Datasheet AD604 (Analog Devices) - 10
| Fabricante | Analog Devices |
| Descripción | Dual, Ultralow Noise Variable Gain Amplifier |
| Páginas / Página | 32 / 10 — AD604. –40. –20. VO = 1V p-p. VGN = 1V. –30. –45. Bc) d. –50. N (. IO T. … |
| Revisión | G |
| Formato / tamaño de archivo | PDF / 741 Kb |
| Idioma del documento | Inglés |
AD604. –40. –20. VO = 1V p-p. VGN = 1V. –30. –45. Bc) d. –50. N (. IO T. –60. HD2. T S. –55. –70. C DI. HD3. –80. NI O. –90. HARM. –100. –65. –110. –120. 100k. 10M. 100M. 9.96
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AD604 –40 –20 VO = 1V p-p VO = 1V p-p VGN = 1V –30 VGN = 1V –45 –40 Bc) d –50 N ( –50 IO T ) –60 R m O HD2 B T S –55 (d –70 T C DI OU HD3 P –80 NI O –60 –90 HARM –100 –65
4 21 0
–110
02 0- 0- 54 54
–70
00
–120
00
100k 1M 10M 100M 9.96 9.98 10.00 10.02 10.04 FREQUENCY (Hz) FREQUENCY (MHz)
Figure 21. Harmonic Distortion vs. Frequency Figure 24. Intermodulation Distortion
–30 5 VO = 1V p-p –35 0 c) –40 INPUT B HD2 (10MHz) –5 SIGNAL (d –45 LIMIT 800mV p-p TION 10MHz –50 –10 ) OR m T –55 IS HD3 (10MHz) –15 (dB D IN IC –60 P –20 1MHz ON M –65 R A –25 H –70 HD2 (1MHz) –30 –75 HD3 (1MHz)
22 25 0 0 0- 0- 54 54
–80
00
–35
00
0.5 0.9 1.3 1.7 2.1 2.5 2.9 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 VGN (V) VGN (V)
Figure 22. Harmonic Distortion vs. VGN Figure 25. 1 dB Compression vs. VGN
–20 25 R V S O = 1V p-p VO = 1V p-p DUT VGN = 1V 20 –30 50Ω 500Ω Bc) 15 (d HD2 (10MHz) f = 1MHz N –40 IO T 10 R ) O m T HD3 (10MHz) –50 B IS d 5 D 3 ( IC HD2 (1MHz) IP N 0 f = 10MHz O –60 HD3 (1MHz) –5 HARM –70
3
–10
6 -02 02 0- 40 54
–80
005
–15
00
0 50 100 150 200 250 0.4 0.9 1.4 1.9 2.4 2.9 RSOURCE (Ω) VGN (V)
Figure 23. Harmonic Distortion vs. RSOURCE Figure 26. Third-Order Intercept vs. VGN Rev. G | Page 10 of 32 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 THEORY OF OPERATION PREAMPLIFIER DIFFERENTIAL LADDER (ATTENUATOR) AC COUPLING GAIN CONTROL INTERFACE ACTIVE FEEDBACK AMPLIFIER (FIXED-GAIN AMP) APPLICATIONS INFORMATION ULTRALOW NOISE AGC AMPLIFIER WITH 82 dB TO 96 dB GAIN RANGE ULTRALOW NOISE, DIFFERENTIAL INPUT-DIFFERENTIAL OUTPUT VGA MEDICAL ULTRASOUND TGC DRIVING THE AD9050, A 10-BIT, 40 MSPS ADC EVALUATION BOARD CONNECTING A WAVEFORM TO THE AD604-EVALZ DSX INPUT CONNECTIONS Cascade VGAs to Boost Gain PREAMPLIFIER GAIN OUTPUTS DC OPERATING CONDITIONS EVALUATION BOARD ARTWORK AND SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE
4 21 0
–110
02 0- 0- 54 54
–70
00
–120
00
100k 1M 10M 100M 9.96 9.98 10.00 10.02 10.04 FREQUENCY (Hz) FREQUENCY (MHz)
Figure 21. Harmonic Distortion vs. Frequency Figure 24. Intermodulation Distortion
–30 5 VO = 1V p-p –35 0 c) –40 INPUT B HD2 (10MHz) –5 SIGNAL (d –45 LIMIT 800mV p-p TION 10MHz –50 –10 ) OR m T –55 IS HD3 (10MHz) –15 (dB D IN IC –60 P –20 1MHz ON M –65 R A –25 H –70 HD2 (1MHz) –30 –75 HD3 (1MHz)
22 25 0 0 0- 0- 54 54
–80
00
–35
00
0.5 0.9 1.3 1.7 2.1 2.5 2.9 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 VGN (V) VGN (V)
Figure 22. Harmonic Distortion vs. VGN Figure 25. 1 dB Compression vs. VGN
–20 25 R V S O = 1V p-p VO = 1V p-p DUT VGN = 1V 20 –30 50Ω 500Ω Bc) 15 (d HD2 (10MHz) f = 1MHz N –40 IO T 10 R ) O m T HD3 (10MHz) –50 B IS d 5 D 3 ( IC HD2 (1MHz) IP N 0 f = 10MHz O –60 HD3 (1MHz) –5 HARM –70
3
–10
6 -02 02 0- 40 54
–80
005
–15
00
0 50 100 150 200 250 0.4 0.9 1.4 1.9 2.4 2.9 RSOURCE (Ω) VGN (V)
Figure 23. Harmonic Distortion vs. RSOURCE Figure 26. Third-Order Intercept vs. VGN Rev. G | Page 10 of 32 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 THEORY OF OPERATION PREAMPLIFIER DIFFERENTIAL LADDER (ATTENUATOR) AC COUPLING GAIN CONTROL INTERFACE ACTIVE FEEDBACK AMPLIFIER (FIXED-GAIN AMP) APPLICATIONS INFORMATION ULTRALOW NOISE AGC AMPLIFIER WITH 82 dB TO 96 dB GAIN RANGE ULTRALOW NOISE, DIFFERENTIAL INPUT-DIFFERENTIAL OUTPUT VGA MEDICAL ULTRASOUND TGC DRIVING THE AD9050, A 10-BIT, 40 MSPS ADC EVALUATION BOARD CONNECTING A WAVEFORM TO THE AD604-EVALZ DSX INPUT CONNECTIONS Cascade VGAs to Boost Gain PREAMPLIFIER GAIN OUTPUTS DC OPERATING CONDITIONS EVALUATION BOARD ARTWORK AND SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE