LTC2497 absoluTe MaxiMuM raTingspin conFiguraTion(Notes 1, 2) Supply Voltage (V TOP VIEW CC) ... –0.3V to 6V Analog Input Voltage CA2 CA1 CA0 f O GND GND GND (CH0-CH15, COM) ...–0.3V to (V 38 37 36 35 34 33 32 CC + 0.3V) REF+, REF– ..–0.3V to (V GND 1 31 GND CC + 0.3V) SCL 2 30 REF– ADCINN, ADCINP, SDA 3 29 REF+ MUXOUTP MUXOUTN ..–0.3V to (VCC + 0.3V) GND 4 28 VCC Digital Input Voltage..–0.3V to (VCC + 0.3V) NC 5 27 MUXOUTN Digital Output Voltage ...–0.3V to (VCC + 0.3V) GND 6 26 ADCINN 39 Operating Temperature Range COM 7 25 ADCINP LTC2497C ...0ºC to 70ºC CH0 8 24 MUXOUTP LTC2497I ... –40ºC to 85ºC CH1 9 23 CH15 CH2 10 22 CH14 Storage Temperature Range ...–65ºC to 150ºC CH3 11 21 CH13 CH4 12 20 CH12 13 14 15 16 17 18 19 CH5 CH6 CH7 CH8 CH9 CH10 CH11 UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC2497CUHF#PBF LTC2497CUHF#TRPBF 2497 38-Lead (5mm × 7mm) Plastic QFN 0°C to 70°C LTC2497IUHF#PBF LTC2497IUHF#TRPBF 2497 38-Lead (5mm × 7mm) Plastic QFN –40°C to 85°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 non-standard 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/ 2497fb 2 For more information www.linear.com/LTC2497 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference I2C Inputs And Digital Outputs Power Requirements Digital Inputs And Digital Outputs I2C Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Revision History Typical Application Related Parts