AD9288/PCB Analog Devices Inc, AD9288/PCB Datasheet
AD9288/PCB
Specifications of AD9288/PCB
Related parts for AD9288/PCB
AD9288/PCB Summary of contents
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FEATURES Dual 8-bit, 40 MSPS, 80 MSPS, and 100 MSPS ADC Low power 100 MSPS per channel On-chip reference and track-and-hold 475 MHz analog bandwidth each channel SNR = MHz 1 V p-p ...
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AD9288 TABLE OF CONTENTS Specifications..................................................................................... 3 Explanation of Test Levels ........................................................... 4 Timing Diagrams.......................................................................... 5 Absolute Maximum Ratings............................................................ 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. 8 Typical Performance Characteristics ............................................. 9 Test Circuits..................................................................................... 12 Terminology .................................................................................... 13 Theory ...
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SPECIFICATIONS 3.0 V, differential input; external reference, unless otherwise noted Table 1. Test Parameter Temp Level RESOLUTION DC ACCURACY Differential Nonlinearity 25°C I Full VI Integral Nonlinearity 25°C I Full VI No ...
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AD9288 Test Parameter Temp Level DYNAMIC PERFORMANCE 6 Transient Response 25°C V Overvoltage Recovery Time 25°C V Signal-to-Noise Ratio (SNR) (without Harmonics 10.3 MHz 25° MHz 25° MHz ...
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TIMING DIAGRAMS SAMPLE ENCODE –D0 DATA N – –D0 DATA N – Figure 2. Normal Operation, Same Clock (S1 ...
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AD9288 SAMPLE SAMPLE ENCODE A ENCODE B D7 – DATA N – – DATA N – 9 Figure 4. Data ...
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ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Analog Inputs Digital Inputs VREF IN Digital Output Current Operating Temperature Storage Temperature Maximum Junction Temperature Maximum Case Temperature Thermal Impedance θ ja ESD CAUTION ESD (electrostatic discharge) sensitive ...
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AD9288 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin No. Name Description 1, 12, 16, 27, 29, GND Ground 32, 34 Analog Input for Channel Analog Input for Channel A (Complementary). ...
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TYPICAL PERFORMANCE CHARACTERISTICS 0 ENCODE = 100MSPS A = 10.3MHz IN –10 SNR = 48.52dB SINAD = 48.08dB –20 SECOND HARMONIC = –62.54dBc THIRD HARMONIC = –63.56dBc –30 –40 –50 –60 –70 –80 –90 SAMPLE Figure 6. Spectrum ...
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AD9288 10.3MHz IN SNR SINAD MSPS Figure 12. SINAD/SNR vs. Encode Rate 50 SNR SINAD 7.0 6.5 6.0 5.5 5.0 4.5 ENCODE ...
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CODE Figure 18. Integral Nonlinearity 1.00 0.75 0.50 0.25 0 –0.25 –0.50 –0.75 –1.00 CODE Figure 19. Differential Nonlinearity 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0 0.25 0.50 Figure 20. ...
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AD9288 TEST CIRCUITS V D 28kΩ 12kΩ Figure 21. Equivalent Analog Input Circuit BIAS REF IN Figure 22. Equivalent Reference Input Circuit ENCODE Figure 23. Equivalent Encode Input Circuit 28kΩ 12kΩ ...
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TERMINOLOGY Analog Bandwidth (Small Signal) The analog input frequency at which the spectral power of the fundamental frequency (as determined by the FFT analysis) is reduced by 3 dB. Aperture Delay The delay between a 50% crossing of Encode and ...
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... AD9288/PCB evaluation board recommended to place a 0.1 µF capacitor at each power-ground pin pair for high frequency decoupling, and to include one 10 µF capacitor for local low frequency decoupling. The VREF IN pin should also be decoupled by a 0.1 µ ...
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... U5 U7, U8, U9, U10 23 2 U11, U12 1 P2, P3 are implemented as one physical 80-pin connector SAMTEC TSW-140-08-L-D-RA. 2 AD9288/PCB populated with AD9288-100 use optional amp: place R22, R23, R30, R24, R16, R29, remove R4, R36. Device Package Capacitor 0603 Capacitor 0603 Capacitor TAJD W-HOLE ...
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AD9288 EVALUATION BOARD The AD9218/AD9288 customer evaluation board offers an easy way to test the AD9218 or the AD9288. The compatible pinout of the two parts facilitates the use of one PCB for testing either part. The PCB requires power ...
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(MSB ...
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AD9288 Figure 27. PCB Schematic (Continued) Rev Page 00585-027 ...
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Figure 28. Top Silkscreen Figure 29. Top Routing Figure 30. Ground Plane Rev Page AD9288 Figure 31. Split Power Plane Figure 32. Bottom Routing Figure 33. Bottom Silkscreen ...
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AD9288 TROUBLESHOOTING If the board does not seem to be working correctly, try the following: • Verify power at the IC pins. • Check that all jumpers are in the correct position for the desired mode of operation. • Verify ...
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... AD9288BSTZRL-40 –40°C to +85°C AD9288BST-80 1 AD9288BSTZ-80 –40°C to +85°C –40°C to +85°C AD9288BST-100 1 AD9288BSTZ-100 –40°C to +85°C AD9288/PCB Pb-free part. 0.75 1.60 0.60 MAX 0.45 SEATING PLANE 10° 6° 0.20 2° ...
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AD9288 NOTES Rev Page ...
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NOTES Rev Page AD9288 ...
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AD9288 NOTES © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C00585–0–12/04(C) Rev Page ...