Datasheet LTC2495 (Analog Devices) - 2

LTC2495
absolute MaxiMuM ratings pin 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) GND 1 31 GND REF+, REF– ...–0.3V to (VCC + 0.3V) SCL 2 30 REF– ADCINN, ADCINP, MUXOUTP, SDA 3 29 REF+ MUXOUTN ..–0.3V to (V GND 4 28 VCC CC + 0.3V) NC 5 27 MUXOUTN Digital Input Voltage..–0.3V to (VCC + 0.3V) GND 6 26 ADCINN Digital Output Voltage ...–0.3V to (V 39 CC + 0.3V) COM 7 25 ADCINP Operating Temperature Range CH0 8 24 MUXOUTP LTC2495C .. 0°C to 70°C CH1 9 23 CH15 CH2 10 22 CH14 LTC2495I ...–40°C to 85°C CH3 11 21 CH13 Storage Temperature Range ..–65°C to 150°C 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 FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2495CUHF#PBF LTC2495CUHF#TRPBF 2495 38-Lead (5mm × 7mm) Plastic QFN 0°C to 70°C LTC2495IUHF#PBF LTC2495IUHF#TRPBF 2495 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/
electrical characteristics (norMal speeD) The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5) 16 Bits Integral Nonlinearity 5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6) l 2 20 ppm of VREF 2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6) l 1 ppm of VREF Offset Error 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 13) l 0.5 5 µV Offset Error Drift 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC 10 nV/°C Positive Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF l 32 ppm of VREF Positive Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF 0.1 ppm of VREF/°C Negative Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.25VREF, IN– = 0.75VREF l 32 ppm of VREF Negative Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.25VREF, IN– = 0.75VREF 0.1 ppm of VREF/°C 2495fe 2 For more information www.linear.com/LTC2495 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics (Normal Speed) Electrical Characteristics (2x Speed) 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 Related Parts