Datasheet ADAQ7980, ADAQ7988 (Analog Devices) - 6

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ADAQ7980/ADAQ7988 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
ADAQ7980 Power Dissipation 1 MSPS V+/V−/VDD 20 36 mW 1 kSPS, dynamic power scaling enabled3 5.8 9 mW VIO 1.0 1.9 mW Total 21 37.94 mW ADAQ7988 Current Draw VIO 0.15 0.17 mA V+/V− 1.35 1.85 mA VDD 0.73 0.8 mA ADAQ7988 Power Dissipation 500 kSPS V+/V−/VDD 16 26.5 mW 1 kSPS, dynamic power scaling enabled3 5.8 9 mW VIO 0.5 0.95 mW Total 16.5 27.54 mW TEMPERATURE RANGE Specified Performance TMIN to TMAX −55 +125 °C 1 With all digital inputs forced to VIO or GND as required. 2 During the acquisition phase. 3 Dynamic power scaling duty cycle is 10%. 4 Calculated with the maximum supply differential and not the typical supply values. Rev. A | Page 6 of 49 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DUAL-SUPPLY CONFIGURATION SINGLE-SUPPLY CONFIGURATION TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ADC DRIVER INPUT INPUT PROTECTION NOISE CONSIDERATIONS AND SIGNAL SETTLING OPERATION DYNAMIC POWER SCALING (DPS) SLEW ENHANCEMENT EFFECT OF FEEDBACK RESISTOR ON FREQUENCY RESPONSE VOLTAGE REFERENCE INPUT POWER SUPPLY LDO REGULATOR CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION LDO REGULATOR THERMAL CONSIDERATIONS DIGITAL INTERFACE 3-WIRE MODE WITHOUT THE BUSY INDICATOR 3-WIRE MODE WITH THE BUSY INDICATOR 4-WIRE MODE WITHOUT THE BUSY INDICATOR 4-WIRE MODE WITH THE BUSY INDICATOR CHAIN MODE WITHOUT THE BUSY INDICATOR CHAIN MODE WITH THE BUSY INDICATOR APPLICATION CIRCUITS NONUNITY GAIN CONFIGURATIONS INVERTING CONFIGURATION WITH LEVEL SHIFT USING THE ADAQ7980/ADAQ7988 WITH ACTIVE FILTERS APPLICATIONS INFORMATION LAYOUT EVALUATING THE PERFORMANCE OF THE ADAQ7980/ADAQ7988 OUTLINE DIMENSIONS ORDERING GUIDE