Datasheet AD8044 (Analog Devices) - 8

AD8044 4 70 +85
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C G = –1 3 VS = +5V +25
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C RL = 2k
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RL = 2k
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TO 2.5V –40
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C 60 V 2 CL = 5pF S = +3V, 0.1% G = +1 V 50 S = +5V, 0.1% AND 1 VO = 0.2V p-p VS =
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5V, 0.1% 0 40 –1 TIME (ns) 30 –2 VS = +3V, 1% 20 CLOSED-LOOP GAIN (dB) VS = +5V, 1% AND –3 VS =
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5V, 1% –4 10 –5 0 1M 10M 100M 0.5 1 1.5 2 FREQUENCY (Hz) INPUT STEPS (V p-p)
Figure 16. Closed-Loop Frequency Response Figure 19. Settling Time vs. Input Step vs. Temperature
6 0 5 G = +1 +3V R –10 L = 2k
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4 C V L = 5pF +5V S =
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5V V –20 O = 0.2V p-p 3
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5V –30 2 V 1 –40 S = +3V 0 CMRR (dB) –50 –1
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5V CLOSED-LOOP GAIN (dB) –60 –2 +3V –70 –3 +5V –4 –80 100k 1M 10M 100M 0.03 0.1 1 10 100 500 FREQUENCY (Hz) FREQUENCY (MHz)
Figure 17. Closed-Loop Frequency Response vs. Supply Figure 20. CMRR vs. Frequency
1.00 R 100 BT = 50
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0.875 VS = +5V +5V –VOH (+125
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C) G = +1 ) VS = +5V 0.750
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10 +5V –VOH (+25
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C) 0.625 RBT VOUT 1 0.500 +5V –VOH (–55
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C) 0.375 0.1 RBT = 0
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0.250 OUTPUT RESISTANCE ( VOL (+125
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C) OUTPUT SATURATION VOLTAGE (V) 0.125 0.01 VOL (+25
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C) VOL (–55
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C) 0.00 0.03 0.1 1 10 100 500 0 3 6 9 12 15 18 21 24 27 30 FREQUENCY (MHz) LOAD CURRENT (mA)
Figure 18. Output Resistance vs. Frequency Figure 21. Output Saturation Voltage vs. Load Current –8– REV. B Document Outline FEATURES APPLICATIONS PRODUCT DESCRIPTION CONNECTION DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ORDERING GUIDE Typical Performance Characteristics Overdrive Recovery Circuit Description Driving Capacitance Loads APPLICATIONS RGB Buffer Active Filters Layout Considerations OUTLINE DIMENSIONS Revision History