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TEA5594

NXP
Part Number TEA5594
Manufacturer NXP
Description AM/FM radio receiver
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TEA5594 AM/FM radio receiver circuit Product specification File under Integrated Circuit...
Datasheet PDF File TEA5594 PDF File

TEA5594
TEA5594

Overview
INTEGRATED CIRCUITS DATA SHEET TEA5594 AM/FM radio receiver circuit Product specification File under Integrated Circuits, IC01 March 1991 Philips Semiconductors Product specification AM/FM radio receiver circuit GENERAL DESCRIPTION The TEA5594 is a 32-pin integrated radio circuit designed for use in all Electronic Tuned Radio (ETR) sets especially those sets which have to fulfil the immunity requirements of CENELEC.
The AM circuit incorporates: • A double balanced mixer • A ‘one-pin’ oscillator with amplitude control operating in the LW/MW frequency range • An IF amplifier and AM detector • An AGC circuit which controls the IF amplifier and mixer The FM circuit incorporates: • A front-end (fulfilling the “out of band” CENELEC requirements) • Two IF amplifiers (for distributed selectivity) • A quadrature demodulator with a ceramic filter PACKAGE OUTLINE 32-lead shrink DIL; plastic (SOT232); SOT232-1; 1996 September 9.
The TEA5594 also contains: TEA5594 • Oscillator output buffers for AM and FM • A combined AM/FM IF counter output buffer with counter “enable” function • A field strength level detector for AM and FM • A soft mute circuit at FM, adjustable • An extra IF amplifier to split up IF filtering Features • Low distortion on FM • AM/FM level/indicator circuit • A DC AM/FM switch facility • Supply voltages 2.
7 to 15 V • A local distance switch facility (LOCAL-DX) at FM • All pins are ESD protected March 1991 2 Philips Semiconductors Product specification AM/FM radio receiver circuit QUICK REFERENCE DATA PARAMETER Supply voltage (pin 9) Total current consumption AM part FM part Operating ambient temperature range AM performance (pin 22) Sensitivity Signal-to-noise ratio AF output voltage Total harmonic distortion Signal handling FM performance (pin 30) Limiting sensitivity Signal-to-noise ratio AF output voltage Total harmonic distortion Maximum signal handling AM suppression 100 µV < Vi < 100 mV Notes to the quick reference data AMS − 50 m = 80%; THD = 8...


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