link to page 9 AD7767ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 4. Stresses above those listed under Absolute Maximum Ratings Parameter Rating may cause permanent damage to the device. This is a stress AVDD to AGND −0.3 V to +3 V rating only; functional operation of the device at these or any DVDD to DGND −0.3 V to +3 V other conditions above those indicated in the operational AVDD to DVDD −0.3 V to +0.3 V section of this specification is not implied. Exposure to absolute VREF+ to REFGND −0.3 V to +7 V maximum rating conditions for extended periods may affect REFGND to AGND −0.3 V to +0.3 V device reliability. VDRIVE to DGND −0.3 V to +6 V VIN+, VIN– to AGND −0.3 V to VREF+ + 0.3 V ESD CAUTION Digital Inputs to DGND −0.3 V to VDRIVE + 0.3 V Digital Outputs to DGND −0.3 V to VDRIVE + 0.3 V AGND to DGND −0.3 V to +0.3 V Input Current to Any Pin Except ±10 mA Supplies1 Operating Temperature Range −40°C to +105°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C TSSOP Package θJA Thermal Impedance 150.4°C/W θJC Thermal Impedance 27.6°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 1 kV 1 Transient currents of up to 100 mA do not cause SCR latch-up. Rev. C | Page 8 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION RELATED DEVICES TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION AD7767/AD7767-1/AD7767-2 TRANSFER FUNCTION CONVERTER OPERATION ANALOG INPUT STRUCTURE SUPPLY AND REFERENCE VOLTAGES AD7767 INTERFACE INITIAL POWER-UP READING DATA POWER-DOWN, RESET, AND SYNCHRONIZATION DAISY CHAINING READING DATA IN DAISY-CHAIN MODE CHOOSING THE SCLK FREQUENCY DAISY-CHAIN MODE CONFIGURATION AND TIMING DIAGRAMS DRIVING THE AD7767 DIFFERENTIAL SIGNAL SOURCE SINGLE-ENDED SIGNAL SOURCE ANTIALIASING POWER DISSIPATION VREF+ INPUT SIGNAL MULTIPLEXING ANALOG INPUT CHANNELS OUTLINE DIMENSIONS ORDERING GUIDE
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