Datasheet AD9284 (Analog Devices) - 5

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Data Sheet AD9284 DIGITAL SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, 1.0 V internal ADC reference, full temperature, unless otherwise noted.
Table 3. Parameter
1
Temperature Min Typ Max Unit
CLOCK INPUTS (CLK+, CLK−) Logic Compliance LVDS/PECL Internal Common-Mode Bias Full 1.2 V Differential Input Voltage2 Full 0.2 6 V p-p Input Voltage Range Full AVDD − 0.3 AVDD + 1.6 V High Level Input Voltage Full 1.2 3.6 V Low Level Input Voltage Full 0 0.8 V High Level Input Current Full −10 +10 μA Low Level Input Current Full −10 +10 μA Input Resistance (Differential) 25°C 20 kΩ Input Capacitance 25°C 4 pF LOGIC INPUTS CSB High Level Input Voltage Full 1.2 DRVDD + 0.3 V Low Level Input Voltage Full 0 0.8 V High Level Input Current Full −5 −0.4 +5 μA Low Level Input Current Full −80 −63 −50 μA Input Resistance 25°C 30 kΩ Input Capacitance 25°C 2 pF SCLK, SDIO/PWDN, OE High Level Input Voltage Full 1.2 DRVDD + 0.3 V Low Level Input Voltage Full 0 0.8 V High Level Input Current Full 50 57 70 μA Low Level Input Current Full −5 −0.4 +5 μA Input Resistance 25°C 30 kΩ Input Capacitance 25°C 2 pF DIGITAL OUTPUTS (D7+, D7− to D0+, D0−), LVDS DRVDD = 1.8 V Differential Output Voltage (VOD) Full 290 345 400 mV Output Offset Voltage (VOS) Full 1.15 1.25 1.35 V Output Coding (Default) Offset binary 1 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions and an explanation of how these tests were completed. 2 Specified for LVDS and LVPECL only. Rev. A | Page 5 of 24 Document Outline Features Applications General Description Product Highlights Functional Block Diagram Revision History Specifications DC Specifications AC Specifications Digital Specifications Switching Specifications SPI Timing Specifications Timing Diagram Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Equivalent Circuits Theory of Operation ADC Architecture Analog Input Considerations Differential Input Configurations Voltage Reference RBIAS Clock Input Considerations Clock Input Options Digital Outputs Digital Output Enable Function () Built-In Self-Test (BIST) and Output Test Built-In Self-Test (BIST) Output Test Modes Serial Port Interface (SPI) Configuration Using the SPI Hardware Interface Configuration Without the SPI SPI Accessible Features Memory Map Reading the Memory Map Register Table Open Locations Default Values Logic Levels Transfer Register Map Channel-Specific Registers Memory Map Register Table Memory Map Register Descriptions Voltage Reference (Register 0x18) Bits[7:5]—Reserved Bits[4:0]—Voltage Reference Applications Information Design Guidelines Power and Ground Recommendations Exposed Paddle Thermal Heat Sink Recommendations VCM RBIAS Reference Decoupling SPI Port Outline Dimensions Ordering Guide