Datasheet AD8223 (Analog Devices) - 10

AD8223 18 120 G = 1000 16 110 ±VS = ±5V ±VS = ±2.5V 14 100 ±V G = 5 S = ±12V G = 100 G = 10 12 90 ) A B) 10 d 80 (n S R ( A R 8 70 I BI CM 6 60 4 50 2
13
40
55 0 0 5- 5- 92 692
0
06
30
0
–12 –10 –8 –6 –4 –2 0 2 4 6 8 10 1 10 100 1k 10k 100k CMV (V) FREQUENCY (Hz)
Figure 9. IBIAS vs. CMV Figure 12. CMRR vs. Frequency, ±VS = ±12
120 G = 1000 110 100 G = 5 90 G = 100 G = 10 B) d 80 R ( R 70 CM 60 50 40
56 066 0
500fA/DIV 1s/DIV
5- 5- 92 692 06
30
0
1 10 100 1k 10k 100k FREQUENCY (Hz)
Figure 10. 0.1 Hz to 10 Hz Current Noise Figure 13. CMRR vs. Frequency, +VS = +5 V
70 G = 1000 60 G = 1000 50 G = 100 40 ) 30 B d ( G = 10 IN 20 GA 10 G = 5 G = 5 0 –10
54 18 0
–20
0 5- 5-
0.5µV/DIV 1s/DIV
92 692 0
–30
06
100 1k 10k 100k 1M FREQUENCY (Hz)
Figure 11. 0.1 Hz to 10 Hz RTI and RTO Voltage Noise Figure 14. Gain vs. Frequency, ±VS = ±12 V Rev. 0 | Page 10 of 20 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION INPUT VOLTAGE RANGE REFERENCE TERMINAL INPUT PROTECTION RF INTERFERENCE (RFI) GROUND RETURNS FOR INPUT BIAS CURRENTS APPLICATIONS INFORMATION BASIC CONNECTION DIFFERENTIAL OUTPUT OUTPUT BUFFERING CABLES Receiving from a Cable Driving a Cable A SINGLE-SUPPLY DATA ACQUISITION SYSTEM AMPLIFYING SIGNALS WITH LOW COMMON-MODE VOLTAGE OUTLINE DIMENSIONS ORDERING GUIDE