Datasheet AD7788, AD7789 (Analog Devices) - 7

Data Sheet AD7788/AD7789 TIMING DIAGRAMS ISINK (1.6mA WITH VDD = 5V, 100µA WITH VDD = 3V) TO OUTPUT 1.6V PIN 50pF
002
ISOURCE (200µA WITH VDD = 5V, 100µA WITH VDD = 3V)
03539- Figure 2. Load Circuit for Timing Characterization
CS (I) t6 t1 t5 DOUT/RDY (O) MSB LSB t t7 2 t3 SCLK (I) t4 I = INPUT, O = OUTPUT
03539-003 Figure 3. Read Cycle Timing Diagram
CS (I) t t 8 11 SCLK (I) t9 t10 DIN (I) MSB LSB I = INPUT, O = OUTPUT
03539-004 Figure 4. Write Cycle Timing Diagram Rev. C | Page 7 of 20 Document Outline FEATURES INTERFACE APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS SPECIFICATIONS AD7789 AD7788 AD7788/AD7789 TIMING CHARACTERISTICS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS ON-CHIP REGISTERS COMMUNICATIONS REGISTER (RS1, RS0 = 0, 0) STATUS REGISTER (RS1, RS0 = 0, 0; Power-On/Reset = 0x88 for AD7788 and 0x8C for AD7789) MODE REGISTER (RS1, RS0 = 0, 1; Power-On/Reset = 0x02) DATA REGISTER (RS1, RS0 = 1, 1; Power-On/Reset = 0x0000 for the AD7788 and 0x000000 for the AD7789) ADC CIRCUIT INFORMATION NOISE PERFORMANCE DIGITAL INTERFACE Single Conversion Mode Continuous Conversion Mode Continuous Read Mode CIRCUIT DESCRIPTION ANALOG INPUT CHANNEL BIPOLAR/UNIPOLAR CONFIGURATION DATA OUTPUT CODING REFERENCE INPUT VDD MONITOR GROUNDING AND LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE NOTES