Datasheet AD7715 (Analog Devices) - 10

Data Sheet AD7715 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted. Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a
Table 5.
stress rating only; functional operation of the product at these
Parameter Rating
or any other conditions above those indicated in the operational AVDD to AGND −0.3 V to +7 V section of this specification is not implied. Operation beyond AVDD to DGND −0.3 V to +7 V the maximum operating conditions for extended periods may AVDD to DVDD −0.3 V to +7 V affect product reliability. DVDD to AGND −0.3 V to +7 V DVDD to DGND −0.3 V to +7 V DGND to AGND −0.3 V to +7 V
ESD CAUTION
Analog Input Voltage to AGND −0.3 V to AVDD + 0.3 V Reference Input Voltage to AGND −0.3 V to AVDD + 0.3 V Digital Input Voltage to DGND −0.3 V to DVDD + 0.3 V Digital Output Voltage to DGND −0.3 V to DVDD + 0.3 V Operating Temperature Range Commercial (A Version) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C Plastic DIP Package, Power Dissipation 450 mW θJA Thermal Impedance 105°C/W Lead Temperature, (Soldering, 10 sec) 260°C SOIC Package, Power Dissipation 450 mW θJA Thermal Impedance 75°C/W Lead Temperature, Reflow Soldering 260°C TSSOP Package, Power Dissipation 450 mW θJA Thermal Impedance 128°C/W Lead Temperature, Reflow Soldering +260°C Power Dissipation (Any Package) to +75°C 450 mW ESD Rating >4000 V Rev. E | Page 9 of 40 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7715-5 AD7715-3 TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY ON-CHIP REGISTERS COMMUNICATIONS REGISTER (RS1, RS0 = 0, 0) SETUP REGISTER (RS1, RS0 = 0, 1); POWER ON/RESET STATUS: 28 HEX TEST REGISTER (RS1, RS0 = 1, 0) DATA REGISTER (RS1, RS0 = 1, 1) OUTPUT NOISE AD7715-5 AD7715-3 CALIBRATION SEQUENCES CIRCUIT DESCRIPTION ANALOG INPUT Analog Input Ranges Input Sample Rate Bipolar/Unipolar Inputs REFERENCE INPUT DIGITAL FILTERING Filter Characteristics Post-Filtering ANALOG FILTERING CALIBRATION Self-Calibration System Calibration Span and Offset Limits Power-Up and Calibration USING THE AD7715 CLOCKING AND OSCILLATOR CIRCUIT SYSTEM SYNCHRONIZATION RESET INPUT STANDBY MODE ACCURACY DRIFT CONSIDERATIONS POWER SUPPLIES Supply Current Grounding and Layout Evaluating the AD7715 Performance DIGITAL INTERFACE CONFIGURING THE AD7715 MICROCONTROLLER/MICROPROCESSOR INTERFACING AD7715 TO 68HC11 INTERFACE AD7715 TO 8XC51 INTERFACE AD7715 TO ADSP-2184N/ADSP-2185N/ ADSP-2186N/ADSP-2187N/ADSP-2188N/ ADSP-2189N INTERFACE CODE FOR SETTING UP THE AD7715 C CODE FOR INTERFACING AD7715 TO 68HC11 APPLICATIONS INFORMATION PRESSURE MEASUREMENT TEMPERATURE MEASUREMENT SMART TRANSMITTERS OUTLINE DIMENSIONS ORDERING GUIDE