Datasheet AD8367 (Analog Devices) - 7

制造商Analog Devices
描述500 MHz, 45 dB Linear-in-dB Variable Gain Amplifier
页数 / 页24 / 7 — AD8367. TYPICAL PERFORMANCE CHARACTERISTICS. +85. 0.9V. 0.8V. +25. 0.7V. …
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AD8367. TYPICAL PERFORMANCE CHARACTERISTICS. +85. 0.9V. 0.8V. +25. 0.7V. 0.6V. (dB). –40. B) d. 0.5V. 0.4V. FIGURE. GAIN (. 0.3V. NOIS. 0.2V. 0.1V. –10. 100

AD8367 TYPICAL PERFORMANCE CHARACTERISTICS +85 0.9V 0.8V +25 0.7V 0.6V (dB) –40 B) d 0.5V 0.4V FIGURE GAIN ( 0.3V NOIS 0.2V 0.1V –10 100

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AD8367 TYPICAL PERFORMANCE CHARACTERISTICS
VS = 5 V, TA = 25°C, system impedance ZO = 200 Ω, VMODE = 5 V, unless otherwise noted.
50 10 +85
°
C 1V 40 0.9V 9 0.8V +25
°
C 0.7V 30 8 0.6V (dB) –40
°
C B) d 0.5V 20 7 0.4V FIGURE GAIN ( E 0.3V 10 6 NOIS 0.2V 0 0.1V 5 –10
02710-003
4
02710-006
10 100 1000 70 90 110 130 150 170 190 210 230 250 FREQUENCY (MHz) FREQUENCY (MHz)
` Figure 3. Gain vs. Frequency for Values of VGAIN Figure 6. NF (re 200 Ω) vs. Frequency at Maximum Gain
45 60 40 50 35 30 40 25 MODE = 5V MODE = 0V (dB) B) d 10MHz 10MHz 70MHz 70MHz 20 30 140MHz 140MHz 240MHz 240MHz FIGURE GAIN ( 15 E 20 10 NOIS 5 10 0 –5
02710-004
0
02710-007
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 VGAIN (V) VGAIN (V)
Figure 4. Gain vs. VGAIN (Mode LO and Mode HI) Figure 7. NF (re 200 Ω) vs. VGAIN at 70 MHz
45 2.0 40 70MHz 10MHz 40 1.6 35 35 1.2 30 30 0.8 –40
°
C 140MHz 25 25 0.4 B) d 240MHz +25
°
C RROR (dB) Bm) d 20 0 E 20 +85
°
C GAIN ( 15 –0.4 OIP3 ( ARITY 15 10 –0.8 LINE 10 5 –1.2 5 0 –1.6 –5 –2.0
02710-005
0
02710-008
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 VGAIN (V) V GAIN (V)
Figure 5. Gain Conformance at 70 MHz for T = −40°C, +25°C, and +85°C Figure 8. OIP3 vs. VGAIN Rev. A | Page 7 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT ATTENUATOR AND GAIN CONTROL INPUT AND OUTPUT INTERFACES POWER AND VOLTAGE METRICS NOISE AND DISTORTION OUTPUT CENTERING RMS DETECTION APPLICATIONS INPUT AND OUTPUT MATCHING VGA OPERATION MODULATED GAIN MODE AGC OPERATION MODIFYING THE AGC SETPOINT EVALUATION BOARD CHARACTERIZATION SETUP AND METHODS OUTLINE DIMENSIONS ORDERING GUIDE