Datasheet AD8505, AD8506, AD8508 (Analog Devices) - 10

制造商Analog Devices
描述20 μA Maximum, Rail-to-Rail I/O, Zero Input Crossover Distortion Amplifiers
页数 / 页21 / 10 — AD8505/AD8506/AD8508. Data Sheet. 120. VSY = 1.8V. VSY = 5V. 100. PHASE. …
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AD8505/AD8506/AD8508. Data Sheet. 120. VSY = 1.8V. VSY = 5V. 100. PHASE. GAIN. rees). OOP. –20. HAS. N –20. E –40. GAIN, CL = 0pF. –40 P

AD8505/AD8506/AD8508 Data Sheet 120 VSY = 1.8V VSY = 5V 100 PHASE GAIN rees) OOP –20 HAS N –20 E –40 GAIN, CL = 0pF –40 P

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AD8505/AD8506/AD8508 Data Sheet
TA = 25°C, unless otherwise noted.
120 120 120 120 VSY = 1.8V VSY = 5V 100 PHASE 100 100 PHASE 100 80 80 80 80 60 60 ) ) B 60 60 B d 40 40 d ( GAIN ( 40 40 IN GAIN 20 20 IN rees) rees) GA eg 20 20 GA eg 0 0 D D ( ( OOP E 0 0 E –20 –20 OOP -L -L N HAS N –20 –20 HAS E –40 GAIN, CL = 0pF –40 P E GAIN, CL = 0pF P OP PHASE, CL = 0pF OP –40 PHASE, CL = 0pF –40 –60 –60 GAIN, CL = 50pF GAIN, CL = 50pF –80 PHASE, CL = 50pF –80 –60 PHASE, C –60 L = 50pF GAIN, CL = 100pF GAIN, CL = 100pF –100 –100 PHASE, C –80 –80 L = 100pF PHASE, CL = 100pF –120 –120 –100 –100 100 1k 10k 100k 1M
22 25 0
100 1k 10k 100k 1M
0 0- 0-
FREQUENCY (Hz)
90
FREQUENCY (Hz)
90 06 06 Figure 25. Open-Loop Gain and Phase vs. Frequency Figure 28. Open-Loop Gain and Phase vs. Frequency
50 50 VSY = 1.8V G = –100 VSY = 5V 40 G = –100 40 30 ) 30 B G = –10 ) d B G = –10 ( 20 (d 20 IN 10 IN GA 10 P G = –1 GA 0 G = –1 OO 0 -L OOP D –10 -L E D –10 E OS L –20 OS –20 C L C –30 –30 –40 –40 –50100 1k 10k 100k 1M
17
–50
-0
100 1k 10k 100k 1M
-020
FREQUENCY (Hz)
00 69
FREQUENCY (Hz)
900 0 6 0 Figure 26. Closed-Loop Gain vs. Frequency Figure 29. Closed-Loop Gain vs. Frequency
10k 10k V V SY = 1.8V SY = 5V 1k 1k G = 100 G = 100 G = 10 G = 1 G = 10 100 100 G = 1 ) ) ( ( T T 10 Z OU Z OU 10 1 1 0.1 0.1
8
0.01
1
10 100 1k 10k 100k 1M
02
10 100 1k 10k 100k 1M
03 0- 0-
FREQUENCY (Hz)
90
FREQUENCY (Hz)
90 06 06 Figure 27. ZOUT vs. Frequency Figure 30. ZOUT vs. Frequency Rev. F | Page 10 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