Datasheet ADA4505-1, ADA4505-2, ADA4505-4 (Analog Devices) - 9

ADA4505-1/ADA4505-2/ADA4505-4
TA = 25°C, unless otherwise noted.
100 225 100 225 VSY = 1.8V VSY = 5V 80 180 80 180 60 135 60 135 ) PHASE ) PHASE B 40 90 d B 40 90 ( d ( IN 20 45 IN A rees) 20 45 rees) G GAIN eg GA GAIN eg P 0 0 D ( 0 0 D ( OO E OOP E -L –20 –45 -L –20 –45 N AS HAS N E H P E P –40 –90 OP –40 OP –90 –60 –135 –60 –135 –80 –180 –80 –180 –100 –225 –100 –225 100 1k 10k 100k 1M
25 0
100 1k 10k 100k 1M
26 0 6- 6-
FREQUENCY (Hz)
41
FREQUENCY (Hz)
41 07 07 Figure 25. Open-Loop Gain and Phase vs. Frequency Figure 28. Open-Loop Gain and Phase vs. Frequency
60 60 V V 50 SY = 1.8V 50 SY = 5V G = –100 G = –100 40 40 ) 30 ) B 30 B d G = –10 d G = –10 ( 20 ( 20 IN IN 10 GA 10 G = –1 GA G = –1 0 0 OOP OOP -L –10 -L D –10 D E E –20 OS –20 OS L L C –30 C –30 –40 –40 –50 –50 –60
7
–60 100 1k 10k 100k 1M
28 02
100 1k 10k 100k 1M
0 6- 6-
FREQUENCY (Hz)
41
FREQUENCY (Hz)
41 07 07 Figure 26. Closed-Loop Gain vs. Frequency Figure 29. Closed-Loop Gain vs. Frequency
10k 10k V V SY = 1.8V SY = 5V G = –10 G = –10 G = –100 1k 1k G = –100 G = –1 G = –1 100 ) 100 ) Ω Ω ( ( T T Z OU Z OU 10 10 1 1 0.1
2
0.1
3
10 100 1k 10k 100k 1M
06
10 100 1k 10k 100k 1M
06 6- 6-
FREQUENCY (Hz)
41
FREQUENCY (Hz)
41 07 07 Figure 27. Output Impedance vs. Frequency Figure 30. Output Impedance vs. Frequency Rev. D | Page 9 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—1.8 V OPERATION ELECTRICAL CHARACTERISTICS—5 V OPERATION ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION PULSE OXIMETER CURRENT SOURCE FOUR-POLE, LOW-PASS BUTTERWORTH FILTER FOR GLUCOSE MONITOR OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES