Datasheet AD7781 (Analog Devices) - 7

AD7781 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
THERMAL RESISTANCE Table 4.
θJA is specified for the worst-case conditions, that is, a device soldered in a circuit board for surface-mount packages.
Parameter Rating
AVDD to GND −0.3 V to +7 V
Table 5.
DVDD to GND −0.3 V to +7 V
Package Type θJA θJC Unit
Analog Input Voltage to GND −0.3 V to AVDD + 0.3 V 14-Lead SOIC 104.5 42.9 °C/W Reference Input Voltage to GND −0.3 V to AVDD + 0.3 V 16-Lead TSSOP 150.4 27.6 °C/W Digital Input Voltage to GND −0.3 V to DVDD + 0.3 V Digital Output Voltage to GND −0.3 V to DVDD + 0.3 V
ESD CAUTION
AIN/Digital Input Current 10 mA Operating Temperature Range −40°C to +105°C Storage Temperature Range −65°C to +150°C Maximum Junction Temperature 150°C Lead Temperature, Soldering Reflow 260°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Rev. 0 | Page 6 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Circuit and Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTPUT NOISE AND RESOLUTION THEORY OF OPERATION FILTER, DATA RATE, AND SETTLING TIME GAIN POWER-DOWN/RESET (PDRST) ANALOG INPUT CHANNEL BIPOLAR CONFIGURATION DATA OUTPUT CODING REFERENCE BRIDGE POWER-DOWN SWITCH DIGITAL INTERFACE APPLICATIONS INFORMATION WEIGH SCALES AD7781 PERFORMANCE IN A WEIGH SCALE SYSTEM EMI RECOMMENDATIONS GROUNDING AND LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE