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TDA9847 Datasheet(PDF) 2 Page - NXP Semiconductors |
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TDA9847 Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 28 page  1995 May 23 2 Philips Semiconductors Preliminary specification TV and VTR stereo/dual sound processor with digital identification TDA9847 FEATURES • Supply voltage 5 to 8 V • Source selector • Stereo matrix • AF inputs for external stereo AF signals (SCART or NICAM) • AF outputs for main and SCART • LED operation mode indication (stereo and dual) • High identification reliability. GENERAL DESCRIPTION The TDA9847 is a stereo/dual sound processor for TV and VTR sets. Its identification ensures safe operation by using internal digital PLL technique with extremely small bandwidth, synchronous detection and digital integration (switching time maximum 2.0 s; identification concerning the main functions). QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage (pin 22) 4.5 5 8.8 V IP supply current (pin 22) without LED current 14 15 20 mA Vi(rms) nominal input signal voltage Vi1 to Vi4 (RMS value) 54% modulation B/G − 250 − mV L − 500 − mV Vo(rms) nominal output signal voltage (RMS value) 54% modulation − 500 − mV Vo(rms) clipping level of the output signal voltages (RMS value) THD ≤ 1.5%; B/G or L VP = 5 V 1.4 1.60 − V VP = 8 V 2.4 2.65 − V ILon input current LED on −− 12 mA Vi pil input voltage sensitivity of pilot frequency unmodulated 5 − 100 mV S/N(W) weighted signal-to-noise ratio “CCIR468-3” 66 75 − dB THD total harmonic distortion − 0.2 0.3 % Tamb operating ambient temperature 0 − +70 °C fident identification window width stereo 2.2 − 2.2 Hz dual 2.3 − 2.3 Hz tident on total identification time on 0.35 − 2.0 s Vi tuner identification voltage sensitivity − 28 − dB µV ∆f pil pull-in frequency range of pilot PLL fosc = 10.008 MHz lower side −296 −−296 Hz upper side 302 − 302 Hz TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA9847 SDIP24 plastic shrink dual in-line package; 24 leads (400 mil) SOT234-1 TDA9847T SO24 plastic small outline package; 24 leads; body width 7.5 mm SOT137-1 |
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