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TDA3592A Arkusz danych(PDF) 2 Page - NXP Semiconductors |
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2 / 17 page January 1988 2 Philips Semiconductors Product specification SECAM-PAL transcoder TDA3592A GENERAL DESCRIPTION The TDA3592A transcoder circuit converts SECAM input signals into true PAL signals, and can be used in combination with all types of PAL decoder. Features • Limiter input for chrominance signal • SECAM demodulator • Clamp circuits and de-emphasis for colour difference signals • Modulator to provide true PAL signals • 4,43 MHz oscillator • Sandcastle pulse detector • Identification circuit for horizontal and vertical SECAM identification • Can be used with all types of PAL decoder • Power-saving feature operates when supply voltage falls to (typ.) 5 V: SECAM processing shuts down but SECAM signal path remains active QUICK REFERENCE DATA PACKAGE OUTLINE 24-lead DIL; plastic with heat spreader (SOT-101B); SOT101-1; 1996 November 25. PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Supply voltage (pin 17) VP 9,0 12,0 13,2 V Supply current (pin 17) VP = 12 V IP 65 90 115 mA Supply current (pin 17 and 18) (SECAM only) VP =5 V IP 16 20 24 mA Chrominance amplifier and demodulator Input signal SECAM (pin 3) (peak-to-peak value) V3-1(p-p) −− 1100 mV Input signal SECAM (pin 3) (peak-to-peak value) V3-1(p-p) 15 100 300 mV Output signal PAL (pin 9) (peak-to-peak value) pin 3 = 280 kHz V9-1(p-p) − 820 − mV Identification Input voltage range for horizontal identification (pin 4) V4-1 4,1 − VP V Input voltage range for vertical identification (pin 4) V4-1 0 − 2,9 V Identification at pin 6 V6-1 − 10,6 − V Slicing level reference voltage (pin 5) V5-1 − 7,0 − V Sandcastle pulse detector Vertical blanking level V19-1 − 1,5 − V Horizontal blanking level V19-1 − 3,5 − V Burst gating level V19-1 − 7,0 − V Luminance amplifier Luminance input signal (peak-to-peak value) V16-1(p-p) − 1,2 − V Luminance amplifier gain at 4,4 MHz G16-15 − 7,0 − dB |
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