Datasheet AD7170 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 12-Bit Low Power Σ−Δ ADC |
| 页数 / 页 | 15 / 9 — AD7170. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 0.025. VREF = … |
| 修订版 | B |
| 文件格式/大小 | PDF / 373 Kb |
| 文件语言 | 英语 |
AD7170. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 0.025. VREF = VDD = 5V. 0.023. VREF = VDD = 3V. 0.021. R (. ISE (µ O. RRO. N E. MS N
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AD7170 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 MS N 0.019 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)
08416- 08416- Figure 6. AD7170 RMS Noise vs. Temperature Figure 9. Gain Error vs. Temperature
0.020 140 0.015 132 0.010 VREF = VDD = 5V ) 124 B 0.005 A) LS µ ( L ( 0 IN I DD 116 –0.005 VREF = VDD = 3V 108 –0.010 –0.015 100 –3 –2 –1 0 1 2 3
006
–40 –10 20 50 80 110
016
VIN (V) TEMPERATURE (°C)
08416- 08416- Figure 7. Integral Nonlinearity (VREF = VDD) Figure 10. Power Supply Current vs. Temperature
180 4.5 4.0 3.5 160 3.0 V V) REF = VDD = 5V (µ A) 2.5 µ ( SET F 2.0 F I DD 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)
08416- 08416- Figure 8. Offset vs. Temperature Figure 11. Power-Down Current vs. Temperature Rev. B | Page 8 of 14 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
015
–40 –10 20 50 80 110
008
TEMPERATURE (°C) TEMPERATURE (°C)
08416- 08416- Figure 6. AD7170 RMS Noise vs. Temperature Figure 9. Gain Error vs. Temperature
0.020 140 0.015 132 0.010 VREF = VDD = 5V ) 124 B 0.005 A) LS µ ( L ( 0 IN I DD 116 –0.005 VREF = VDD = 3V 108 –0.010 –0.015 100 –3 –2 –1 0 1 2 3
006
–40 –10 20 50 80 110
016
VIN (V) TEMPERATURE (°C)
08416- 08416- Figure 7. Integral Nonlinearity (VREF = VDD) Figure 10. Power Supply Current vs. Temperature
180 4.5 4.0 3.5 160 3.0 V V) REF = VDD = 5V (µ A) 2.5 µ ( SET F 2.0 F I DD 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)
08416- 08416- Figure 8. Offset vs. Temperature Figure 11. Power-Down Current vs. Temperature Rev. B | Page 8 of 14 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