Datasheet AD7171 (Analog Devices) - 9

AD7171 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 10 0.025 VREF = VDD = 5V 8 0.023 VREF = VDD = 3V V) %) 6 0.021 R ( ISE (µ O RRO 4 N E 0.019 MS N AI R G 2 0.017 0 0.015 –40 –10 20 50 80 110
015
–40 –10 20 50 80 110
008
TEMPERATURE (°C) TEMPERATURE (°C)
08417- 08417- Figure 6. AD7171 RMS Noise vs. Temperature Figure 9. Gain Error vs. Temperature
0.266 140 0.200 132 V 0.133 REF = VDD = 5V ) 124 B 0.066 A) LS µ ( L ( 0 IN I DD 116 –0.066 VREF = VDD = 3V 108 –0.133 –0.200 100 –3 –2 –1 0 1 2 3
006
–40 –10 20 50 80 110
016
VIN (V) TEMPERATURE (°C)
08417- 08417- Figure 7. Integral Nonlinearity (VREF = VDD) Figure 10. Power Supply Current vs. Temperature
180 4.5 4.0 3.5 160 3.0 VREF = VDD = 5V V) (µ A) 2.5 µ ( SET F 2.0 I DD F O 140 1.5 1.0 VREF = VDD = 3V 0.5 120 0 –40 –10 20 50 80 110
007
–40 –10 20 50 80 110
017
TEMPERATURE (°C) TEMPERATURE (°C)
08417- 08417- Figure 8. Offset vs. Temperature Figure 11. Power-Down Current vs. Temperature Rev. C | Page 8 of 16 Document Outline FEATURES INTERFACE APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTPUT NOISE AND RESOLUTION SPECIFICATIONS ADC CIRCUIT INFORMATION OVERVIEW FILTER, DATA RATE, AND SETTLING TIME GAIN POWER-DOWN/RESET (PDRST\) ANALOG INPUT CHANNEL BIPOLAR CONFIGURATION DATA OUTPUT CODING REFERENCE DIGITAL INTERFACE GROUNDING AND LAYOUT APPLICATIONS INFORMATION TEMPERATURE SYSTEM SIGNAL CONDITIONING CIRCUIT OUTLINE DIMENSIONS ORDERING GUIDE