RT2378-20 absoluTe MaxiMuM raTings (Notes 1, 2) Supply Voltage (VDD) ...2.8V Digital Output Voltage Supply Voltage (OVDD) ..6V (Note 3) ... (GND –0.3V) to (OVDD + 0.3V) Reference Input (REF) ...6V Operating Temperature Range Analog Input Voltage (Note 3) RT2378I ...–40°C to 85°C IN+, IN– ... (GND –0.3V) to (REF + 0.3V) Storage Temperature Range .. –65°C to 150°C REF/DGC Input (Note 3) .. (GND –0.3V) to (REF + 0.3V) Digital Input Voltage (Note 3) ... (GND –0.3V) to (OVDD + 0.3V) pin conFiguraTion TOP VIEW CHAIN 1 16 GND VDD 2 15 OVDD GND 3 14 SDO IN+ 4 13 SCK IN– 5 12 RDL/SDI GND 6 11 BUSY REF 7 10 GND REF/DGC 8 9 CNV MS PACKAGE 16-LEAD PLASTIC MSOP TJMAX = 150°C, θJA = 98°C/W orDer inForMaTionLEAD FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE RT2378IMS-20 RT2378IMS-20#TR 237820 16-Lead Plastic MSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. e lecTrical characTerisTics The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. (Note 4)SYMBOLPARAMETERCONDITIONSSUB GROUPMINTYPMAXUNITS VIN+ Absolute Input Range (IN+) (Note 5) l 1, 2, 3 –0.1 VREF + 0.1 V VIN– Absolute Input Range (IN–) (Note 5) l 1, 2, 3 –0.1 VREF + 0.1 V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l 1, 2, 3 –VREF +VREF V VCM Common-Mode Input Range l 1, 2, 3 VREF/2– VREF/2 VREF/2+ V 0.1 0.1 IIN Analog Input Leakage Current 0.01 µA CIN Analog Input Capacitance Sample Mode 45 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio fIN = 500kHz 86 dB rt237820fa 2 For more information www.linear.com Document Outline Features Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics