Datasheet AD8336 (Analog Devices) - 10

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AD8336 Data Sheet 50 30 VGAIN = +0.7V 40 +0.5V 25 30 20 GAIN = –19× +0.2V 20 15 ) B 0V B) GAIN = –3× (d d 10 10 IN N ( A –0.2V AI G G 0 5 –0.5V –10 0 –0.7V –20 –5 VS = ±12V PREAMP GAIN = –3× VS = ±5V VS = ±3V –30 –10 100k 1M 10M 100M 200M
021
100k 1M 10M 100M 500M
024
FREQUENCY (Hz) FREQUENCY (Hz)
06228- 06228- Figure 21. Frequency Response for Various Values of VGAIN Figure 24. Preamplifier Frequency Response for Three Values of Supply When the Preamplifier Gain is −3× Voltage (VS) When the Inverting Gain Value is −3× or −19× (See Figure 69 and Figure 57) (See Figure 69)
25 20 V PREAMP GAIN = 20× GAIN = 0V PREAMP GAIN = 4× 20 15 15 s) n ( B) 10 AY d L 10 N ( DE AI G 5 UP RO G 0 5 CL = 47pF C –5 L = 22pF CL = 10pF CL = 0pF –10 0
022 025
100k 1M 10M 100M 200M 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz)
06228- 06228- Figure 22. Frequency Response for Various Values of Load Capacitance (CL) Figure 25. Group Delay vs. Frequency for Preamplifier Gains of 4× and 20× (See Figure 57) (See Figure 59)
30 1k GAIN = 20× 25 100 20 ) E (Ω C 15 GAIN = 4× N 10 B) TA d N ( 10 ESIS AI G T R 1 5 U TP 0 OU 0.1 –5 VS = ±12V VS = ±5V VS = ±3V –10 0.01
026
100k 1M 10M 100M 500M
023
100k 1M 10M 100M 500M FREQUENCY (Hz) FREQUENCY (Hz)
06228- 06228- Figure 23. Preamplifier Frequency Response for Three Values of Supply Figure 26. Output Resistance vs. Frequency of the Preamplifier Voltage (VS) When the Preamplifier Gain is 4× or 20× (See Figure 61) (See Figure 58) Rev. F | Page 10 of 27 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMPLIFIER VGA SETTING THE GAIN NOISE OFFSET VOLTAGE APPLICATIONS INFORMATION AMPLIFIER CONFIGURATION PREAMPLIFIER Circuit Configuration for Noninverting Gain Circuit Configuration for Inverting Gain USING THE POWER ADJUST FEATURE DRIVING CAPACITIVE LOADS EVALUATION BOARD OPTIONAL CIRCUITRY BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE