Datasheet AD8369 (Analog Devices) - 8

AD8369 –63 –20 –64 –30 –65 –40 –66 –50 –67 OUTPUT IMD – dBc OUTPUT IMD – dBc –60 –68 –70 –69 –70 –80 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 50 100 150 200 250 300 350 400 450 500 550 600 GAIN CODE FREQUENCY – MHz
TPC 7. Two-Tone, IMD3 vs. Gain Code at 70 MHz, TPC 10. Two-Tone IMD3 vs. Frequency VOPHI – VOPLO = 1 V p-p, VOPHI – VOPLO = 1 V p-p, VS = 5 V, RL = 1 kW VS = 5 V, RL = 1 kW, Maximum Gain ⴚ
40
ⴚ
35
ⴚ
45
ⴚ
40
ⴚ
50
ⴚ
45 HD3 HD TION – dBc 3 TION – dBc
ⴚ
55
ⴚ
50 OR HD2 OR HD2
ⴚ
60
ⴚ
55
ⴚ
65
ⴚ
60 HARMONIC DIST HARMONIC DIST
ⴚ
70
ⴚ
65
ⴚ
75
ⴚ
70 0 50 100 150 200 250 300 350 400 0 50 100 150 200 250 300 350 400 FREQUENCY – MHz FREQUENCY – MHz
TPC 8. Harmonic Distortion at VOPHI – VOPLO = 1 V p-p vs. TPC 11. Harmonic Distortion at VOPHI – VOPLO = 1 V p-p vs. Frequency, VS = 5 V, RL = 1 kW, Maximum Gain Frequency, VS = 5 V, RL = 200 W, Maximum Gain
50 8.0 7.8 40 5V 7.6 3V 30 7.4 7.2 20 RL = 1k
⍀
NOISE FIGURE – dB NOISE FIGURE – dB 7.0 10 RL = 200
⍀
6.8 0 6.6 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 50 100 150 200 250 300 350 400 GAIN CODE FREQUENCY – MHz
TPC 9. Noise Figure vs. Gain Code at 70 MHz, V TPC 12. Noise Figure vs. Frequency by R S = 5 V, L and R Supply Voltage at Maximum Gain L = 200 W –8– REV. A Document Outline Features Applications Functional Block Diagram Product Description Specifications Timing Specifications Absolute Maximum Ratings Pin Configuration Typical Performance Characteristics Theroy of Operation Input Attentuator and Output 3 dB Step Fixed Gain Amplifier Input and Output Interfaces Noise and Distortion Offset Control Loop Digital Control Basic Connections Input-Output Interface Reducing Gain Sensitivity to Input and Output Impedance Variation Operation from a Single-Sided Source Interfacing to an ADC PCB Layout Considerations Evaluation Board Evaluation Board Software Appendix Characterization Equipment Definitions of Selected Parameters Composite Waveform Assumption Outline Dimensions Ordering Guide Revision History