Datasheet AD7605-4 (Analog Devices) - 5

AD7605-4 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
ANALOG INPUT Input Voltage Range RANGE = 1 ±10 V RANGE = 0 ±5 V Analog Input Current Input voltage (VIN) = 10 V 9 µA VIN = 5 V 2.5 µA Input Capacitance 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 Capacitance REF SELECT = 1 7.5 pF Reference Output Voltage REFIN/REFOUT 2.49 to V 2.505 Reference Temperature Coefficient ±10 ppm/°C LOGIC INPUTS Input Voltage High (VINH) 0.7 × VDRIVE V Low (VINL) 0.3 × VDRIVE V Input Current (IIN) ±2 µA Input Capacitance (CIN) 5 pF LOGIC OUTPUTS Output Voltage High (VOH) ISOURCE = 100 µA VDRIVE − 0.2 V Low (VOL) ISINK = 100 µA 0.2 V Floating State Leakage Current ±1 ±20 µA Output Capacitance 5 pF Output Coding Twos complement 16 Bits CONVERSION RATE Conversion Time All four channels included 2 µs Track-and-Hold Acquisition Time 1 µs Throughput Rate Per channel, all four channels included 300 kSPS POWER REQUIREMENTS AVCC 4.75 5 5.25 V VDRIVE 2.5 V to 5 V nominal 2.3 5.25 V Total Current, ITOTAL Digital inputs = 0 V or VDRIVE Normal Mode Static 10 12 mA Operational fSAMPLE = 300 kSPS 12 15.2 mA Standby Mode 5 8 mA Shutdown Mode 2 6 µA Power Dissipation Normal Mode Static 52 61 mW Operational fSAMPLE = 300 kSPS 71 80 mW Standby Mode 25 42 mW Shutdown Mode 10 31.5 µW 1 LSB means least significant bit. With a ±5 V input range, 1 LSB = 152.58 µV. With a ±10 V input range, 1 LSB = 305.175 µV. Rev. 0 | Page 4 of 27 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY 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 TYPICAL CONNECTION DIAGRAM POWER-DOWN MODES CONVERSION CONTROL Simultaneous Sampling on All Analog Input Channels Simultaneously Sampling Two Sets of Channels APPLICATIONS INFORMATION PARALLEL INTERFACE (/SER/BYTE SEL = 0) PARALLEL BYTE (/SER/BYTE SEL = 1, DB15/BYTE SEL = 1) SERIAL INTERFACE (/SER/BYTE SEL = 1) READING DURING CONVERSION LAYOUT GUIDELINES OUTLINE DIMENSIONS ORDERING GUIDE