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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD-DPGIOZ датащи(PDF) 57 Page - Analog Devices |
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AD-DPGIOZ датащи(HTML) 57 Page - Analog Devices |
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57 / 61 page  Data Sheet AD9961/AD9963 Rev. A | Page 57 of 60 fDAC (MHz) 0 20 40 60 80 100 0 25 50 75 100 8x 4x 2x 1x 125 150 175 Figure 102. IDVDD18 vs. fDAC, 1×, 2×, 4×, 8× (Tx only) 0 5 10 15 20 25 30 35 0 10 20 30 40 50 60 70 80 90 100 fDATA (MHz) 3.3V 2.5V 1.8V Figure 103. IDRVDD vs. fDATA, (Tx Enable and Disabled) Power Calculation Example The following example shows how to estimate the device power consumption under a typical operating condition. Operating conditions: fCLK = 60 MHz fDLL = 120 MHz fDAC = 120 MHz fADC = 60 MHz 4× interpolation 2× decimation DAC full-scale current = 2 mA TXVDD = CLK33V = AUX33V = 3.3 V Auxiliary ADC enabled All other supplies powered from external 1.8 V supplies. Table 30. Example Power Supply Currents Supply Typical Current (mA) Typical Power (mW) RX18V 74 133 RX18VF 30 54 TXVDD 16 53 CLKVDD18V 5.2 9.5 DLL18V 7.5 13.5 DVDD18V (Rx) 9 16.2 DVDD18V (Tx) 35 63 DRVDD 5 9 AUX33V 0.5 1.7 Total (1.8 V) 169 298 Total (3.3 V) 16 55 |
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