Datasheet LTC2484 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 24-Bit ΔΣ ADC with Easy Drive Input Current Cancellation |
| 页数 / 页 | 42 / 7 — Typical perForMance characTerisTics. RMS Noise. vs Input Differential … |
| 文件格式/大小 | PDF / 768 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. RMS Noise. vs Input Differential Voltage. RMS Noise vs VIN(CM)
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LTC2484
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 VIN = 0V 0.9 V ) IN(CM) = 2.5V IN = 0V TA = 25°C VIN(CM) = GND VIN(CM) = GND REF TA = 25°C 0.8 0.8 0.8 0.7 0.7 0.7 0.6 RMS NOISE (µV) 0.6 RMS NOISE (µV) 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) 2484 G10 2484 G11 2484 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 0.8 0.8 0.1 0.7 0.7 0 RMS NOISE (µV) 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) 2484 G13 2484 G14 2484 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 –0.2 OFFSET ERROR (ppm OF V –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) 2484 G16 2484 G17 2484 G18 2484ff For more information www.linear.com/LTC2484 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics (Normal Speed) Pin Configuration Electrical Characteristics (2x Speed) Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts
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 VIN = 0V 0.9 V ) IN(CM) = 2.5V IN = 0V TA = 25°C VIN(CM) = GND VIN(CM) = GND REF TA = 25°C 0.8 0.8 0.8 0.7 0.7 0.7 0.6 RMS NOISE (µV) 0.6 RMS NOISE (µV) 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) 2484 G10 2484 G11 2484 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 0.8 0.8 0.1 0.7 0.7 0 RMS NOISE (µV) 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) 2484 G13 2484 G14 2484 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 –0.2 OFFSET ERROR (ppm OF V –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) 2484 G16 2484 G17 2484 G18 2484ff For more information www.linear.com/LTC2484 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics (Normal Speed) Pin Configuration Electrical Characteristics (2x Speed) Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts