Datasheet AD8367 (Analog Devices) - 8

FabricanteAnalog Devices
Descripción500 MHz, 45 dB Linear-in-dB Variable Gain Amplifier
Páginas / Página24 / 8 — AD8367. –10. –20. –30. (dBc. BV rms). –40. Bm re 200. UT IMD3. 240MHz. …
RevisiónA
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Idioma del documentoInglés

AD8367. –10. –20. –30. (dBc. BV rms). –40. Bm re 200. UT IMD3. 240MHz. OIP3 (. –50. 140MHz. OUTP. 10MHz. –60. 70MHz. –70. –80. 100. 1000. 0.1. 0.2. 0.3. 0.4. 0.5. 0.6. 0.7

AD8367 –10 –20 –30 (dBc BV rms) –40 Bm re 200 UT IMD3 240MHz OIP3 ( –50 140MHz OUTP 10MHz –60 70MHz –70 –80 100 1000 0.1 0.2 0.3 0.4 0.5 0.6 0.7

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AD8367 40 33 0 –10 35 28 –20 ) )
Ω
30 23 –30 (dBc 25 18 BV rms) –40 Bm re 200 d d UT IMD3 240MHz OIP3 ( –50 20 13 140MHz OIP3 ( OUTP 10MHz –60 70MHz 15 8 –70 10 3
02710-009
–80
02710-012
10 100 1000 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 FREQUENCY (MHz) VGAIN (V)
Figure 9. OIP3 vs. Frequency for VGAIN = 500 mV Figure 12. IMD3 vs. Gain (VOUT = 1 V p-p Composite)
4 11 4 11 10MHz ) ) 70MHz
Ω Ω
2 9 rms) 2 9 rms) V re 200 V B re 200 B d m 140MHz d m ( B ( B 0 7 d d ( 0 7 ( 200MHz ESSION ESSION R –2 5 R P ESSION –2 5 ESSION R P R P OM P OM C OM C OM –4 3 C –4 3 C 1dB 1dB T 1dB T 1dB T T TPU –6 1 TPU –6 1 TPU OU TPU OU OU OU –8 –1
02710-010
–8 –1
02710-013
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VGAIN (V) VS (V)
Figure 10. Output P1dB vs. VGAIN Figure 13. Output Compression Point vs. Supply Voltage at 70 MHz, VGAIN = 500 mV
5 12 40 33 ) 4 11
Ω
35 28 rms) 3 10 V re 200 B ) d m 30 23
Ω
) ( 2 9 B d ( rms 1 25 18 8 ESSION Bm re 200 R (dBV 0 7 d P ESSION 20 13 3 R P OM –1 6 C UT IP OM 15 8 C –2 5 1dB T OUTP 1dB OUTPUT IP3 ( 10 3 –3 4 T TPU TPU OU –4 3 5 –2 OU –5 2
02710-011
0 –7
02710-014
10 100 1000 2.5 3.0 3.5 4.0 4.5 5.0 5.5 FREQUENCY (MHz) VS (V)
Figure 11. Output P1dB vs. Frequency at VGAIN = 500 mV Figure 14. Output Third-Order Intercept vs. Supply Voltage at 70 MHz, VGAIN = 500 mV Rev. A | Page 8 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