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TDA3858 датащи(PDF) 2 Page - NXP Semiconductors |
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TDA3858 датащи(HTML) 2 Page - NXP Semiconductors |
2 / 17 page June 1994 2 Philips Semiconductors Product specification Quasi-split sound processor for all standards TDA3858 FEATURES • Quasi-split sound processor for all standards e. g. B/G (FM sound) and L (AM sound) • Reducing of spurious video signals by tracking function and AFC for the vision carrier reference circuit; (recommended for NICAM) • Automatic muting of the AF2 signal (at B/G) by the input level • AM signal processing for L standard and switching over the audio signal • Stereo matrix correction • Layout-compatible with TDA3856 (24 pins) and TDA3857 (20 pins). GENERAL DESCRIPTION Separate symmetrical IF inputs for FM or AM sound. Gain controlled wideband IF amplifier, input select switch. AGC generation due to peak sync for FM or mean signal level for AM. Reference amplifier for the regeneration of the vision carrier. Optimized limiting amplifier for AM suppression in the regenerated vision carrier signal and 90 ° phase shifter. Intercarrier mixer for FM sound, output with low-pass filter. Separate signal processing for 5.5 and 5.74 MHz intercarriers. Wide supply voltage range, only 300 mW power dissipation at 5 V. QUICK REFERENCE DATA ORDERING INFORMATION Note 1. SOT 232-1; 1996 November 21. SYMBOL PARAMETER MIN. TYP. MAX. UNIT VP1 supply voltage (pin 27) 4.5 5 8.8 V VP2 alternative supply voltage (pin 28) 10.8 12 13.2 V Data at VP1 =5 V IP supply current (pin 27) − 60 72 mA Vi IF IF input sensitivity ( −3 dB) − 70 100 µV VO (RMS) audio output signal for FM (B/G) − 1 − V VO (RMS) audio output signal for AM (L) − 0.6 − V THD total harmonic distortion for FM − 0.5 − % for AM − 1 − % S/N (W) weighted signal-to-noise ratio for FM − 68 − dB for AM − 56 − dB EXTENDED TYPE NUMBER PACKAGE PINS PIN POSITION MATERIAL CODE TDA3858 32 shrink DIL plastic SOT232(1) |
Аналогичный номер детали - TDA3858 |
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Аналогичное описание - TDA3858 |
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