Datasheet LTC2421, LTC2422 (Analog Devices) - 5

LTC2421/LTC2422
W U TYPICAL PERFOR A CE CHARACTERISTICS Negative Extended Input Range Total Unadjusted Error (3V Supply) INL (3V Supply) Total 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) 24212 G01 24212 G02 24212 G03
Positive Extended Input Range 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 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) 24212 G04 24212 G05 24212 G06
Negative Extended Input Range Positive Extended Input Range Total Unadjusted Error (5V Supply) Total 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) 24212 G07 24212 G08 24212 G09 24212f 5