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CXA1784AS Datasheet(PDF) 9 Page - Sony Corporation |
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CXA1784AS Datasheet(HTML) 9 Page - Sony Corporation |
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9 / 38 page  – 9 – CXA1784AS Pin Symbol Pin Equivalent circuit Description No. voltage 31 32 33 34 35 VCAWGT VCATC ITIME TVOUT-R TVOUT-L 4.0V 1.7V 1.3V 4.0V Weight the VCA control effective value detection circuit. (Connect a 1 µF capacitor and a 3.9 k Ω resistor in series between this pin and GND.) Determine the restoration time constant of the VCA control effective value detection circuit. (The specified restoration time constant can be obtained by connecting a 10 µF capacitor between this pin and GND.) Set the reference current for the effective value detection timing current. The reference current is adjusted with the BUS DATA “SPECTRAL” based on the current which flows to this pin. The timing current determines the restoration time constant of the detection circuit and the variable de-emphasis characteristics. (Connect a 43 k Ω (±1%) resistor between this pin and GND.) TVOUT right channel output pin. TVOUT left channel output pin. 4k VCC 30k 8k 36k 2.9V 3p 500 500 147 40k 40k ↓ 50µ ↓ 8µ 31 ↓ 50µ VCC 4k 20k × 4 × 4 ↓ 7.5µ 32 40k 40k 30k 30p 1.8k 2.6V 25k 147 20k 40k 10k VCC 47k × 4 33 3k 500 500 VCC 34 35 |
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