Evaluates: MAX3397E 19-0972 Rev 0 8/07 MAX3397E Evaluation Kit General Description Features The MAX3397E evaluation kit (EV kit) is a fully assem- Jumper-Selectable Enable/Shutdown bled and tested printed-circuit board (PCB) that Configuration demonstrates the capabilities of the MAX3397E ESD- +1.2V to +5.5V Supply Range for V L protected, dual bidirectional low-level translator. The MAX3397E allows data translation in either direction +1.65V to +5.5V Supply Range for V CC (V V ) on any single data line. The MAX3397E EV kit L CC Proven PCB Layout accepts V from +1.2V to +5.5V and V from +1.65V to L CC +5.5V. The EV kit comes with the MAX3397EELA+ Fully Assembled and Tested installed. Component List Ordering Information PART TYPE DESIGNATION QTY DESCRIPTION MAX3397EEVKIT+ EV Kit 0.1F 10%, 16V X7R ceramic +Denotes lead-free and RoHS-compliant. C1, C2 2 capacitors (0603) Murata GRM188R71C104K 1F 10%, 16V X7R ceramic C3 1 capacitor (0603) Murata GRM188R71C105K JU1 1 3-pin header R1 1 10k 5% resistor (0603) MAX3397EELA+ U1 1 (8-pin DFN, 2mm x 2mm) 1 PCB: MAX3397E Evaluation Kit+ Component Supplier SUPPLIER PHONE WEBSITE Murata Mfg. Co., Ltd. 770-436-1300 www.murata.com Note: Indicate that you are using the MAX3397E when contact- ing this component supplier. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX3397E Evaluation Kit Quick Start Detailed Description of Hardware The MAX3397E is an ESD-protected, dual bidirectional Recommended Equipment low-level translator. The MAX3397E EV kit board pro- Before beginning, the following equipment is needed: vides a proven layout for evaluating the MAX3397E. One +5V DC power supply The EV kit comes with a MAX3397EELA+ installed. One +3.3V DC power supply Enable/Shutdown Control One function generator Place the shunt on pin 1-2 of JU1 (as shown in Table 1) One oscilloscope to drive the EN pin of the MAX3397E high and to enable the device. Place the shunt on pin 2-3 of JU1 to drive Procedure the EN pin of the MAX3397E low and to put the device The MAX3397E EV kit is fully assembled and tested. in shutdown state. Follow the steps below to verify board operation. Caution: Do not turn on power supplies until all con- Table 1. Jumper JU1 Configuration nections are completed. JUMPER SHUNT POSITION DESCRIPTION 1) Turn off the +5V DC and +3.3V DC power supplies. 1-2* Enable JU1 2) Turn off the function generator. 2-3 Shutdown 3) Make sure the shunt is on pin 1-2 of JU1. *Default position. 4) Connect the positive (+) terminal of the +5V DC power supply to the VCC pad and connect the neg- Power Supply ative (-) terminal to the adjacent GND pad. The MAX3397E accepts V from +1.2V to +5.5V and L V from +1.65V to +5.5V. The voltage on V must be CC L 5) Connect the positive (+) terminal of the +3.3V DC less than or equal to the voltage on V . CC power supply to the VL pad and connect the nega- tive (-) terminal to the adjacent GND pad. When V is connected and V is disconnected or L CC connected to ground, the device enters shutdown 6) Connect the positive (+) terminal of the function mode. In this mode, I/O V can still be driven without L generator to I/OVCC1 pad of the MAX3397E EV kit. damage to the device however, data does not translate Connect the negative (-) terminal of the DC signal from I/O V to I/O V . If V falls more than +0.8V L CC CC source to the GND pad. (typ) below V , the device disconnects the pullup resis- L 7) Turn on the +5V DC and +3.3V DC power supplies. tors at I/O V and I/O V . To achieve the lowest possi- L CC 8) Turn on the function generator. ble supply current from V when V is disconnected, L CC it is recommended that the voltage at the V supply CC 9) Set the function generator to a 5V , 1MHz, 2.5V P-P input be approximately equal to GND. DC offset square wave. 10) Use the oscilloscope to measure the I/O V output at L1 pin 5. Verify that the waveform is a 1MHz square wave and is approximately 3.3 V with 1.625V DC offset. P-P 2 Evaluates: MAX3397E