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| 19-0135; Rev 0, 01/05 0$;(YDOXDWLRQ.LW BBBBBBBBBBBBBBBB*HQHUDO'HVFULSWLRQ The MAX3901 evaluation kit (EV-kit) provides electrical evaluation of the MAX3901 automotive fiber optic receiver. The EV-kit also includes two optical evaluation sections. The first allows for optical evaluation using a separate photodiode. The second section contains the footprint for an automotive optical assembly. BBBBBBBBBBBBBBBBBBBBBBBBBBBB )HDWXUHV Easy +5.0V Power Supply Operation Fully Assembled and Tested Optical Evaluation Possible (YDOXDWHV 0$; BBBBBBBBBBBBBBBBBBBB &RPSRQHQW/LVW DESIGNATION QTY C1 C2 C7, C11, C12, C36 C10, C13, C14, C16 - C21, C24, C27, C39 - C41 C15, C25, C26 C28 J1, J4, J8, J17, J18 J6, J10 -J13, TP3, TP4, TP7 - TP9, TP13, TP14 JU4, JU5 L2 Q1 - Q6 R1, R3, R23 R2, R16, R28 R4, R5 R6, R13, R18, R38 R7, R9, R24 - R27, R35 R8, R10, R36 R11 R12, R14, R17, R19, R21, R39 R15, R20, R40 R22 R29 R30 U1, U2 U3 None None 1 1 4 DESCRIPTION 0.01F 10% Ceramic Capacitor (0402) 0.022F 10% Ceramic Capacitor (0402) Open BBBBBBBBBBBBBB 2UGHULQJ,QIRUPDWLRQ PART MAX3901EVKIT TEMP. RANGE IC PACKAGE -40C to +125C 24QFN BBBBBBBBBBBBBB &RPSRQHQW6XSSOLHUV SUPPLIER AVX Coilcraft Digi-Key EF Johnson Murata PHONE 843-444-2863 847-639-6400 218-681-6674 402-474-4800 415-964-6321 FAX 843-626-3123 847-639-1469 218-681-3380 402-474-4858 415-964-8165 0.1F 10% Ceramic Capacitors 14 (0402) 3 1 5 10F 5% Tantalum Capacitor (B Case) 2pF 10% Ceramic Capacitor (0402) SMA connectors (edge-mount, tab contact) Note: Please indicate that you are using the MAX3901 when ordering from these suppliers. 12 Test Points 3 1 6 3 3 2 4 7 3 1 6 3 1 1 1 2 1 2 1 2-pin headers, 0.1in centers 1H 5% inductor (1008CS) NPN Transistors Philips PFS540 1.0k 1% resistor (0603) 5.11k 1% resistor (0603) 2.37k 1% resistors (0603) 49.9 1% resistor (0603) 0 1% resistor (0603) 49.9k 1% resistor (0603) 511 1% resistor (0603) 499 1% resistor (0603) 10 1% resistor (0603) 10k 1% resistor (0603) 3.01k 1% resistor (0603) 1.5k 1% resistor (0603) MAX3901 die in QFN24 Optical Device (Not Supplied) Shunts MAX3901EV board BBBBBBBBBBBBBBBBBBBBBBBBB 4XLFN6WDUW (OHFWULFDO(YDOXDWLRQ (OHFWULFDO(YDOXDWLRQ 1) 2) 3) 4) Install a shunt across JU4. Remove shunt from JU5. Connect a +5.0V power supply to J6 and J11. Connect ground to J10 and J12. Connect a -15V power supply to J13. Connect a DC current source to J18 and adjust WKHLQSXWFXUUHQWWR$ 5) Connect a data signal to J1 (IN) with a 2VP-P DPSOLWXGH 7KLV ZLOO FUHDWH D $P-P input current. The output can be monitored either with a high impedance probe at TP4, or by connecting a high-speed 50RVFLOORVFRSe to J8. 2SWLFDO(YDOXDWLRQ 2SWLFDO(YDOXDWLRQ The MAX3901 EV kit contains two optical evaluation sections. One requires a separate photodiode, the other requires an optical assembly. Refer to Figure 1. 