Datasheet LTC2414, LTC2418 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 8-/16-Channel 24-Bit No Latency ∆ΣTM ADCs |
| Pages / Page | 50 / 7 — Typical perForMance characTerisTics. Total Unadjusted Error. (VCC = 5V, … |
| File Format / Size | PDF / 892 Kb |
| Document Language | English |
Typical perForMance characTerisTics. Total Unadjusted Error. (VCC = 5V, VREF = 5V). (VCC = 5V, VREF = 2.5V)
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Text Version of Document
LTC2414/LTC2418
Typical perForMance characTerisTics Total Unadjusted Error Total Unadjusted Error Total Unadjusted Error (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V) (VCC = 2.7V, VREF = 2.5V)
3 3 8 FO = GND FO = GND FO = GND V T CC = 5V VCC = 5V A = –45°C 6 VCC = 2.7V 2 VREF = 5V 2 VREF = 2.5V VREF = 2.5V VINCM = VREFCM = 2.5V VINCM = VREFCM = 1.25V 4 VINCM = VREFCM = 1.25V ) 1 1 REF T T A = 25°C REF A = 25°C REF 2 0 0 0 T T T A = 85°C A = 85°C A = –45°C –2 TUE (ppm OF V –1 TA = 85°C TUE (ppm OF V –1 T T TUE (ppm OF V A = 25°C A = –45°C –4 –2 –2 –6 –3 –3 –8 –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 241418 G01 241418 G02 241418 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V) (VCC = 2.7V, VREF = 2.5V)
3 3 8 FO = GND FO = GND FO = GND VCC = 5V VCC = 5V 6 VCC = 2.7V 2 VREF = 5V 2 VREF = 2.5V VREF = 2.5V TA = –45°C VINCM = VREFCM = 2.5V VINCM = VREFCM = 1.25V 4 VINCM = VREFCM = 1.25V ) TA = –45°C ) 1 1 T REF TA = 85°C REF REF 2 A = 25°C TA = 25°C 0 0 0 TA = 25°C –2 TA = 85°C INL (ppm OF V –1 INL (ppm OF V –1 INL (ppm OF V TA = –45°C TA = 85°C –4 –2 –2 –6 –3 –3 –8 –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 241418 G04 241418 G05 241418 G06
Noise Histogram Noise Histogram (VCC = 5V, VREF = 5V) (VCC = 2.7V, VREF = 2.5V) Long Term ADC Readings
30 14 1.0 10,000 CONSECUTIVE READINGS 10,000 CONSECUTIVE READINGS RMS NOISE = 0.19ppm FO = GND FO = GND FO = GND VREF = 5V 25 T 12 A = 25°C TA = 25°C ) TA = 25°C VIN = 0V V 0.5 CC = 5V GAUSSIAN VCC = 2.7V GAUSSIAN VCC = 5V VINCM = 2.5V V REF REF = 5V DISTRIBUTION 10 VREF = 2.5V DISTRIBUTION 20 VIN = 0V m = –0.24ppm VIN = 0V m = –0.48ppm VINCM = 2.5V σ = 0.183ppm 8 VINCM = 2.5V σ = 0.375ppm 0 15 6 –0.5 10 4 NUMBER OF READINGS (%) NUMBER OF READINGS (%) ADC READING (ppm OF V –1.0 5 2 0 0 –1.5 –1.2 –0.6 0 0.6 –2.4 –1.8 –1.2 –0.6 0 0.6 1.2 0 10 20 30 40 50 60 OUTPUT CODE (ppm OF VREF) OUTPUT CODE (ppm OF VREF) TIME (HOURS) 241418 G07 241418 G08 LTXXXX • TPCXX 241418fb For more information www.linear.com/LTC2414 7
Typical perForMance characTerisTics Total Unadjusted Error Total Unadjusted Error Total Unadjusted Error (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V) (VCC = 2.7V, VREF = 2.5V)
3 3 8 FO = GND FO = GND FO = GND V T CC = 5V VCC = 5V A = –45°C 6 VCC = 2.7V 2 VREF = 5V 2 VREF = 2.5V VREF = 2.5V VINCM = VREFCM = 2.5V VINCM = VREFCM = 1.25V 4 VINCM = VREFCM = 1.25V ) 1 1 REF T T A = 25°C REF A = 25°C REF 2 0 0 0 T T T A = 85°C A = 85°C A = –45°C –2 TUE (ppm OF V –1 TA = 85°C TUE (ppm OF V –1 T T TUE (ppm OF V A = 25°C A = –45°C –4 –2 –2 –6 –3 –3 –8 –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 241418 G01 241418 G02 241418 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V) (VCC = 2.7V, VREF = 2.5V)
3 3 8 FO = GND FO = GND FO = GND VCC = 5V VCC = 5V 6 VCC = 2.7V 2 VREF = 5V 2 VREF = 2.5V VREF = 2.5V TA = –45°C VINCM = VREFCM = 2.5V VINCM = VREFCM = 1.25V 4 VINCM = VREFCM = 1.25V ) TA = –45°C ) 1 1 T REF TA = 85°C REF REF 2 A = 25°C TA = 25°C 0 0 0 TA = 25°C –2 TA = 85°C INL (ppm OF V –1 INL (ppm OF V –1 INL (ppm OF V TA = –45°C TA = 85°C –4 –2 –2 –6 –3 –3 –8 –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 241418 G04 241418 G05 241418 G06
Noise Histogram Noise Histogram (VCC = 5V, VREF = 5V) (VCC = 2.7V, VREF = 2.5V) Long Term ADC Readings
30 14 1.0 10,000 CONSECUTIVE READINGS 10,000 CONSECUTIVE READINGS RMS NOISE = 0.19ppm FO = GND FO = GND FO = GND VREF = 5V 25 T 12 A = 25°C TA = 25°C ) TA = 25°C VIN = 0V V 0.5 CC = 5V GAUSSIAN VCC = 2.7V GAUSSIAN VCC = 5V VINCM = 2.5V V REF REF = 5V DISTRIBUTION 10 VREF = 2.5V DISTRIBUTION 20 VIN = 0V m = –0.24ppm VIN = 0V m = –0.48ppm VINCM = 2.5V σ = 0.183ppm 8 VINCM = 2.5V σ = 0.375ppm 0 15 6 –0.5 10 4 NUMBER OF READINGS (%) NUMBER OF READINGS (%) ADC READING (ppm OF V –1.0 5 2 0 0 –1.5 –1.2 –0.6 0 0.6 –2.4 –1.8 –1.2 –0.6 0 0.6 1.2 0 10 20 30 40 50 60 OUTPUT CODE (ppm OF VREF) OUTPUT CODE (ppm OF VREF) TIME (HOURS) 241418 G07 241418 G08 LTXXXX • TPCXX 241418fb For more information www.linear.com/LTC2414 7
