude control. The circuit also includes an IF amplifier, a detector and an AGC circuit which controls the IF amplifier and the mixer. The FM circuit incorporates an RF amplifier, a balanced mixer and a ‘one-pin’ oscillator together with two AC coupled IF amplifiers (with distributed selectivity), a quadrature demodulator for the ceramic filter and internal AFC. Features • DC AM/FM switch facility • Three internal separate stabilizers to enable operation over a wide range of supply voltages (1.8 to 15 V) • All pins (except pin 9) are ESD protected. QUICK REFERENCE DATA PACKAGE OUTLINE 20-lead DIL; plastic (SOT146); SOT146-1; 1996 August 14. PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Supply voltage (pin 8) VP 1.8 3.0 15 V Supply current AM part IP(AM) − 14 19 mA FM part IP(FM) − 17 23 mA Operating ambient temperature range Tamb −15 −+60 °C AM performance (pin 13) m = 0.3 RF sensitivity RF input voltage Vo = 10 mV Vi − 3.5 −µ V RF input voltage (S +N)/N = 26 dB Vi − 17 −µV Signal plus noise-to-noise ratio Vi = 1 mV (S +N)/N − 48 − dB AF output voltage Vo − 50 − mV Total harmonic distortion THD − 0.7 − % FM performance (pin 1) ∆f = 22.5 kHz RF sensitivity RF input voltage −3 dB before limiting Vi − 2.3 4.0 µV Signal plus noise-to-noise ratio for: RF input signal voltage (Vi)Vi = 3.0 µV(S+N)/N 23 26 − dB Vi = 1 mV (S +N)/N − 60 − dB AF output voltage Vi = 100 µVVo 75 90 − mV Total harmonic distortion THD − 0.8 − % |
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