Datasheet AD8625, AD8626, AD8627 (Analog Devices) - 9

Data Sheet AD8625/AD8626/AD8627 70 315 140 VSY = 5V VSY =
±
13V 60 R 270 120 L = 2k
Ω
CL = 40pF 50 225 100 40 180 80 GAIN 30 135 60 20 90 40 GAIN (dB) PHASE 10 45 CMRR (dB) 20 PHASE (Degrees) 0 –0 0 –10 –45 –20 –20 –90 –40 –30 –135
03023-020
–60
03023-023
10k 100k 1M 10M 50M 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz)
Figure 20. Open-Loop Gain and Phase Margin vs. Frequency Figure 23. CMRR vs. Frequency
70 140 VSY =
±
13V VSY = 5V 60 RL = 2k
Ω
120 CL = 40pF 50 100 40 80 G = +100 30 60 20 40 G = +10 GAIN (dB) 10 CMRR (dB) 20 0 0 G = +1 –10 –20 –20 –40 –30
03023-021
–60
03023-024
1k 10k 100k 1M 10M 50M 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz)
Figure 21. Closed-Loop Gain vs. Frequency Figure 24. CMRR vs. Frequency
70 140 V V SY = 5V SY =
±
13V 60 R 120 L = 2k
Ω
CL = 40pF 50 100 40 80 G = +100 +PSRR 30 60 20 40 G = +10 –PSRR GAIN (dB) 10 PSRR (dB) 20 0 0 G = +1 –10 –20 –20 –40 –30
03023-022
–60
03023-025
1k 10k 100k 1M 10M 50M 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz)
Figure 22. Closed-Loop Gain vs. Frequency Figure 25. PSRR vs. Frequency Rev. F | Page 9 of 20 Document Outline Features Applications Pin Configurations General Description Revision History Specifications Electrical Characteristics Absolute Maximum Ratings ESD Caution Typical Performance Characteristics Applications Information Minimizing Input Current Photodiode Preamplifier Application Output Amplifier for DACs Eight-Pole Sallen Key Low-Pass Filter Outline Dimensions Ordering Guide