Datasheet LTC2424, LTC2428 (Analog Devices) - 6

LTC2424/LTC2428
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 VCC = 3V V V CC = 3V CC = 3V TA = 90°C 8 VREF = 2.5V 8 V 8 V REF = 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 T ERROR (ppm) –2 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) 24248 G01 24248 G02 24248 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 V 8 REF = 5V VREF = 5V 6 6 6 4 4 4 2 2 2 0 0 0 –2 –2 ERROR (ppm) –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) 24248 G04 24248 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 T 4 A = –55°C 2 2 90 0 0 –2 –2 ERROR (ppm) 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) 24248 G07 24248 G08 24248 G09 6