Datasheet LTC2482 (Analog Devices) - 6

HerstellerAnalog Devices
Beschreibung16-Bit ΔΣ ADC with Easy Drive Input Current Cancellation
Seiten / Seite32 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Integral Nonlinearity. (VCC = 5V, …
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TYPICAL PERFORMANCE CHARACTERISTICS. Integral Nonlinearity. (VCC = 5V, VREF = 5V). (VCC = 5V, VREF = 2.5V)

TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V)

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LTC2482
TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V) (VCC = 2.7V, VREF = 2.5V)
3 3 3 VCC = 5V VCC = 5V VCC = 2.7V VREF = 5V VREF = 2.5V VREF = 2.5V 2 VIN(CM) = 2.5V 2 VIN(CM) = 1.25V 2 VIN(CM) = 1.25V fO = GND fO = GND fO = GND ) 1 –45°C 1 1 REF 25°C REF –45°C, 25°C, 90°C REF –45°C, 25°C, 90°C 0 0 0 85°C INL (ppm OF V –1 INL (ppm OF V –1 INL (ppm OF V –1 –2 –2 –2 –3 –3 –3 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 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) 2482 G03 2482 G01 2482 G02
Total Unadjusted Error Total Unadjusted Error Total Unadjusted Error (VCC = 5V, VREF = 5V) (VCC = 5V, VREF = 2.5V) (VCC = 2.7V, VREF = 2.5V)
12 12 12 VCC = 5V VCC = 5V VCC = 2.7V VREF = 5V VREF = 5V 85°C VREF = 2.5V 8 VIN(CM) = 2.5V 8 VIN(CM) = 1.25V 8 VIN(CM) = 1.25V fO = GND 85°C fO = GND f 25°C O = GND 85°C ) 25°C ) 25°C 4 4 4 REF REF REF –45°C 0 –45°C 0 –45°C 0 TUE (ppm OF V –4 TUE (ppm OF V –4 TUE (ppm OF V –4 –8 –8 –8 –12 –12 –12 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 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) 2482 G04 2482 G05 2482 G06
Offset Error vs VIN(CM) Offset Error vs Temperature Offset Error vs VCC
0.3 0.3 0.3 VCC = 5V VCC = 5V REF+ = 2.5V VREF = 5V VREF = 5V REF– = GND ) 0.2 VIN = 0V ) 0.2 VIN = 0V ) 0.2 VIN = 0V REF TA = 25°C REF VIN(CM) = GND REF VIN(CM) = GND f TA = 25°C 0.1 0.1 O = GND 0.1 0 0 0 –0.1 –0.1 –0.1 OFFSET ERROR (ppm OF V –0.2 OFFSET ERROR (ppm OF V OFFSET ERROR (ppm OF V –0.2 –0.2 –0.3 –0.3 –0.3 –1 0 1 2 3 4 5 6 –45 –30 –15 0 15 30 45 60 75 90 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 VIN(CM) (V) TEMPERATURE (°C) VCC (V) 2482 G07 2482 G08 2482 G09 2482fc 6