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

Data Sheet AD8505/AD8506/AD8508 TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
250 250 VSY = 1.8V VSY = 5V VCM = VSY/2 VCM = VSY/2 200 200 S R RS IE IE IF IF L 150 L P 150 P M A AM F OF R 100 R O E 100 BE MB U N NUM 50 50 0 0
6
–4 –3 –2 –1 0 1 2 3 4
030
–4 –3 –2 –1 0 1 2 3 4
00 0- 0-
V V
90
OS (mV)
690
OS (mV)
0 06 Figure 7. Input Offset Voltage Distribution Figure 10. Input Offset Voltage Distribution
16 12 VSY = 1.8V VSY = 5V –40°C ≤ T 14 –40°C ≤ TA ≤ +125°C A ≤ +125°C 10 12 RS RS IE IE 8 IF 10 IF L L P P AM 8 AM F 6 F R O R O 6 BE BE M 4 M NU 4 NU 2 2 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13
04 07 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
0 0- 0-
TCVOS (µV/°C)
90
TCVOS (µV/°C)
90 06 06 Figure 8. Input Offset Voltage Drift Distribution Figure 11. Input Offset Voltage Drift Distribution
2000 2000 VSY = 1.8V VSY = 5V 1500 1500 1000 1000 500 500 V) V) (µ 0 (µ 0 OS OS V V –500 –500 –1000 –1000 –1500 –1500 –2000
5
–2000
8
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 1 2 3 4 5
-00 -00 0 0
VCM (V)
90
VCM (V)
90 06 06 Figure 9. Input Offset Voltage vs. Input Common-Mode Voltage Figure 12. Input Offset Voltage vs. Input Common-Mode Voltage Rev. F | Page 7 of 21 Document Outline Features Applications General Description Pin Configurations 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