Datasheet AD8479 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Very High Common-Mode Voltage Precision Difference Amplifier |
| Pages / Page | 17 / 9 — Data Sheet. AD8479. 150. RL = 2kΩ. 100. /V V µ. R (. (V). –50. RRO. N E … |
| Revision | C |
| File Format / Size | PDF / 396 Kb |
| Document Language | English |
Data Sheet. AD8479. 150. RL = 2kΩ. 100. /V V µ. R (. (V). –50. RRO. N E –100. –40°C. +25°C. –150. +85°C. –10. +105°C +125°C. –200. –15. –250. 10k. 100k. –40. –25. 110
Model Line for this Datasheet
Text Version of Document
Data Sheet AD8479 15 150 RL = 2kΩ 100 10 50 ) 5 /V V µ 0 R ( (V) 0 UT –50 O RRO V N E –100 AI –5 –40°C G +25°C –150 +85°C –10 +105°C +125°C –200 –15 –250 100 1k 10k 100k 1M
014
–40
118
–25 –10 5 20 35 50 65 80 95 110 125
18-
RESISTANCE (Ω) TEMPERATURE (°C)
111 11118- Figure 18. Output Voltage vs. Load over Temperature Figure 21. Gain Drift
15 20 RL = 2kΩ 15 10 10 ) 5 ppm 5 ( (V) ITY 0 R UT 0 A OV E LIN –5 –5 –40°C ON +25°C N +85°C –10 +105°C –10 +125°C –15 –15 –20 0 5 10 15 20 25 30 35 40 45
015
–10 –8 –6 –4 –2 0 2 4 6 8 10
019
I
18-
LOAD (mA) V
111
OUT (V)
11118- Figure 19. Output Voltage vs. Output Current over Temperature Figure 22. Gain Nonlinearity
80 NORMALIZED AT 25°C NORMALIZED AT 0V; OFFSET TO SHOW REPRESENTATIVE DATA DIFFERENT POWER SUPPLIES 60 ) 40 V /DI 20 V) 2mV V/ R ( (µ R 0 RRO MR E C –20 UT P V UT S = ±18V –40 O VS = ±15V VS = ±12V VS = ±10V –60 VS = ±5V –80 –40 –25 –10 5 20 35 50 65 80 95 110 125
17 1
–20 –16 –12 –8 –4 0 4 8 12 16 20
020 18- 18-
TEMPERATURE (°C) VOUT (V)
111 111 Figure 20. CMRR vs. Temperature, V Figure 23. Output Error vs. Output Voltage, RL = 10 kΩ CM = ±20 V Rev. C | Page 9 of 17 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION BASIC CONNECTIONS SINGLE-SUPPLY OPERATION SYSTEM-LEVEL DECOUPLING AND GROUNDING USING A LARGE SHUNT RESISTOR OUTPUT FILTERING GAIN OF 60 DIFFERENTIAL AMPLIFIER ERROR BUDGET ANALYSIS EXAMPLE OUTLINE DIMENSIONS ORDERING GUIDE
014
–40
118
–25 –10 5 20 35 50 65 80 95 110 125
18-
RESISTANCE (Ω) TEMPERATURE (°C)
111 11118- Figure 18. Output Voltage vs. Load over Temperature Figure 21. Gain Drift
15 20 RL = 2kΩ 15 10 10 ) 5 ppm 5 ( (V) ITY 0 R UT 0 A OV E LIN –5 –5 –40°C ON +25°C N +85°C –10 +105°C –10 +125°C –15 –15 –20 0 5 10 15 20 25 30 35 40 45
015
–10 –8 –6 –4 –2 0 2 4 6 8 10
019
I
18-
LOAD (mA) V
111
OUT (V)
11118- Figure 19. Output Voltage vs. Output Current over Temperature Figure 22. Gain Nonlinearity
80 NORMALIZED AT 25°C NORMALIZED AT 0V; OFFSET TO SHOW REPRESENTATIVE DATA DIFFERENT POWER SUPPLIES 60 ) 40 V /DI 20 V) 2mV V/ R ( (µ R 0 RRO MR E C –20 UT P V UT S = ±18V –40 O VS = ±15V VS = ±12V VS = ±10V –60 VS = ±5V –80 –40 –25 –10 5 20 35 50 65 80 95 110 125
17 1
–20 –16 –12 –8 –4 0 4 8 12 16 20
020 18- 18-
TEMPERATURE (°C) VOUT (V)
111 111 Figure 20. CMRR vs. Temperature, V Figure 23. Output Error vs. Output Voltage, RL = 10 kΩ CM = ±20 V Rev. C | Page 9 of 17 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION BASIC CONNECTIONS SINGLE-SUPPLY OPERATION SYSTEM-LEVEL DECOUPLING AND GROUNDING USING A LARGE SHUNT RESISTOR OUTPUT FILTERING GAIN OF 60 DIFFERENTIAL AMPLIFIER ERROR BUDGET ANALYSIS EXAMPLE OUTLINE DIMENSIONS ORDERING GUIDE
