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AD9645 Datasheet(PDF) 5 Page - Analog Devices |
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AD9645 Datasheet(HTML) 5 Page - Analog Devices |
5 / 36 page Data Sheet AD9645 Rev. 0 | Page 5 of 36 DIGITAL SPECIFICATIONS AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted. Table 3. Parameter1 Temp Min Typ Max Unit CLOCK INPUTS (CLK+, CLK−) Logic Compliance CMOS/LVDS/LVPECL Differential Input Voltage2 Full 0.2 3.6 V p-p Input Voltage Range Full AGND − 0.2 AVDD + 0.2 V Input Common-Mode Voltage Full 0.9 V Input Resistance (Differential) 25°C 15 kΩ Input Capacitance 25°C 4 pF LOGIC INPUT (SCLK/DFS) Logic 1 Voltage Full 1.2 AVDD + 0.2 V Logic 0 Voltage Full 0 0.8 V Input Resistance 25°C 30 kΩ Input Capacitance 25°C 2 pF LOGIC INPUT (CSB) Logic 1 Voltage Full 1.2 AVDD + 0.2 V Logic 0 Voltage Full 0 0.8 V Input Resistance 25°C 26 kΩ Input Capacitance 25°C 2 pF LOGIC INPUT (SDIO/PDWN) Logic 1 Voltage Full 1.2 AVDD + 0.2 V Logic 0 Voltage Full 0 0.8 V Input Resistance 25°C 26 kΩ Input Capacitance 25°C 5 pF LOGIC OUTPUT (SDIO/PDWN)3 Logic 1 Voltage (I OH = 800 μA) Full 1.79 V Logic 0 Voltage (I OL = 50 μA) Full 0.05 V DIGITAL OUTPUTS (D0x±, D1x±), ANSI-644 Logic Compliance LVDS Differential Output Voltage Magnitude (V OD) Full 290 345 400 mV Output Offset Voltage (V OS) Full 1.15 1.25 1.35 V Output Coding (Default) Twos complement DIGITAL OUTPUTS (D0x±, D1x±), LOW POWER, REDUCED SIGNAL OPTION Logic Compliance LVDS Differential Output Voltage Magnitude (V OD) Full 160 200 230 mV Output Offset Voltage (V OS) Full 1.15 1.25 1.35 V Output Coding (Default) Twos complement 1 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed. 2 Specified for LVDS and LVPECL only. 3 Specified for 13 SDIO/PDWN pins sharing the same connection. |
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