Datasheet AD9257-EP (Analog Devices) - 5

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Data Sheet AD9257-EP 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, 2 Temp Min Typ Max Unit
CLOCK INPUTS (CLK+, CLK−) Logic Compliance CMOS/LVDS/LVPECL Differential Input Voltage3 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 INPUTS (PDWN, SYNC, SCLK) 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) 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)4 Logic 1 Voltage (IOH = 800 μA) Full 1.79 V Logic 0 Voltage (IOL = 50 μA) Full 0.05 V DIGITAL OUTPUTS (D± x), ANSI-644 Logic Compliance LVDS Differential Output Voltage (VOD) Full ±247 ±350 ±454 mV Output Offset Voltage (VOS) Full 1.13 1.21 1.38 V Output Coding (Default) Twos complement DIGITAL OUTPUTS (D± x), LOW POWER, REDUCED SIGNAL OPTION Logic Compliance LVDS Differential Output Voltage (VOD) Full ±150 ±200 ±250 mV Output Offset Voltage (VOS) Full 1.13 1.21 1.38 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 When referencing a single function of a multifunction pin in the parameters, only the portion of the pin name that is relevant to the specification is listed. For full pin names of multifunction pins, refer to the Pin Configuration and Function Descriptions section. 3 This is specified for LVDS and LVPECL only. 4 This is specified for 13 SDIO/DFS pins sharing the same connection. Rev. A | Page 5 of 13 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING SPECIFICATIONS Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE