Datasheet AD7609 (Analog Devices) - 6

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Data Sheet AD7609 Parameter Test Conditions/Comments Min Typ Max Unit
ANALOG INPUT Differential Input Voltage Ranges VIN = Vx+ − (Vx−) RANGE = 1; ±10 V −20 +20 V RANGE = 0; ±5 V −10 +10 V Absolute Voltage Input ±10 V range, see the Analog Input Clamp −10 +10 V Protection section ±5 V range, see the Analog Input Clamp −5 +5 V Protection section Common-Mode Input Range −4 ±5 +4 V CMRR −70 dB Analog Input Current 10 V, see Figure 28 5.4 µA 5 V, see Figure 28 2.5 µA Input Capacitance7 5 pF Input Impedance 1 MΩ REFERENCE INPUT/OUTPUT Reference Input Voltage Range 2.475 2.5 2.525 V DC Leakage Current ±1 µA Input Capacitance7 REF SELECT = 1 7.5 pF Reference Output Voltage REFIN/REFOUT 2.49/ V 2.505 Reference Temperature Coefficient ±10 ppm/°C LOGIC INPUTS Input High Voltage (VINH) 0.7 × VDRIVE V Input Low Voltage (VINL) 0.3 × VDRIVE V Input Current (IIN) ±2 µA Input Capacitance (CIN)7 5 pF LOGIC OUTPUTS Output High Voltage (VOH) ISOURCE = 100 µA VDRIVE − 0.2 V Output Low Voltage (VOL) ISINK = 100 µA 0.2 V Floating-State Leakage Current ±1 ±20 µA Floating-State Output Capacitance7 5 pF Output Coding Twos complement CONVERSION RATE Conversion Time All eight channels included 4 µs Track-and-Hold Acquisition Time 1 µs Throughput Rate Per channel, all eight channels included 200 kSPS POWER REQUIREMENTS AVCC 4.75 5.25 V VDRIVE 2.3 5.25 V ITOTAL Digital inputs = 0 V or VDRIVE Normal Mode (Static) 16 22 mA Normal Mode (Operational)8 fSAMPLE = 200 kSPS 20 28.5 mA Standby Mode 5 8 mA Shutdown Mode 2 11 µA Rev. B | Page 5 of 36 Document Outline Features Applications Companion Products Functional Block Diagram Table of Contents Revision History General Description Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Converter Details Analog Input Analog Input Ranges Analog Input Impedance Analog Input Clamp Protection Analog Input Antialiasing Filter Track-and-Hold Amplifiers ADC Transfer Function Internal/External Reference External Reference Mode Internal Reference Mode Typical Connection Diagram Power-Down Modes Conversion Control Simultaneous Sampling on All Analog Input Channels Simultaneously Sampling Two Sets of Channels Digital Interface Parallel Interface (/PAR/SER SEL = 0) Serial Interface (/PAR/SER SEL = 1) Reading During Conversion Digital Filter Layout Guidelines Outline Dimensions Ordering Guide