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TDA3856 データシート(PDF) 2 Page - NXP Semiconductors |
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TDA3856 データシート(HTML) 2 Page - NXP Semiconductors |
2 / 17 page June 1994 2 Philips Semiconductors Product specification Quasi-split sound processor for all standards TDA3856 FEATURES • Quasi-split sound processor for all standards e. g. B/G (FM sound) and L (AM sound) • 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 • Layout-compatible with TDA3858 (32 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. SOT234-1; 1996 November 28. 2. SOT137-1; 1996 November 28. SYMBOL PARAMETER MIN. TYP. MAX. UNIT VP supply voltage (pin 21) 4.5 5 8.8 V IP supply current − 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 TDA3856 24 shrink DIL plastic SOT234(1) TDA3856T 24 SO plastic SOT137(2) |
同様の部品番号 - TDA3856 |
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同様の説明 - TDA3856 |
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