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ADV7123JSTZ240 数据表(PDF) 11 Page - Analog Devices |
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ADV7123JSTZ240 数据表(HTML) 11 Page - Analog Devices |
11 / 24 page ADV7123 Rev. D | Page 11 of 24 Pin No. Mnemonic Description 37 RSET A resistor (RSET) connected between this pin and GND controls the magnitude of the full-scale video signal. Note that the IRE relationships are maintained, regardless of the full-scale output current. For nominal video levels into a doubly terminated 75 Ω load, RSET = 530 Ω. The relationship between RSET and the full-scale output current on IOG (assuming ISYNC is connected to IOG) is given by: RSET (Ω) = 11,445 × VREF (V)/IOG (mA) The relationship between RSET and the full-scale output current on IOR, IOG, and IOB is given by: IOG (mA) = 11,445 × VREF (V)/RSET (Ω) (SYNC being asserted) IOR, IOB (mA) = 7989.6 × VREF (V)/RSET (Ω) The equation for IOG is the same as that for IOR and IOB when SYNC is not being used, that is, SYNC tied permanently low. 38 PSAVE Power Save Control Pin. Reduced power consumption is available on the ADV7123 when this pin is active. |
类似零件编号 - ADV7123JSTZ240 |
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类似说明 - ADV7123JSTZ240 |
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