Datasheet LTC2412 (Analog Devices) - 8

LTC2412
TYPICAL PERFORMANCE CHARACTERISTICS RMS Noise vs VREF Offset Error vs VINCM Offset Error vs Temperature (TA)
850 0.3 0.3 VCC = 5V 825 REF– = GND IN+ = GND ) 0.2 ) 0.2 800 IN– = GND REF REF FO = GND 0.1 0.1 775 TA = 25°C V 750 0 CC = 5V REF+ = 5V 0 REF– = GND VCC = 5V RMS NOISE (nV) 725 REF+ = 5V –0.1 VREF = 5V –0.1 IN+ = V REF– = GND 700 INCM IN– = V IN+ = 2.5V OFFSET ERROR (ppm OF V INCM –0.2 V OFFSET ERROR (ppm OF V IN = 0V –0.2 IN– = 2.5V 675 FO = GND VIN = 0V TA = 25°C FO = GND 650 –0.3 –0.3 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 –0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 –50 –25 0 25 50 75 100 VREF (V) VINCM (V) TEMPERATURE (°C) 2412 G22 2412 G23 2412 G24
+Full-Scale Error Offset Error vs VCC Offset Error vs VREF vs Temperature (TA)
0.3 0.3 3 ) 0.2 ) 0.2 REF 2 REF REF 0.1 0.1 1 0 0 0 REF+ = 2.5V V V –0.1 REF– = GND –0.1 CC = 5V –1 CC = 5V VREF = 2.5V REF– = GND REF+ = 5V IN+ = GND IN+ = GND REF– = GND OFFSET ERROR (ppm OF V –0.2 IN– = GND OFFSET ERROR (ppm OF V –0.2 IN– = GND –2 IN+ = 2.5V FO = GND FO = GND +FULL-SCALE ERROR (ppm OF V IN– = GND TA = 25°C TA = 25°C FO = GND –0.3 –0.3 –3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 –45 –30 –15 0 15 30 45 60 75 90 VCC (V) VREF (V) TEMPERATURE (°C) 2412 G25 2412 G26 2412 G27
–Full-Scale Error +Full-Scale Error vs VCC +Full-Scale Error vs VREF vs Temperature (TA)
3 3 3 VCC = 5V ) REF+ = 5V REF 2 REF 2 REF 2 REF– = GND IN+ = GND IN– = 2.5V 1 1 1 FO = GND 0 0 0 REF+ = 2.5V VCC = 5V REF– = GND –1 REF+ = VREF V –1 –1 REF = 2.5V REF– = GND IN+ = 1.25V IN+ = 0.5 • REF+ –2 IN– = GND IN– = GND +FULL-SCALE ERROR (ppm OF V –2 –2 FO = GND +FULL-SCALE ERROR (ppm OF V FO = GND –FULL-SCALE ERROR (ppm OF V TA = 25°C TA = 25°C –3 –3 –3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 –45 –30 –15 0 15 30 45 60 75 90 VCC (V) VREF (V) TEMPERATURE (°C) 2412 G28 2412 G29 2412 G30 2412fa 8 For more information www.linear.com/LTC2412 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuit Applications Information Package Description Revision History Typical Application Related Parts