Datasheet LTC2421, LTC2422 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 1-/2-Channel 20-Bit µPower No Latency ∆ΣTM ADCs in MSOP-10 |
| Pages / Page | 32 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Negative Extended Input Range. Total … |
| File Format / Size | PDF / 381 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Negative Extended Input Range. Total Unadjusted Error (3V Supply). INL (3V Supply)
Model Line for this Datasheet
Text Version of Document
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
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
