Datasheet AD8047, AD8048 (Analog Devices) - 8

AD8047/AD8048 7 7 6 6 5 R = 100 L 5 R = 100 L R = R = 200 F IN R = R = 200 F IN 4 V = 300mV p-p OUT 4 V = 2V p-p OUT 3 3 2 2 1 1 OUTPUT (dBm) OUTPUT (dBm) 0 0 –1 –1 –2 –2 –3 –3 1M 10M 100M 1G 1M 10M 100M 1G FREQUENCY (Hz) FREQUENCY (Hz)
TPC 25. AD8048 Small Signal Frequency Response, TPC 28. AD8048 Large Signal Frequency Response, G = +2 G = +2
6.5 1 6.4 0 R = 100 L 6.3 R = R = 200 F IN –1 R = 100 L V = 300mV p-p OUT R = R = 200 F IN 6.2 –2 V = 300mV p-p OUT 6.1 –3 6.0 –4 5.9 OUTPUT (dBm) –5 OUTPUT (dBm) 5.8 –6 5.7 –7 5.6 –8 5.5 –9 1M 10M 100M 1G 1M 10M 100M 1G FREQUENCY (Hz) FREQUENCY (Hz)
TPC 26. AD8048 0.1 dB Flatness, G = +2 TPC 29. AD8048 Small Signal Frequency Response, G = –1
90 100 –20 80 80 –30 R = 1k L 70 60 –40 V = 2V p-p OUT PHASE 60 40 –50 ) 50 20 rees –60 g 40 0 (De –70 SECOND HARMONIC 30 –20 GAIN (dB) R = 100 L –80 20 –40 PHASE –90 THIRD HARMONIC 10 –60 –100 0 –80 HARMONIC DISTORTION (dBc) –10 –100 –110 –20 –120 –120 1k 10k 100k 1M 10M 100M 1G 10k 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz)
TPC 27. AD8048 Open-Loop Gain and Phase Margin TPC 30. AD8048 Harmonic Distortion vs. Frequency, vs. Frequency G = +2 –8– REV. A Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM PRODUCT DESCRIPTION SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS METALLIZATION PHOTOS MAXIMUM POWER DISSIPATION ORDERING GUIDE Typical Performance Characteristics THEORY OF OPERATION General Feedback Resistor Choice Pulse Response Large Signal Performance Power Supply Bypassing Driving Capacitive Loads APPLICATIONS Operation as a Video Line Driver Active Filters A/D Converter Driver Layout Considerations OUTLINE DIMENSIONS Revision History