Datasheet AD8369 (Analog Devices) - 7

Typical Performance Characteristics–AD8369 (VS = 5 V, T = 25
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C, RS = 200
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, Maximum gain, unless otherwise noted.) 50 50 GAIN CODE 15 40 40 30 30 RL = 1k
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20 20 RL = 200
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10 GAIN – dB 10 GAIN – dB 0 0
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10
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10 GAIN CODE 0
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20
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20 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 10 100 1000 GAIN CODE FREQUENCY – MHz
TPC 1. Gain vs. Gain Code at 70 MHz TPC 4. Gain vs. Frequency by Gain Code, RL = 1 kW
43 50 41 VS = 5V, RL = 1k
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40 GAIN CODE 15 39 VS = 3V, RL = 1k
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30 37 VS = 5V, RL = 200
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35 20 VS = 3V, RL = 200
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33 GAIN – dB 10 GAIN – dB 31 0 29
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10 27 GAIN CODE 0 25
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20 10 100 1000 10 100 1000 FREQUENCY – MHz FREQUENCY – MHz
TPC 2. Maximum Gain vs. Frequency by RL and TPC 5. Gain vs. Frequency by Gain Code, RL = 200 W Supply Voltage
28 21 35 28 26 19 30 23 24 17 25 18 22 15 20 13 20 13 15 8 OUTPUT IP3 – dBm OUTPUT IP3 – dBm 18 11 OUTPUT IP3 – dBV rms 10 3 OUTPUT IP3 – dBV rms 16 9 5 –2 14 7 0 –7 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 10 100 1000 GAIN CODE FREQUENCY – MHz
TPC 3. Output IP3 vs. Gain Code at 70 MHz, VS = 5 V, TPC 6. Output IP3 vs. Frequency, VS = 5 V, RL = 200 W RL = 200 W Maximum Gain REV. A –7– 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