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AD1954YST 数据表(PDF) 4 Page - Analog Devices |
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AD1954YST 数据表(HTML) 4 Page - Analog Devices |
4 / 36 page –4– AD1954 SPECIFICATIONS (continued) DIGITAL I/O Parameter Min Typ Max Unit Input Voltage High (VIH) 2.1 V Input Voltage High (VIH) – RESETB 2.25 V Input Voltage Low (VIL) 0.8 V Input Leakage (IIH @ VIH = 2.1 V) 10 µA Input Leakage (IIL @ V IL IL IL = 0.8 V) IL IL 10 µA High Level Output Voltage (VOH), IOH = 2 mA DVDD – 0.5 V Low Level Output Voltage (VOL), IOL = 2 mA OL OL 0.4 V Input Capacitance 20 pF Specifications subject to change without notice. POWER Parameter Min Typ Max Unit SUPPLIES* Voltage, Analog and Digital 4.5 5 5.5 V Analog Current 42 48 mA Analog Current, Power-Down 40 46 mA Digital Current 65 75 mA Digital Current, SPI Power-Down 6 10 mA Digital Current, Reset Power-Down 53 61 mA DISSIPATION Operation, Both Supplies 510 mW Operation, Analog Supplies 210 mW Operation, Digital Supplies 325 mW SPI Power-Down, Both Supplies 230 mW Reset Power-Down, Both Supplies 465 mW POWER SUPPLY REJECTION RATIO 1 kHz 300 mV p-p Signal at Analog Supply Pins –80 dB 20 kHz 300 mV p-p Signal at Analog Supply Pins –80 dB *ODVDD current is dependent on load capacitance and clock rate. Specifications subject to change without notice. TEMPERATURE RANGE Parameter Min Typ Max Unit Specifications Guaranteed 25 °C Functionality Guaranteed –40 +105 °C Storage –55 +125 °C Specifications subject to change without notice. REV. A |
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