Datasheet AD8230 (Analog Devices) - 9

AD8230 90 0.35 80 0.30 70 ) 60 0.25 Hz / V ) 50 µ B 0.20 d ( 40 ISE ( IN O GA N 0.15 30 E G A 20 T L 0.10 VO 10 0.05 0
5 22 0 02 3- 3- 06 06
–10
05
0
05
10 100 1k 10k 100k 1 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz)
Figure 22. Gain vs. Frequency, G = 100 Figure 25. Voltage Noise Spectral Density vs. Frequency
90 3.90 80 3.70 70 A) m ( 60 T N 3.50 ) 50 B 3.30 d ( CURRE 40 IN LY P GA 3.10 30 UP S E 20 IV 2.90 IT 10 S O P 2.70 0
23 0 26 0 3- 3- 06 06
–10
05
2.50
05
10 100 1k 10k 100k –50 2µV/ –30 DIV –10 10 30 50 70 90 1101s/ 1 DI 30 V FREQUENCY (Hz) TEMPERATURE (
°
C)
Figure 23. Gain vs. Frequency, G = 1000 Figure 26. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 100
0.010 160 0.008 140 0.006 G = +1000 120 0.004 ) % ( 0.002 100 ) G = +100 OR B G = +10 R d R 0 ( 80 E IN –0.002 PSR G = +2 GA 60 –0.004 40 –0.006 –0.008
24
20
0 27 0 3- 3- 06 06
–0.010
05
0
05
0 5 10 15 20 0.1 1 10 SOURCE IMPEDANCE (kΩ) FREQUENCY (kHz)
Figure 24. Gain Error vs. Differential Source Impedance Figure 27. Positive PSR vs. Frequency, RTI Rev. B | Page 9 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SETTING THE GAIN LEVEL-SHIFTING THE OUTPUT SOURCE IMPEDANCE AND INPUT SETTLING TIME INPUT VOLTAGE RANGE INPUT PROTECTION POWER SUPPLY BYPASSING POWER SUPPLY BYPASSING FOR MULTIPLE CHANNEL SYSTEMS LAYOUT APPLICATIONS OUTLINE DIMENSIONS ORDERING GUIDE