Datasheet LTC2413 (Analog Devices) - 9

LTC2413
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 VCC = 5V 750 0 REF+ = 5V 0 REF– = GND VCC = 5V VREF = 5V REF+ = 5V RMS NOISE (nV) 725 –0.1 IN+ = VINCM –0.1 REF– = GND 700 IN– = VINCM IN+ = 2.5V OFFSET ERROR (ppm OF V V IN– = 2.5V –0.2 IN = 0V OFFSET ERROR (ppm OF V –0.2 675 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) 2413 G19 2413 G20 2413 G21
+Full-Scale Error vs Offset Error vs VCC Offset Error vs VREF 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 REF– = GND VCC = 5V VCC = 5V –0.1 VREF = 2.5V –0.1 REF– = GND –1 REF+ = 5V IN+ = GND IN+ = GND REF– = GND OFFSET ERROR (ppm OF V IN– = GND IN– = GND IN+ = 2.5V –0.2 OFFSET ERROR (ppm OF V FO = GND –0.2 FO = GND –2 IN– = GND T +FULL-SCALE ERROR (ppm OF V A = 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) 2413 G22 2413 G23 2413 G24
–Full-Scale Error vs +Full-Scale Error vs VCC +Full-Scale Error vs VREF Temperature (TA)
3 3 3 ) VCC = 5V REF+ = 5V REF 2 REF 2 REF 2 REF– = GND IN+ = GND 1 1 1 IN– = 2.5V FO = GND 0 0 0 REF+ = 2.5V VCC = 5V REF– = GND REF+ = VREF –1 V REF– = GND REF = 2.5V –1 –1 IN+ = 1.25V IN+ = 0.5 • REF+ IN– = GND IN– = GND –2 –2 –2 +FULL-SCALE ERROR (ppm OF V F F O = GND +FULL-SCALE ERROR (ppm OF V O = GND –FULL-SCALE ERROR (ppm OF V T T A = 25°C A = 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) 2413 G25 2413 G26 2413 G27 2413fa For more information www.linear.com/LTC2413 9