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AD9544/PCBZ 数据表(PDF) 12 Page - Analog Devices |
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AD9544/PCBZ 数据表(HTML) 12 Page - Analog Devices |
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12 / 62 page ![]() AD9544 Data Sheet Rev. 0 | Page 12 of 62 SYSTEM CLOCK COMPENSATION SPECIFICATIONS Table 15. Parameter Min Typ Max Unit Test Conditions/Comments DIRECT COMPENSATION Resolution 0.028 ppt ppt is parts per trillion (10−12) CLOSED-LOOP COMPENSATION (AUXILIARY DPLL) Phase Detector Frequency 2 200 kHz Loop Bandwidth 0.1 2 × 103 Hz Reference Monitor Threshold 5 % TEMPERATURE SENSOR SPECIFICATIONS Table 16. Parameter Min Typ Max Unit Test Conditions/Comments TEMPERATURE Accuracy TA = −50°C to +110°C Absolute 5 °C Relative 1.7 % Resolution 0.0078 °C 16-bit (signed) resolution Conversion Time 0.18 ms REPEATABILITY ±0.02 °C TA = 25°C DRIFT 0.1 °C 500 hour stress test at 100°C SERIAL PORT SPECIFICATIONS Serial Port Interface (SPI) Mode Table 17. Parameter Min Typ Max Unit Test Conditions/Comments CSB Valid for VDDIOA = 3.3 V, 1.8 V, and 2.5 V Input Logic 1 Voltage VDDIOA − 0.4 V Input Logic 0 Voltage 0.4 V Input Logic 1 Current 1 µA Input Logic 0 Current 1 µA SCLK Input Logic 1 Voltage VDDIOA − 0.4 V Input Logic 0 Voltage 0.4 V Input Logic 1 Current 1 µA Input Logic 0 Current 1 µA SDIO As an Input Input Logic 1 Voltage VDDIOA − 0.4 V Input Logic 0 Voltage 0.4 V Input Logic 1 Current 1 µA Input Logic 0 Current 1 µA As an Output Output Logic 1 Voltage VDDIOA − 0.2 V 1 mA load current Output Logic 0 Voltage 0.2 V 1 mA load current SDO Output Logic 1 Voltage VDDIOA − 0.2 V 1 mA load current Output Logic 0 Voltage 0.2 V 1 mA load current Leakage Current ±1 µA SDO inactive (high impedance) |
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