link to page 20 link to page 20 link to page 22 link to page 23 link to page 7 link to page 6 link to page 6 link to page 6 link to page 6 link to page 6 Data SheetAD7606/AD7606-6/AD7606-4ParameterTest Conditions/CommentsMinTypMaxUnit ANALOG INPUT Input Voltage Ranges RANGE = 1 ±10 V RANGE = 0 ±5 V Analog Input Current 10 V; see Figure 31 5.4 µA 5 V; see Figure 31 2.5 µA Input Capacitance7 5 pF Input Impedance See the Analog Input section 1 MΩ REFERENCE INPUT/OUTPUT Reference Input Voltage Range See the ADC Transfer Function section 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; see Table 3 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) AD7606 16 22 mA AD7606-6 14 20 mA AD7606-4 12 17 mA Normal Mode (Operational)8 fSAMPLE = 200 kSPS AD7606 20 27 mA AD7606-6 18 24 mA AD7606-4 15 21 mA Standby Mode 5 8 mA Shutdown Mode 2 6 µA Rev. C | Page 5 of 36 Document Outline Features Applications Functional Block Diagram Revision History General Description Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations 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 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/BYTE SEL = 0) Parallel Byte (PAR/SER/BYTE SEL = 1, DB15 = 1) Serial Interface (PAR/SER/BYTE SEL = 1) Reading During Conversion Digital Filter Layout Guidelines Outline Dimensions Ordering Guide