AD7691-EPEnhanced Product VDD = 2.3 V to 5.25 V, VIO = 2.3 V to VDD, VREF = VDD, al specifications TMIN to TMAX, unless otherwise noted. Table 2. ParameterTest Conditions/CommentsMinTypMaxUnit REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 250 kSPS, REF = 5 V 60 µA SAMPLING DYNAMICS −3 dB Input Bandwidth 2 MHz Aperture Delay VDD = 5 V 2.5 ns DIGITAL INPUTS Logic Levels VIL −0.3 +0.3 × VIO V VIH 0.7 × VIO VIO + 0.3 V IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS Data Format Serial 18-bit, twos complement Pipeline Delay1 VOL ISINK = +500 µA 0.4 V VOH ISOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES VDD Range Specified performance 2.3 5.25 V VIO Range Specified performance 2.3 VDD + 0.3 V VIO Range Functional operation 1.8 VDD + 0.3 V Standby Current2, 3 VDD and VIO = 5 V, TA = 25°C 1 50 nA Power Dissipation VDD = 2.5 V, 100 SPS throughput 1.4 µW VDD = 2.5 V, 100 kSPS throughput 1.35 mW VDD = 2.5 V, 180 kSPS throughput 2.4 mW VDD = 5 V, 100 kSPS throughput 4.24 5 mW VDD = 5 V, 250 kSPS throughput 10.6 12.5 mW Energy per Conversion 50 nJ/sample TEMPERATURE RANGE4 Specified Performance TMIN to TMAX −55 +105 °C 1 Conversion results are available immediately after completed conversion. 2 With all digital inputs forced to VIO or GND as required. 3 During acquisition phase. 4 Contact an Analog Devices, Inc., sales representative for the extended temperature range. Rev. A | Page 4 of 13 Document Outline Features Enhanced Product Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide