Datasheet AD7327-EP (Analog Devices) - 5

ManufacturerAnalog Devices
Description500 kSPS, 8-Channel, Software Selectable True bipolar Input, 12-Bit Plus Sign A/D Converter
Pages / Page14 / 5 — Enhanced Product. AD7327-EP. Parameter1. Min. Typ. Max. Unit. Test …
RevisionC
File Format / SizePDF / 401 Kb
Document LanguageEnglish

Enhanced Product. AD7327-EP. Parameter1. Min. Typ. Max. Unit. Test Conditions/Comments

Enhanced Product AD7327-EP Parameter1 Min Typ Max Unit Test Conditions/Comments

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Enhanced Product AD7327-EP Parameter1 Min Typ Max Unit Test Conditions/Comments
DC Leakage Current ±80 nA VIN = VDD or VSS 3 nA Per input channel, VIN = VDD or VSS Input Capacitance3 13.5 pF When in track, ±10 V range 16.5 pF When in track, ±5 V and 0 V to +10 V ranges 21.5 pF When in track, ±2.5 V range 3 pF When in hold, all ranges REFERENCE INPUT/OUTPUT Input Voltage Range 2.5 3 V Input DC Leakage Current ±1 µA Input Capacitance 10 pF Reference Output Voltage 2.5 V Reference Output Voltage Error ±5 mV at 25°C Reference Output Voltage ±10 mV TMIN to TMAX Reference Temperature 25 ppm/°C Coefficient 3 ppm/°C Reference Output Impedance 7 Ω LOGIC INPUTS Input High Voltage, VINH 2.4 V Input Low Voltage, VINL 0.8 V VCC = 4.75 V to 5.25 V 0.4 V VCC = 2.7 to 3.6 V Input Current, IIN ±1 µA VIN = 0 V or VDRIVE Input Capacitance, C 3 IN 10 pF LOGIC OUTPUTS Output High Voltage, VOH VDRIVE − V ISOURCE = 200 µA 0.2 V Output Low Voltage, VOL 0.4 V ISINK = 200 µA Floating-State Leakage Current ±1 µA Floating-State Output 5 pF Capacitance3 Output Coding Straight natural binary Coding bit set to 1 in control register Twos complement Coding bit set to 0 in control register CONVERSION RATE Conversion Time 1.6 µs 16 SCLK cycles with SCLK = 10 MHz Track-and-Hold Acquisition 305 ns Full-scale step input Time2, 3 Throughput Rate 500 kSPS POWER REQUIREMENTS Digital inputs = 0 V or VDRIVE V 2 DD 12 16.5 V V 2 SS −12 −16.5 V V 2 CC 2.7 5.25 V VDRIVE 2.7 5.25 V Normal Mode (Static) 0.9 mA VDD/VSS = ±16.5 V, VCC/VDRIVE = 5.25 V Normal Mode (Operational) fSAMPLE = 500 kSPS IDD 195 µA VDD = 16.5 V ISS 215 µA VSS = −16.5 V ICC and IDRIVE 2.3 mA VCC/VDRIVE = 5.25 V Autostandby Mode (Dynamic) fSAMPLE = 250 kSPS IDD 100 µA VDD = 16.5 V ISS 110 µA VSS = −16.5 V ICC and IDRIVE 0.87 mA VCC/VDRIVE = 5.25 V Rev. C | Page 5 of 14 Document Outline FEATURES ENHANCED PRODUCT FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE