Datasheet AD7683 (Analog Devices) - 4

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Data Sheet AD7683 SPECIFICATIONS
VDD = 2.7 V to 5.5 V; VREF = VDD; TA = –40°C to +85°C, unless otherwise noted.
Table 2. AD7683 A ll Grades Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range +IN − (–IN) 0 VREF V Absolute Input Voltage +IN −0.1 VDD + 0.1 V −IN −0.1 0.1 V Analog Input CMRR fIN = 100 kHz 65 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Input section THROUGHPUT SPEED Complete Cycle 10 µs Throughput Rate 0 100 kSPS DCLOCK Frequency 0 2.9 MHz REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 100 kSPS, V+IN − V−IN = VREF/2 = 2.5 V 50 µA DIGITAL INPUTS Logic Levels VIL −0.3 0.3 × VDD V VIH 0.7 × VDD VDD + 0.3 V IIL −1 +1 µA IIH −1 +1 µA Input Capacitance 5 pF DIGITAL OUTPUTS Data Format Serial, 16 bits straight binary VOH ISOURCE = −500 µA VDD − 0.3 V VOL ISINK = +500 µA 0.4 V POWER SUPPLIES VDD Specified performance 2.7 5.5 V VDD Range1 2.0 5.5 V Operating Current 100 kSPS throughput VDD VDD = 5 V 800 µA VDD = 2.7 V 560 µA Standby Current2, 3 VDD = 5 V, 25°C 1 50 nA Power Dissipation VDD = 5 V 4 6 mW VDD = 2.7 V 1.5 mW VDD = 2.7 V, 10 kSPS throughput2 150 µW TEMPERATURE RANGE Specified Performance TMIN to TMAX −40 +85 °C 1 See the Typical Performance Characteristics section for more information. 2 With all digital inputs forced to VDD or GND, as required. 3 During acquisition phase. Rev. B | Page 3 of 16 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing and Circuit Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Terminology Typical Performance Characteristics Applications Information Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Voltage Reference Input Power Supply Digital Interface Layout Evaluating the AD7683 Performance Outline Dimensions Ordering Guide