8) The output can be monitored either with a high impedance probe at TP14 or TP9, or by connecting a high-speed 50RVFLOORVFRSHWR- or J4. 9) Connect a voltmeter to TP13 or TP9 (STATUS). The output will indicate if the optical connection is successful. _________________________________________________________________Maxim Integrated Products 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. Installing a shunt across JU4 emulates photocurrent at the FILTER pin, which allows MAX3901 to enter the operational mode (STATUS = LOW). Removing shunts from JU4 enters the standby mode (STATUS=HIGH). J U5 R11 5 1 1 BBBBBBBBBB $GMXVWPHQWDQG&RQWURO'HVFULSWLRQVHH4XLFN6WDUWILUVW J6 VC C C15 1 0F J10 G ND C14 0 .1F L2 1H C16 0 .1F VCC +5V TP 7 C10 0 .1F VCC 1 2 3 4 R9 0 TP 9 R12 4 9 9 C12 OPE N R1 1 .0 k R14 4 9 9 3 1 Q3 3 1 Q1 2 R13 4 9 .9 J4 O UT2 C19 0 .1F +5V J11 VC C 2 C25 1 0F J12 G ND C26 1 0F J13 VE E J18 D C B IAS C1 0 .0 1F C27 0 .1F C24 0 .1F R24 0 R25 0 R26 0 R27 0 C13 0 .1F C11 OPE N TP 8 R10 4 9 .9 k 2 R2 5 .1 1 k -15 V R5 2 .3 7 k J U4 R4 2 .3 7 k C2 0 .0 2 2F C28 2 pF R22 1 0 k 24 23 22 21 20 19 R15 1 0 C18 0 .1F -15 V 1 R3 3 .0 k R2 1 .5 k FILT E R IN GND N .C . VC C VC C GND GND GND VC C N .C . N .C . N .C . N .C . N .C . 18 17 16 15 14 TP 3 R7 0 J1 IN R6 4 9 .9 2 +5V 3 4 VCC 5 6 TP 4 R17 4 9 9 C7 OPE N R3 1 .0 k R19 4 9 9 3 1 Q5 R8 4 9 .9 k 2 1 Q2 2 R18 4 9 .9 J8 O UT1 3 C21 0 .1F U1 M A X 3 90 1 O U T _T T L ST AT U S N .C . 0$;(YDOXDWLRQ.LW 13 R16 5 .1 1 k 7 24 23 22 21 20 19 8 9 10 11 12 R20 1 0 N .C . N .C . GND GND GND N .C . C17 0 .1F C20 0 .1F -15 V 1 P HO TO D IO D E (NO T P R O VID E D ) FILT E R IN GND N .C . VC C VC C GND GND GND VC C N .C . N .C . N .C . N .C . N .C . 18 17 16 15 R35 0 2 +5V 3 TP 1 4 R21 4 9 9 C36 OPE N R23 1 .0 k R39 4 9 9 3 1 Q6 3 1 Q4 2 R38 4 9 .9 J17 O UT3 C41 0 .1F NAME 4 VCC U2 M A X 3 90 1 O U T _T T L ST AT U S N .C . 14 TP 1 3 R36 4 9 .9 k 5 6 2 13 COMPONENT R28 5 .1 1 k 7 8 9 10 11 12 R40 1 0 C39 0 .1F C40 0 .1F -15 V Figure 1. MAX3901 EV Kit Schematic Diagram 2 ________________________________________________________________________________________ N .C . N .C . GND GND FUNCTION - JU4 (YDOXDWH0$; JU5 - Used for bypassing the supply filtering if needed. GND N .C . 0$;(YDOXDWLRQ.LW (YDOXDWHV 0$; Figure 2. MAX3901 EV Kit Component Placement Guide - Component Side Figure 3. MAX3901 EV Kit PC Board Layout Solder Side ________________________________________________________________________________________ 3 0$;(YDOXDWLRQ.LW (YDOXDWH0$; Figure 4. MAX3901 EV Kit PC Board Layout Ground Plane Figure 5. MAX3901 EV Kit PC Board Layout Power Plane 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) 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. |
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