LTC2370-16 REFERENCE INPUTThe l denotes the specifications which apply over the full operating temperature range, otherwisespecifications are at TA = 25°C. (Note 4)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VREF Reference Voltage (Note 5) l 2.5 5.1 V IREF Reference Input Current (Note 9) l 1.1 1.3 mA DIGITAL INPUTS AND DIGITAL OUTPUTSThe l denotes the specifications which apply over thefull operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETERCONDITIONSMINTYPMAXUNITS VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = –500µA l OVDD – 0.2 V VOL Low Level Output Voltage IO = 500µA l 0.2 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 µA ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = OVDD 10 mA POWER REQUIREMENTSThe l denotes the specifications which apply over the full operating temperaturerange, otherwise specifications are at TA = 25°C. (Note 4)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VDD Supply Voltage l 2.375 2.5 2.625 V OVDD Supply Voltage l 1.71 5.25 V IVDD Supply Current 2Msps Sample Rate l 7.5 8.8 mA IOVDD Supply Current 2Msps Sample Rate (CL = 20pF) 0.9 mA IPD Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V) l 0.9 90 µA IPD Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V, H-Grade) l 0.9 140 µA PD Power Dissipation 2Msps Sample Rate 19 22 mW Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V) 2.25 225 µW Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V, H-Grade) 2.25 315 µW ADC TIMING CHARACTERISTICSThe l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. (Note 4)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS fSMPL Maximum Sampling Frequency l 2 Msps tCONV Conversion Time l 278 322 ns tACQ Acquisition Time tACQ = tCYC – tCONV – tBUSYLH (Note 10) l 165 ns tCYC Time Between Conversions l 500 ns tCNVH CNV High Time l 20 ns tBUSYLH CNV↑ to BUSY Delay CL = 20pF l 13 ns tCNVL Minimum Low Time for CNV (Note 11) l 20 ns tQUIET SCK Quiet Time from CNV↑ (Note 10) l 10 ns tSCK SCK Period (Notes 11, 12) l 10 ns tSCKH SCK High Time l 4 ns 237016fa 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Package Description Revision History Typical Application Related Parts
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