Datasheet AD7616 (Analog Devices) - 10

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Data Sheet AD7616 Serial Mode Timing Specifications Table 4. Parameter Min Typ Max Unit Description
f 1 SCLK

40/50

MHz

SCLK frequency

tSCLK 1/fSCLK

Minimum SCLK period t 1 SCLK_SETUP 10.5 ns CS to SCLK falling edge setup time, VDRIVE above 3 V 13.5 ns CS to SCLK falling edge setup time, VDRIVE above 2.3 V tSCLK_HOLD 10 ns SCLK to CS rising edge hold time tSCLK_LOW 8 ns SCLK low pulse width tSCLK_HIGH 9 ns SCLK high pulse width t 1 DOUT_SETUP 9 ns Data out access time after SCLK rising edge, VDRIVE above 3 V 11 ns Data out access time after SCLK rising edge, VDRIVE above 2.3 V tDOUT_HOLD 4 ns Data out hold time after SCLK rising edge tDIN_SETUP 10 ns Data in setup time before SCLK falling edge tDIN_HOLD 8 ns Data in hold time after SCLK falling edge tDOUT_3STATE 10 ns CS rising edge to SDOx high impedance 1 Dependent on VDRIVE and load capacitance (see Table 14).
CONVST BUSY t t t SCLK_SETUP DOUT_SETUP DOUT_HOLD t t SCLK SCLK_HIGH tSCLK_LOW tSCLK_HOLD CS 1 2 3 14 15 16 SCLK SDOA DB15 DB14 DB13 DB2 DB1 DB0 SDOB DB15 DB14 DB13 DB2 DB1 DB0 SDI DB15 DB14 DB13 DB2 DB1 DB0
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t t t DIN_SETUP DIN_HOLD DOUT_3STATE
3591 1 Figure 6. Serial Timing Diagram Rev. 0 | Page 9 of 50 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Universal Timing Specifications Parallel Mode Timing Specifications Serial Mode Timing Specifications ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CONVERTER DETAILS ANALOG INPUT Analog Input Channel Selection Analog Input Ranges Analog Input Impedance Analog Input Clamp Protection Analog Input Antialiasing Filter ADC TRANSFER FUNCTION INTERNAL/EXTERNAL REFERENCE SHUTDOWN MODE DIGITAL FILTER APPLICATIONS INFORMATION FUNCTIONALITY OVERVIEW POWER SUPPLIES TYPICAL CONNECTIONS DEVICE CONFIGURATION OPERATIONAL MODE INTERNAL/EXTERNAL REFERENCE DIGITAL INTERFACE HARDWARE MODE SOFTWARE MODE RESET FUNCTIONALITY PIN FUNCTION OVERVIEW DIGITAL INTERFACE CHANNEL SELECTION Hardware Mode Software Mode PARALLEL INTERFACE Reading Conversion Results Writing Register Data Reading Register Data SERIAL INTERFACE Reading Conversion Results Writing Register Data Reading Register Data SEQUENCER HARDWARE MODE SEQUENCER SOFTWARE MODE SEQUENCER BURST SEQUENCER Hardware Mode Burst Software Mode Burst DIAGNOSTICS DIAGNOSTIC CHANNELS INTERFACE SELF TEST CRC REGISTER SUMMARY ADDRESSING REGISTERS CONFIGURATION REGISTER CHANNEL REGISTER INPUT RANGE REGISTERS INPUT RANGE REGISTER A1 INPUT RANGE REGISTER A2 INPUT RANGE REGISTER B1 INPUT RANGE REGISTER B2 SEQUENCER STACK REGISTERS STATUS REGISTER OUTLINE DIMENSIONS ORDERING GUIDE