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Datasheet AD7794, AD7795 (Analog Devices) - 10

ПроизводительAnalog Devices
Описание6-Channel, Low Noise, Low Power, 16-Bit Sigma Delta ADC with On-Chip In-Amp and Reference
Страниц / Страница36 / 10 — AD7794/AD7795. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter. Rating. ESD …
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Язык документаанглийский

AD7794/AD7795. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter. Rating. ESD CAUTION

AD7794/AD7795 ABSOLUTE MAXIMUM RATINGS Table 3 Parameter Rating ESD CAUTION

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AD7794/AD7795 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
Table 3.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those listed in the operational sections AVDD to GND −0.3 V to +7 V of this specification is not implied. Exposure to absolute DVDD to GND −0.3 V to +7 V maximum rating conditions for extended periods may affect Analog Input Voltage to GND −0.3 V to AVDD + 0.3 V device reliability. Reference Input Voltage to GND −0.3 V to AVDD + 0.3 V Digital Input Voltage to GND −0.3 V to DV DD + 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 B Grade −40°C to +105°C C Grade −40°C to +125°C Storage Temperature Range −65°C to +150°C Maximum Junction Temperature 150°C TSSOP θJA Thermal Impedance 97.9°C/W θJC Thermal Impedance 14°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Rev. D | Page 10 of 36 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS RMS NOISE AND RESOLUTION SPECIFICATIONS CHOP ENABLED External Reference Internal Reference CHOP DISABLED TYPICAL PERFORMANCE CHARACTERISTICS ON-CHIP REGISTERS COMMUNICATIONS REGISTER RS2, RS1, RS0 = 0, 0, 0 STATUS REGISTER RS2, RS1, RS0 = 0, 0, 0; Power-On/Reset = 0x80 (AD7795)/0x88 (AD7794) MODE REGISTER RS2, RS1, RS0 = 0, 0, 1; Power-On/Reset = 0x000A CONFIGURATION REGISTER RS2, RS1, RS0 = 0, 1, 0; Power-On/Reset = 0x0710 DATA REGISTER RS2, RS1, RS0 = 0, 1, 1; Power-On/Reset = 0x0000(AD7795), 0x000000 (AD7794) ID REGISTER RS2, RS1, RS0 = 1, 0, 0; Power-On/Reset = 0xXF IO REGISTER RS2, RS1, RS0 = 1, 0, 1; Power-On/Reset = 0x00 OFFSET REGISTER RS2, RS1, RS0 = 1, 1, 0; Power-On/Reset = 0x8000 (AD7795), 0x800000 (AD7794)) FULL-SCALE REGISTER RS2, RS1, RS0 = 1, 1, 1; Power-On/Reset = 0x5XXX (AD7795), 0x5XXX00 (AD7794) ADC CIRCUIT INFORMATION OVERVIEW DIGITAL INTERFACE Single Conversion Mode Continuous Conversion Mode Continuous Read CIRCUIT DESCRIPTION ANALOG INPUT CHANNEL INSTRUMENTATION AMPLIFIER BIPOLAR/UNIPOLAR CONFIGURATION DATA OUTPUT CODING BURNOUT CURRENTS EXCITATION CURRENTS BIAS VOLTAGE GENERATOR REFERENCE REFERENCE DETECT RESET AVDD MONITOR CALIBRATION GROUNDING AND LAYOUT APPLICATIONS INFORMATION FLOWMETER OUTLINE DIMENSIONS ORDERING GUIDE
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