Datasheet LTC2495 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | 16-Bit 8-/16-Channel ΔΣ ADC with PGA, Easy Drive and I2C Interface |
| Pages / Page | 34 / 9 — typical perForMance characteristics. Sleep Mode Current. Conversion … |
| File Format / Size | PDF / 578 Kb |
| Document Language | English |
typical perForMance characteristics. Sleep Mode Current. Conversion Current. Integral Nonlinearity (2x Speed. vs Temperature
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LTC2495
typical perForMance characteristics Sleep Mode Current Conversion Current Integral Nonlinearity (2x Speed vs Temperature vs Output Data Rate Mode; VCC = 5V, VREF = 5V)
2.0 500 3 fO = GND VREF = VCC VCC = 5V 1.8 450 IN+ = GND VREF = 5V IN– = GND 2 1.6 VIN(CM) = 2.5V 400 fO = EXT OSC fO = GND 1.4 TA = 25°C 1 1.2 350 VCC = 5V 25°C, 85°C 1.0 300 0 0.8 INL (µV) 250 0.6 –1 VCC = 2.7V SUPPLY CURRENT (µA) V 200 CC = 5V SLEEP MODE CURRENT (µA) 0.4 –45°C –2 0.2 150 VCC = 3V 0 100 –3 –45 –30 –15 0 15 30 45 60 75 90 0 10 20 30 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) INPUT VOLTAGE (V) 2495 G25 2495 G26 2495 G27
Integral Nonlinearity (2x Speed Integral Nonlinearity (2x Speed Noise Histogram Mode; VCC = 5V, VREF = 2.5V) Mode; VCC = 2.7V, VREF = 2.5V) (2x Speed Mode)
3 3 16 VCC = 5V VCC = 2.7V 10,000 CONSECUTIVE RMS = 0.85µV VREF = 2.5V VREF = 2.5V 14 READINGS AVERAGE = 0.184µV 2 VIN(CM) = 1.25V 2 VIN(CM) = 1.25V VCC = 5V fO = GND fO = GND 12 VREF = 5V ) VIN = 0V 1 1 REF T 85°C REF 85°C 10 A = 25°C GAIN = 128 0 0 8 6 INL (ppm OF V –1 –45°C, 25°C INL (ppm OF V –1 –45°C, 25°C NUMBER OF READINGS (%) 4 –2 –2 2 –3 –3 0 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 179 181.4 183.8 186.2 188.6 INPUT VOLTAGE (V) INPUT VOLTAGE (V) OUTPUT READING (µV) 2495 G28 2495 G29 2495 G30
RMS Noise vs VREF Offset Error vs VIN(CM) (2x Speed Mode) (2x Speed Mode)
1.0 200 V 198 CC = 5V VREF = 5V 0.8 196 VIN = 0V fO = GND 194 TA = 25°C 0.6 192 190 0.4 188 RMS NOISE (µV) VCC = 5V V OFFSET ERROR (µV) 186 IN = 0V 0.2 VIN(CM) = GND 184 fO = GND TA = 25°C 182 GAIN = 128 0 180 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VREF (V) VIN(CM) (V) 2495 G31 2495 G32 2495fe For more information www.linear.com/LTC2495 9 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 I2C Inputs And Digital Outputs Power Requirements Digital Inputs And Digital Outputs I2C Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Revision History Related Parts
typical perForMance characteristics Sleep Mode Current Conversion Current Integral Nonlinearity (2x Speed vs Temperature vs Output Data Rate Mode; VCC = 5V, VREF = 5V)
2.0 500 3 fO = GND VREF = VCC VCC = 5V 1.8 450 IN+ = GND VREF = 5V IN– = GND 2 1.6 VIN(CM) = 2.5V 400 fO = EXT OSC fO = GND 1.4 TA = 25°C 1 1.2 350 VCC = 5V 25°C, 85°C 1.0 300 0 0.8 INL (µV) 250 0.6 –1 VCC = 2.7V SUPPLY CURRENT (µA) V 200 CC = 5V SLEEP MODE CURRENT (µA) 0.4 –45°C –2 0.2 150 VCC = 3V 0 100 –3 –45 –30 –15 0 15 30 45 60 75 90 0 10 20 30 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) INPUT VOLTAGE (V) 2495 G25 2495 G26 2495 G27
Integral Nonlinearity (2x Speed Integral Nonlinearity (2x Speed Noise Histogram Mode; VCC = 5V, VREF = 2.5V) Mode; VCC = 2.7V, VREF = 2.5V) (2x Speed Mode)
3 3 16 VCC = 5V VCC = 2.7V 10,000 CONSECUTIVE RMS = 0.85µV VREF = 2.5V VREF = 2.5V 14 READINGS AVERAGE = 0.184µV 2 VIN(CM) = 1.25V 2 VIN(CM) = 1.25V VCC = 5V fO = GND fO = GND 12 VREF = 5V ) VIN = 0V 1 1 REF T 85°C REF 85°C 10 A = 25°C GAIN = 128 0 0 8 6 INL (ppm OF V –1 –45°C, 25°C INL (ppm OF V –1 –45°C, 25°C NUMBER OF READINGS (%) 4 –2 –2 2 –3 –3 0 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 179 181.4 183.8 186.2 188.6 INPUT VOLTAGE (V) INPUT VOLTAGE (V) OUTPUT READING (µV) 2495 G28 2495 G29 2495 G30
RMS Noise vs VREF Offset Error vs VIN(CM) (2x Speed Mode) (2x Speed Mode)
1.0 200 V 198 CC = 5V VREF = 5V 0.8 196 VIN = 0V fO = GND 194 TA = 25°C 0.6 192 190 0.4 188 RMS NOISE (µV) VCC = 5V V OFFSET ERROR (µV) 186 IN = 0V 0.2 VIN(CM) = GND 184 fO = GND TA = 25°C 182 GAIN = 128 0 180 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VREF (V) VIN(CM) (V) 2495 G31 2495 G32 2495fe For more information www.linear.com/LTC2495 9 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 I2C Inputs And Digital Outputs Power Requirements Digital Inputs And Digital Outputs I2C Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Revision History Related Parts
