Datasheet AD7980 (Analog Devices) - 5

AD7980 Data Sheet
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = –40°C to +125°C, unless otherwise noted.
Table 3. Parameter Conditions Min Typ Max Unit
REFERENCE Voltage Range 2.4 5.1 V Load Current 1 MSPS, REF = 5 V 330 µA SAMPLING DYNAMICS −3 dB Input Bandwidth 10 MHz Aperture Delay VDD = 2.5 V 2.0 ns DIGITAL INPUTS Logic Levels VIL VIO > 3V –0.3 0.3 × VIO V VIH VIO > 3V 0.7 × VIO VIO + 0.3 V VIL VIO ≤ 3V –0.3 0.1 × VIO VIH VIO ≤ 3V 0.9 × VIO VIO + 0.3 µA IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS Data Format Serial 16 bits straight binary Pipeline Delay Conversion results available immediately after completed conversion VOL ISINK = 500 µA 0.4 V VOH ISOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES VDD 2.375 2.5 2.625 V VIO Specified performance 2.3 5.5 V VIO Range 1.8 5.5 V Standby Current1, 2 VDD and VIO = 2.5 V, 25°C 0.35 μA Power Dissipation VDD = 2.625 V, VREF = 5 V, VIO = 3 V Total 10 kSPS throughput 70 µW 1 MSPS throughput, B Grade 7.0 9.0 mW 1 MSPS throughput, A Grade 7.0 10 mW VDD Only 4 mW REF Only 1.7 mW VIO Only 1.3 mW Energy per Conversion 7.0 nJ/sample TEMPERATURE RANGE3 Specified Performance TMIN to TMAX −40 +125 °C 1 With all digital inputs forced to VIO or GND as required. 2 During the acquisition phase. 3 Contact sales for extended temperature range. Rev. D | Page 4 of 28 Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM EXAMPLE GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUT DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE MODE, 3-CS WIRE, WITHOUT BUSY INDICATOR CS MODE 3-WIRE WITH BUSY INDICATOR CS MODE 4-WIRE, WITHOUT BUSY INDICATOR CS MODE 4-WIRE WITH BUSY INDICATOR CS CHAIN MODE, WITHOUT BUSY INDICATOR CS CHAIN MODE WITH BUSY INDICATOR APPLICATION HINTS LAYOUT EVALUATING THE PERFORMANCE OF THE AD7980 OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES