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| 19-1351; Rev 0; 3/98 MAX4201 Evaluation Kit ________________General Description The MAX4201 evaluation kit (EV kit) simplifies evaluation of the MAX4201 ultra-high-speed, low-power, lownoise, open-loop buffer. The EV kit circuit demonstrates the MAX4201 in the noninverting unity-gain configuration. RF-style connectors (SMA) and 50 terminating resistors are included for test equipment compatibility. This EV kit can also be used to evaluate the MAX4200 and MAX4202 (contact Maxim for free samples). Note that the MAX4201 has an internal 50 output termination resistor, and the MAX4202 has an internal 75 output termination resistor, while the MAX4200 has no internal output termination resistor (refer to the MAX4200-MAX4205 data sheet for more information). ____________________________Features o 780MHz -3dB Bandwidth o 280MHz 0.1dB Gain Flatness o 2.1nV/Hz Voltage Noise Density o 0.8pA/Hz Current Noise Density o 4200V/s Slew Rate o Excellent Capacitive-Load-Driving Capability o Fully Assembled and Tested Surface-Mount Board Evaluates: MAX4200/MAX4201/MAX4202 Component List DESIGNATION QTY C1, C3 C2, C4 IN, OUT R1 R2 U1 None None 2 2 2 1 1 1 1 1 DESCRIPTION 10F, 10V, 20% tantalum capacitors AVX TAJB106M010 or Sprague 293D106X0010B 0.1F, 10% ceramic capacitors SMA connectors 49.9, 1% resistor 0 resistor MAX4201ESA MAX4201 PC board MAX4200-MAX4205 data sheet _______________Ordering Information PART MAX4201EVKIT TEMP. RANGE -40C to +85C IC PACKAGE 8 SO _________________________Quick Start The MAX4201 EV kit is fully assembled and tested. Follow these steps to verify board operation. Do not turn on the power supply until all connections are completed. 1) The circuit requires supply voltages of 4.0V to 5.5V. For evaluation purposes, connect a +5V supply to the pad labeled VCC and a -5V supply to the pad labeled VEE. Connect the power-supply grounds to the pad marked GND. 2) Connect the output marked OUT to an oscilloscope through a terminated 50 cable. 3) Turn on the power supply. Apply a signal of 3.3V maximum to the SMA connector marked IN+. 4) Verify the output signal on the oscilloscope. (Note: When using a 50 terminated oscilloscope input, the output amplitude observed on the oscilloscope will be half that on the input. This is due to the voltage divider formed by the internal 50 back-terminating resistor and the oscilloscope input termination impedance.) __________________Component Suppliers SUPPLIER AVX SPRAGUE PHONE (803) 946-0690 (603) 224-1961 FAX (803) 626-3123 (603) 224-1430 Note: Please indicate that you are using the MAX4201 when contacting these component suppliers. ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468. MAX4201 Evaluation Kit Evaluates: MAX4200/MAX4201/MAX4202 _______________Detailed Description Layout Considerations The MAX4201 EV kit layout has been optimized for high-speed signals and low distortion with careful attention given to grounding, power-supply bypassing, and signal-path layout. The small, surface-mount, ceramic bypass capacitors (C2, C4) have been placed as close to the MAX4201 supply pins as possible. A continuous ground plane has been maintained under the IC to reduce inductance to the signal return path. When using the MAX4200, replace R2 with an appropriate terminating resistor. 1 N.C. N.C. 8 U1 2 N.C. VCC 7 C2 0.1F C1 10F 10V VCC MAX4201 IN R1 49.9 3 IN RT 50 OUT 6 R2 0 OUT VEE 4 C3 10F 10V C4 0.1F VEE N.C. 5 GND Figure 1. MAX4201 EV Kit Schematic 2 _______________________________________________________________________________________ MAX4201 Evaluation Kit Evaluates: MAX4200/MAX4201/MAX4202 1.0" 1.0" Figure 2. MAX4201 EV Kit Component Placement Guide Figure 3. MAX4201 EV Kit PC Board Layout--Component Side 1.0" Figure 4. MAX4201 EV Kit PC Board Layout--Solder Side _______________________________________________________________________________________ 3 Evaluates: MAX4201 Evaluates: MAX4200/MAX4201/MAX4202 NOTES Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 1998 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. |
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