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Datasheet LTC2498 (Analog Devices) - 7

ПроизводительAnalog Devices
Описание24-Bit 8-/16-Channel ΔΣ ADC with Easy Drive Input Current Cancellation
Страниц / Страница38 / 7 — typical perForMance characteristics. RMS Noise. vs Input Differential …
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Язык документаанглийский

typical perForMance characteristics. RMS Noise. vs Input Differential Voltage. RMS Noise vs VIN(CM)

typical perForMance characteristics RMS Noise vs Input Differential Voltage RMS Noise vs VIN(CM)

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LTC2498
typical perForMance characteristics RMS Noise vs Input Differential Voltage RMS Noise vs VIN(CM) RMS Noise vs Temperature (TA)
1.0 1.0 1.0 VCC = 5V VCC = 5V VCC = 5V VREF = 5V VREF = 5V VREF = 5V 0.9 V 0.9 V 0.9 V ) IN(CM) = 2.5V IN = 0V IN = 0V TA = 25°C VIN(CM) = GND VIN(CM) = GND REF TA = 25°C 0.8 V) 0.8 V) 0.8 0.7 0.7 0.7 0.6 RMS NOISE (µ 0.6 RMS NOISE (µ 0.6 RMS NOISE (ppm OF V 0.5 0.5 0.5 0.4 0.4 0.4 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1 0 1 2 3 4 5 6 –45 –30 –15 0 15 30 45 60 75 90 INPUT DIFFERENTIAL VOLTAGE (V) VIN(CM) (V) TEMPERATURE (°C) 2498 G10 2498 G11 2498 G12
RMS Noise vs VCC RMS Noise vs VREF Offset Error vs VIN(CM)
1.0 1.0 0.3 VREF = 2.5V VCC = 5V VCC = 5V VIN = 0V VIN = 0V VREF = 5V 0.9 VIN(CM) = GND 0.9 VIN(CM) = GND ) 0.2 VIN = 0V TA = 25°C TA = 25°C REF TA = 25°C V) 0.8 0.8 0.1 0.7 0.7 0 RMS NOISE (µ 0.6 RMS NOISE (µV) 0.6 –0.1 0.5 0.5 OFFSET ERROR (ppm OF V –0.2 0.4 0.4 –0.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VCC (V) VREF (V) VIN(CM) (V) 2498 G13 2498 G14 2498 G15
Offset Error vs Temperature Offset Error vs VCC Offset Error vs VREF
0.3 0.3 0.3 VCC = 5V REF+ = 2.5V VCC = 5V VREF = 5V REF– = GND REF– = GND ) 0.2 VIN = 0V ) 0.2 VIN = 0V ) 0.2 VIN = 0V REF VIN(CM) = GND REF VIN(CM) = GND REF VIN(CM) = GND f T T 0.1 O = GND 0.1 A = 25°C A = 25°C 0.1 0 0 0 –0.1 –0.1 –0.1 OFFSET ERROR (ppm OF V OFFSET ERROR (ppm OF V –0.2 –0.2 OFFSET ERROR (ppm OF V –0.2 –0.3 –0.3 –0.3 –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 0 1 2 3 4 5 TEMPERATURE (°C) VCC (V) VREF (V) 2498 G16 2498 G17 2498 G18 2498fg For more information www.linear.com/LTC2498 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics (Normal Speed) Electrical Characteristics (2x Speed) Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Digital Inputs and Digital Outputs Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Related Parts
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