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AD9575-EVALZ-LVD Arkusz danych(PDF) 8 Page - Analog Devices |
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AD9575-EVALZ-LVD Arkusz danych(HTML) 8 Page - Analog Devices |
8 / 16 page AD9575 Rev. 0 | Page 8 of 16 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 2 3 4 5 6 7 8 VDDA VDDX XO1 GNDA GNDX XO2 GNDA VDDA 16 15 14 13 12 11 10 9 GND LVDS/LVPECL OUT LVDS/LVPECL OUT CMOS OUT/SEL1 GND_CMOS VDD_CMOS VDD SEL0 AD9575 TOP VIEW (Not to Scale) Figure 4. Pin Configuration Table 11. Pin Function Descriptions Pin No. Mnemonic Description 1, 7 GNDA Analog Ground. 2, 8 VDDA Analog Power Supply (3.3 V). 3 VDDX Crystal Oscillator Power Supply. 4, 5 XO1, XO2 External Crystal. 6 GNDX Crystal Oscillator Ground. 9 GND_CMOS Ground for LVCMOS Output. 10 CMOS OUT/SEL1 LVCMOS Output/Output Frequency Select. 11 VDD_CMOS Power Supply for LVCMOS Output. 12 VDD Power Supply for LVDS or LVPECL Output. 13 LVDS/LVPECL OUT Complementary LVDS or LVPECL Output. 14 LVDS/LVPECL OUT LVDS or LVPECL Output. 15 GND Ground for LVDS or LVPECL Output. 16 SEL0 Output Frequency Select. Table 12. Output Frequency Selection1 Mode XTAL SEL0 SEL1 LVDS/LVPECL Output LVCMOS Output 1 25 MHz GND X2 100 MHz 33.33 MHz 2 25 MHz VDD GND 156.25 MHz High-Z 3 25.78125 MHz VDD GND 161.132812 MHz High-Z 4 25 MHz NC X2 125 MHz 62.5 MHz 5 25 MHz 15 kΩ pull-up VDD 159.375 MHz High-Z 6 25 MHz 15 kΩ pull-up GND 312.5 MHz High-Z 7 25 MHz VDD VDD 106.25 MHz High-Z 8 19.44 MHz VDD No connect 155.52 MHz High-Z 1 The AD9575 must be power-cycled if the select pin voltages are altered. 2 X = in Mode 1 and Mode 4, Pin 10 is configured as a LVCMOS output by forcing Pin16 to GND. |
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Podobny opis - AD9575-EVALZ-LVD |
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