Datasheet LTC2440 (Analog Devices) - 2

LTC2440
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1,2)
Supply Voltage (VCC) to GND ... –0.3V to 6V TOP VIEW Analog Input Pins Voltage GND 1 16 GND to GND ..–0.3V to (VCC + 0.3V) V 2 15 CC BUSY Reference Input Pins Voltage REF+ 3 14 fO to GND ..–0.3V to (VCC + 0.3V) REF– 4 13 SCK Digital Input Voltage to GND ...–0.3V to (VCC + 0.3V) IN+ 5 12 SDO Digital Output Voltage to GND ...–0.3V to (V IN– 6 11 CC + 0.3V) CS Operating Temperature Range 7 SDI 10 EXT LTC2440C ... 0°C to 70°C 8 GND 9 GND LTC2440I ..–40°C to 85°C GN PACKAGE Storage Temperature Range .. –65°C to 150°C 16-LEAD PLASTIC SSOP Lead Temperature (Soldering, 10 sec) ...300°C TJMAX = 125°C, θJA = 110°C/W
ORDER INFORMATION http://www.linear.com/product/LTC2440#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0°C to 70°C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS 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, –0.5 • VREF ≤ VIN ≤ 0.5 • VREF, (Note 5) l 24 Bits Integral Nonlinearity VCC = 5V, REF+ = 5V, REF– = GND, VINCM = 2.5V, (Note 6) l 5 15 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V, (Note 6) 3 ppm of VREF Offset Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, GND ≤ IN+ = IN– ≤ VCC (Note 12) l 2.5 5 µV Offset Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, GND ≤ IN+ = IN– ≤ VCC 20 nV/°C Positive Full-Scale Error REF+ = 5V, REF– = GND, IN+ = 3.75V, IN– = 1.25V l 10 30 ppm of VREF REF+ = 2.5V, REF– = GND, IN+ = 1.875V, IN– = 0.625V l 10 50 ppm of VREF Positive Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, IN+ = 0.75REF+, IN– = 0.25 • REF+ 0.2 ppm of VREF/°C Negative Full-Scale Error REF+ = 5V, REF– = GND, IN+ = 1.25V, IN– = 3.75V l 10 30 ppm of VREF REF+ = 2.5V, REF– = GND, IN+ = 0.625V, IN– = 1.875V l 10 50 ppm of VREF Negative Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, IN+ = 0.25 • REF+, IN– = 0.75 • REF+ 0.2 ppm of VREF/°C Total Unadjusted Error 5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V 15 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V 15 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V, (Note 6) 15 ppm of VREF Input Common Mode Rejection DC 2.5V ≤ REF+ ≤ VCC, REF– = GND, GND ≤ IN– = IN+ ≤ VCC 120 dB 2440fe 2 For more information www.linear.com/LTC2440 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Typical Performance Characteristics Pin Functions Typical Application Related Parts