Datasheet AD8264 (Analog Devices) - 9

Data Sheet AD8264 700 30 CH 1 TO CH 2 V VOUT = 0.1V p-p CH 1 TO CH 3 GAIN = 0V 600 CH 1 TO CH 4 20 500 10 ) 400 B 0 S d T ( HI IN 300 –10 GA 200 –20 100 –30 CL = 0pF CL = 10pF C 0 –40 L = 22pF
8
–0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5 100k 1M 10M 100M 500M
12 -02 0 6- 736
GAIN ERROR MATCHING (dB) FREQUENCY (Hz)
73 07 07 Figure 9. Channel-to-Channel Gain Match Histogram Figure 12. Frequency Response to Differential Output for Various Capacitive Loads
30 30 PIN = –28dBm VOUT = 0.1V p-p 24 20 18 10 12 ) B ) d B 0 ( d 6 ( IN IN GA –10 GA 0 VGAIN = +0.7V V –20 –6 GAIN = +0.5V VGAIN = +0.2V VGAIN = 0V –12 VGAIN = –0.2V –30 C V L = 0pF GAIN = –0.5V C V L = 10pF GAIN = –0.7V CL = 22pF –18 –40 100k 1M 10M 100M
10
100k 1M 10M 100M
13 -0 0 36 6-
FREQUENCY (Hz)
77
FREQUENCY (Hz)
73 0 07 Figure 10. Frequency Response vs. Gain to VGAx for Figure 13. Frequency Response to Differential Output for Various Values of VGAIN Various Capacitive Loads with Series R = 10 Ω
40 20 PIN = –44dBm VOUT = 0.1V p-p 30 10 20 10 ) ) 0 B B d d ( 0 ( IN IN A G GA –10 –10 VGAIN = +0.7V –20 VGAIN = +0.5V VGAIN = +0.2V V –20 GAIN = 0V C –30 V L = 0pF GAIN = –0.2V C V L = 10pF GAIN = –0.5V C V L = 22pF GAIN = –0.7V C –40 L = 47pF –30 100k 1M 10M 100M
4 11 0
100k 1M 10M 100M 500M
-01 6- 3
FREQUENCY (Hz)
36 77
FREQUENCY (Hz)
77 0 0 Figure 11. Frequency Response vs. Gain to Differential Output for Figure 14. Small Signal Frequency Response to VGAx for Various Values of VGAIN Various Capacitive Loads Rev. C | Page 9 of 37 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMP VGA POST AMPLIFIER VOCM Pin OFSx Pins NOISE APPLICATIONS INFORMATION A LOW CHANNEL COUNT APPLICATION CONCEPT USING A DISCRETE REFERENCE A DC CONNECTED CONCEPT EXAMPLE EVALUATION BOARD CONNECTING AND USING THE AD8264-EVALZ OUTLINE DIMENSIONS ORDERING GUIDE