Datasheet AD8505, AD8506, AD8508 (Analog Devices) - 7

AD8505/AD8506/AD8508
TA = 25°C, unless otherwise noted.
–115 –120 VSY = 1.8V VSY = 5V –125 –120 –130 –125 ) ) V V (µ (µ –135 OS OS V V –130 –140 –135 –145 –140
7 8 3
–150
3
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0 0 0-
0 1 2 3 4 5
0-
V
90 90
CM (V) V
06
CM (V)
06 Figure 13. Input Offset Voltage vs. Input Common-Mode Voltage Figure 16. Input Offset Voltage vs. Input Common-Mode Voltage
600 600 VSY = 1.8V VSY = 5V 550 550 500 500 450 450 ) ) A A (p 400 (p 400 I B I B 350 350 300 300 250 250 200
9
200 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
-00 0 12 0
VCM (V)
90
VCM (V)
0- 06 90 06 Figure 14. Input Bias Current vs. Input Common-Mode Voltage at 125°C Figure 17. Input Bias Current vs. Input Common-Mode Voltage at 125°C
1000 V 1000 SY = 1.8V V V SY = 5V CM = VSY/2 VCM = VSY/2 100 100 10 ) 10 ) (pA I B (pA 1 I B 1 0.1 0.1 0.01
8
25 35 45 55 65 75 85 95 105 115 125 0.01
-01 9 00
25 35 45 55 65 75 85 95 105 115 125
-01
TEMPERATURE (°C)
00 069
TEMPERATURE (°C)
069 Figure 15. Input Bias Current vs. Temperature Figure 18. Input Bias Current vs. Temperature Rev. E | Page 7 of 20 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