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LA72910V-TLM-E Datasheet(PDF) 7 Page - ON Semiconductor |
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LA72910V-TLM-E Datasheet(HTML) 7 Page - ON Semiconductor |
7 / 10 page LA72910V No.A0783-7/10 Pin Description Pin No. Pin Name Description Equivalent circuit 1 Emphasis filter Main Emphasis filter pin. Before FM Modulation, make emphasis characteristic at video signal. Emphasis time constant must be matching at de-emphasis time constant. (If you don’t need the emphasis, this pin is open.) 2.7k Ω 620 Ω 1 R1 C1 2 VCC5V VCC pin. Supply voltage is 5V DC. Please connect de-coupling capacitor. 3 Main_OUT Push-Pull output pin. MOD mode: FM carrier output. (1.8Vp-p: Rout=200 Ω) DEMOD mode: Video signal output. (2.0Vp-p: Rout=1k Ω) 3 MOD DEMOD 4 Regulator filter Internal regulator filter pin. Please connect 0.1 μF (C1) 4 C1 5 VD_IN/FM_IN DEMOD mode: FM signal input. Internal DC bias is 3.3V. Please use capacitor (C1) coupling. MOD mode: VD signal input. Please input VD signal directory. Please consider input impedance. 5 FM Sig 200 Ω 1k Ω C1 VD Sig 6 Mode control MOD mode/ DEMOD mode setting pin. MOD mode: Please set over 2V DC voltage. (2 to 5V). DEMOD mode: Please set under 0.4V DC voltage. (0 to 0.4V). 6 1k Ω Continued on next page. |
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