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| 19-0080; Rev A, 2/05 MAX3620 Evaluation Kit ______________ General Description The MAX3620 evaluation kit (EV kit) is an assembled demonstration board that provides for complete evaluation of the MAX3620 high speed clock delay line. The EV kit comes assembled with a MAX3620A (0.75ns delay). Samples of MAX3620B (1.00ns delay), MAX3620C (1.25ns delay), and MAX3620D (1.50ns delay) are also included to be installed by the user. _________________________ Features Fully Assembled and Tested Additional samples of MAX3620B, MAX3620C, and MAX3620D Devices Included. Evaluates: MAX3620 _____________MAX3620 Quick Start The MAX3620 EV Kit can be configured to evaluate either single-ended or differential signals. For singleended operation, leave the unused input open. The EV Kit has a calibration trace equal in length to the signal line. If matched cables are used, delay can accurately be determined by measuring the timing between the signal at the calibration strip output and the signal at the output of the MAX3620. The evaluation kit has a 50 interface, 50 test equipment should be used. To evaluate the MAX3620A: 1) Using matched 50 SMA cables, connect one output of a differential clock or pulse generator, set up for 300MHz operation, to IN1. Connect the other differential output to the calibration strip (J6). Using another set of matched 50 SMA cables, connect OUT1 and the output of the calibration strip (J5) to the inputs of a 50 oscilloscope. Note: The timing skew between oscilloscope channels will affect delay measurements. Be sure to perform a skew calibration before applying signals to the oscilloscope. 3) Measure the delay from the output of the calibration strip to OUT1 at the signal midpoints. Because the two polarities of a single differential signal are used as two separate signals, the output of the delay line will be 180 out of phase from the output of the calibration strip. Measure the delay from the calibration-strip rising edge to the laggingdelay-line falling edge (or from the calibrationstrip falling edge to the lagging-delay-line rising edge). _______________ Ordering Information PART MAX3620AEVKIT MAX3620BEVKIT MAX3620CEVKIT MAX3620DEVKIT TEMPRANGE -40 to +85 C C -40 to +85 C C -40 to +85 C C -40 to +85 C C ICPACKAGE 6 TDFN 6 TDFN 6 TDFN 6 TDFN _____________________ Selector Guide PART MAX3620A MAX3620B MAX3620C MAX3620D PKG CODE T633-2 T633-2 T633-2 T633-2 TOP MARK AJX AIY AIZ AJA 2) ______________________Component DESIGNATION J1, J2, J3, J4, J5, J6 U1 QTY 6 1 1 1 1 List DESCRIPTION SMA connectors, edge mount MAX3620AETT 3mmX3mm 6 TDFN MAX3620BETT 3mmX3mm 6 TDFN MAX3620CETT 3mmX3mm 6 TDFN MAX3620DETT 3mmX3mm 6 TDFN If evaluation of MAX3620B, MAX3620C, or MAX3620D is desired, see Table 1 in the MAX3620 datasheet for the recommended operating conditions of each device. When changing between versions, be sure to connect the exposed pad to the EV Kit GND. _________________________________________________________1 For pricing delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. MAX3620 Evaluation Kit Evaluates: MAX3620 J6 J5 IN1 1 IN1 OUT1 GND 6 5 OUT1 2 GND IN2 3 IN2 MAX3620 EP OUT2 4 OUT2 EP = Exposed Pad Figure 1. MAX3620 EV Kit Schematic Figure 2. MAX3620 EV Kit PC Board Layout-- Component Side Figure 3. MAX3610 EV Kit PC Board Layout Power Plane 2________________________________________________________________________________ MAX3620 Evaluation Kit Evaluates: MAX3620 Figure 4. MAX3610 EV Kit PC Board Layout Ground Plane Figure 5. MAX3610 EV Kit Component Placement Guide, Solder Side Maxim cannot assume responsibility for any circuitry other than circuitry embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600____________________3 (c)2005 Maxim Integrated Products Printed USA is a registered trade mark of Maxim Integrated Products. |
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