Datasheet AD8236 (Analog Devices) - 10

AD8236 120 15 GAIN = 100 100 10 GAIN = 10 80 GAIN = 200 5 B) GAIN = 5 V) d ( 60 (µV/ 0 RR R S R P M C 40 –5 20 –10
4 40 0 01 0- 0- 00 00
0
08
–15
08
0.1 1 10 100 1k 10k 100k –40 –20 0 20 40 60 80 100 120 FREQUENCY (Hz) TEMPERATURE (°C)
Figure 11. Negative PSRR vs. Frequency, RTI, VS = ±0.9 V, ±2.5 V, VREF = 0 V Figure 14. Change in CMRR vs. Temperature, G = 5, Normalized at 25°C
120 60 50 GAIN = 200 100 40 GAIN = 100 30 80 GAIN = 10 ) 20 B) d B d ( R ( 60 10 GAIN = 5 R GAIN = 200 IN CM GAIN = 100 GA 0 40 –10 GAIN = 10 –20 20
23
–30
0
GAIN = 5
0- 00
0
08
–40
2
0.1 1 10 100 1k 10k 100k 10 100 1k 10k 100k 1M
02 0-
FREQUENCY (Hz) FREQUENCY (Hz)
00 08 Figure 12. CMRR vs. Frequency, RTI Figure 15. Gain vs. Frequency, VS = 1.8 V, 5 V
120 6 100 5 80 4 B) d p-p) R ( 60 V GAIN = 200 ( 3 R T GAIN = 100 CM OUV 40 2 20 1
1 32 05
GAIN = 5
1 0- 0-
GAIN = 10
00 00
0
08
0
08
0.1 1 10 100 1k 10k 100k 1 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz)
Figure 13. CMRR vs. Frequency, 1 kΩ Source Imbalance, RTI Figure 16. Maximum Output Voltage vs. Frequency Rev. 0 | Page 10 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION GAIN SELECTION LAYOUT Grounding REFERENCE TERMINAL POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION AC-COUPLED INSTRUMENTATION AMPLIFIER LOW POWER HEART RATE MONITOR OUTLINE DIMENSIONS ORDERING GUIDE