LTC2372-16 absoluTe MaxiMuM raTingspin conFiguraTion(Notes 1, 2) Supply Voltage (VDD) ... 6V TOP VIEW Supply Voltage (OVDD) ... 6V Analog Input Voltage (Note 3) DD CH1 CH0 COM V DD V DDLBYP GND GND OV CH0 to CH7, COM .. (GND – 0.3V) to (VDD + 0.3V) 32 31 30 29 28 27 26 25 REFBUF ... (GND – 0.3V) to (VDD + 0.3V) CH2 1 24 RESET REFIN .. 2.8V CH3 2 23 GND Digital Input Voltage MUXOUT+ 3 22 SDO (Note 3) ...(GND –0.3V) to (OV ADCIN+ 4 SCK DD + 0.3V) 33 21 ADCIN– 5 20 SDI Digital Output Voltage MUXOUT– 6 19 BUSY (Note 3) ...(GND –0.3V) to (OVDD + 0.3V) CH4 7 18 RDL Power Dissipation .. 500mW CH5 8 17 GND Operating Temperature Range 9 10 11 12 13 14 15 16 LTC2372C ..0°C to 70°C CH6 CH7 GND LTC2372I ...–40°C to 85°C REFIN GND GND CNV REFBUF LTC2372H ..–40°C to 125°C UH PACKAGE Storage Temperature Range ..–65°C to 150°C 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 44°C/W EXPOSED PAD IS GND (PIN 33) MUST BE SOLDERED TO PCB orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC2372CUH-16#PBF LTC2372CUH-16#TRPBF 237216 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2372IUH-16#PBF LTC2372IUH-16#TRPBF 237216 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC2372HUH-16#PBF LTC2372HUH-16#TRPBF 237216 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on nonstandard lead based finish parts. 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/ 237216f 2 For more information www.linear.com/LTC2372-16 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Schematics Package Description Typical Application Related Parts