Datasheet LTC2420 (Analog Devices) - 5

LTC2420
W U TYPICAL PERFOR A CE CHARACTERISTICS Negative Input Extended Total Total Unadjusted Error (3V Supply) INL (3V Supply) Unadjusted Error (3V Supply)
10 10 10 V V CC = 3V VCC = 3V CC = 3V TA = 90°C 8 V 8 8 V REF = 2.5V VREF = 2.5V REF = 2.5V TA = 25°C 6 6 6 4 4 4 TA = –45°C 2 2 2 0 0 0 –2 –2 –2 T ERROR (ppm) ERROR (ppm) ERROR (ppm) A = –55°C –4 –4 –4 T T A = –55°C, –45°C, 25°C, 90°C A = –55°C, –45°C, 25°C, 90°C –6 –6 –6 –8 –8 –8 –10 –10 –10 0 0.5 1.0 1.5 2.0 2.5 0 0.5 1.0 1.5 2.0 2.5 0 –0.05 –0.10 –0.15 –0.20 –0.25 –0.30 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 2420 G01 2420 G02 2420 G03
Positive Input Extended Total Unadjusted Error (3V Supply) Total Unadjusted Error (5V Supply) INL (5V Supply)
10 10 10 VCC = 3V VCC = 5V VCC = 5V 8 VREF = 2.5V 8 VREF = 5V 8 VREF = 5V 6 6 6 4 4 4 2 2 2 0 0 0 –2 ERROR (ppm) –2 –2 ERROR (ppm) ERROR (ppm) –4 –4 –4 TA = –55°C, –45°C, 25°C, 90°C TA = –55°C, –45°C, 25°C, 90°C TA = –55°C, –45°C, 25°C, 90°C –6 –6 –6 –8 –8 –8 –10 –10 –10 2.50 2.55 2.60 2.65 2.70 2.75 2.80 0 1 2 3 4 5 0 1 2 3 4 5 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 2420 G04 2420 G05 2420 G06
Negative Input Extended Total Positive Input Extended Total Unadjusted Error (5V Supply) Unadjusted Error (5V Supply) Offset Error vs Reference Voltage
10 10 150 VCC = 5V TA = 25°C VCC = 5V VCC = 5V 8 VREF = 5V T 8 V T A = 90°C REF = 5V A = 25°C 6 TA = –45°C 6 120 4 TA = –55°C 4 2 2 90 0 0 –2 ERROR (ppm) –2 60 ERROR (ppm) –4 –4 OFFSET ERROR (ppm) TA = –55°C –6 –6 30 –8 –8 T T T A = 90°C A = 25°C A = –45°C –10 –10 0 0 –0.05 –0.10 –0.15 –0.20 –0.25 –0.30 5.00 5.05 5.10 5.15 5.20 5.25 5.30 0 1 2 3 4 5 INPUT VOLTAGE (V) INPUT VOLTAGE (V) REFERENCE VOLTAGE (V) 2420 G07 2420 G08 2420 G09 5