general description the max3814 evaluation kit (ev kit) simplifies evalua-tion of the max3814 tmds equalizer/driver. this ev kit allows for quick testing of the max3814 with either a dvi or hdmi environment. the max3814 ev kit is fully assembled and tested. features ? fully assembled and tested ? includes ac-powered battery eliminator evaluates: max3814 max3814 evaluation kit ________________________________________________________________ maxim integrated products 1 19-0846; rev 0; 7/07 component list for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. ordering information quick start 1) connect the ?all plug power supply (u7)?to the power jack j3. jumper ju3 to connect the boardsupply to the wall plug supply (wwart). 2) for dvi use, connect the input cable/board to the dvi input and connect a dvi monitor or dvi receiv-er to the max3814 ev kit output. change jumper ju1 to enable dvi equalizer. jumper ju2 can remain disabled. the default setting is level = 1 with 200 back terminations. 3) for hdmi use, connect the cable or board to the hdmi input and connect a monitor or receiver tothe hdmi output. change jumper ju2 to enable the hdmi equalizer. the default setting is level = 1 with 200 back terminations. other adjustments 1) to choose the lower power (level = 0) setting without the 200 back termination resistors, remove resistors r1, r2, r3, r4, and r5 for dvichannel. install a 0 resistor for r6. for the hdmi channel, remove r7, r8, r9, r10, and r11. installa 0 resistor for r12. 2) to use a separate 3.3v supply, move the supply select jumper (ju2) to the ?xt?position. thenconnect the 3.3v supply v cc to j4 (3.3v) and ground to j5 (gnd). see figure 2. scope measurements the dvi and hdmi connectors make it difficult to makeelectrical measurements with an oscilloscope that has sma connectors. to make such measurements with the max3814 ev kit, adapter boards can be purchased from tektronix. the part numbers are dvi-tpa-r-di for the dvi socket and hdmi-tpa-p for the hdmi socket. you can also contact maxim? customer applications group for the max3814 to get adapter board layouts. table 1. adjustment and control descriptions (see quick start first) part temp range ic package MAX3814EVKIT 0 c to +70 c 32 tqfp name function ju3 selects external power supply or wall plug switching power supply (wwart). ju1 selects enable/disable for dvi channel. ju2 selects enable/disable for hdmi channel. designation qt description c1Cc6, c11 7 0.1f chip capacitors (0603) c7 1 0.47f chip capacitor (0603) c8 1 10f chip capacitor (0603) c9 1 1000pf chip capacitor (0603) c10 1 22f capacitor (0805) c12 1 100f capacitor (1210) j1, j2 2 hdmi connectors molex 500284-1927 j3 1 power jack, 2.1mm cui pj-002a j4, j5 2 test points digi-key 5000k-nd ju1, ju2, ju3 3 jumper block, 3 pins 0.1in spacing l1 1 3.3h inductor coilcraft mss5131-332mx r1Cr4, r7Cr10 8 200 , 1% chip resistors (0603) r5, r11 2 0 , 1% chip resistor (0603) r6, r12 2 (open) r13 1 100 1% chip resistor (0603) r14 1 10k 1% chip resistor (0603) u1, u4 2 max3814chj+ u2, u3 2 dvi connector molex 74320-1000 u5 1 max1556etb u6 1 max6346xr46-t u7 1 5v wall plug switching power supply cui dps050200ups-p5p-sz 1 max3814 dvi/hdmi+ equalizer rev a evaluation board downloaded from: http:///
evaluates: max3814 2 _______________________________________________________________________________________ figure 1. max3814 customer board electrical schematic max1556 u5 max6346 u6 max3814 u1 u2 u7 wall plug supply external dps050200ups-p5p-sz ju1 enable dvi output enable dvi output level dis 1 in 2 gnd 3 gnd cui pj-002a 1 pos 2 gnd 4 out 5 shdn 3 ss 1 n.c. n.c.n.c. n.c. n.c. n.c. n.c. ddcci 5vp 5vg hpd blue hsync red green a_gnd ddcd vsync 2 inb+ 3 inb- 6 inc+ 7 inc- 8 n.c. 5 v cc 4 v cc 1 gnd 3 v cc 2 reset 24 n.c. 17 n.c. 23 outb+ 21 v ee 20 v ee 19 outc+ 18 outc- 22 outb- 9 v cc 10 ind+ 11 ind- 12 enable 13 v ee 14 outd- 15 outd+ 16 v ee 32 v cc 31 ina- 30 ina+ 29 level 28 v ee 27 outa+ 26 outa- 25 v ee r4 200 r13 100 r1200 r7200 r2200 r8200 r9200 r3200 c2 0.1 f c1 0.1 f c6 0.1 f r10 200 c3 0.1 f c4 0.1 f 12 3 7 48 59 10 11 1217 18 19 2021 22 2324 13 6 26 27 25 29 28 15 16 14 30 dvi connector u3 n.c.n.c. n.c. n.c. n.c. n.c. ddcci 5vp 5vg hpd blue hsync red green a_gnd ddcd vsync 12 3 7 48 59 1011 1217 18 19 2021 22 2324 13 6 26 27 25 29 28 15 16 14 30 dvi connector j1 12 3 4 5 hdmi connector regulator wallpower-supply connector 67 8 9 10 n.c. 1112 13 14 15 1617 18 19 ju3 ext. j4 +3.3v j5 gnd ju2 en hdmi output enable dis r6 open r5 0 dvi output level r12 open r11 0 max3814 u4 1 n.c. 2 inb+ 3 inb- 6 inc+ 7 inc- 8 n.c. 5 v cc c5 0.1 f 4 v cc 24 n.c. 17 n.c. 23 outb+ 21 v ee 20 v ee 19 outc+ 18 outc- 22 outb- 9 v cc 10 ind+ 11 ind- 12 enable 13 v ee 14 outd- 15 outd+ 16 v ee 32 v cc 31 ina- 30 ina+ 29 level 28 v ee 27 outa+ 26 outa- 25 v ee j2 12 3 4 5 hdmi connector 67 8 9 10 n.c. 1112 13 14 15 1617 18 19 input output r14 10k c7 0.47 f c810 f c1022 f l1 3.3 h c1022 f c1022 f c9 1000pf 10 d1 7 pgnd 6 d2 8 lx 9 inp j3 max3814 evaluation kit downloaded from: http:///
evaluates: max3814 _______________________________________________________________________________________ 3 figure 2. max3814 evaluation kit assembly max3814 evaluation kit downloaded from: http:///
evaluates: max3814 4 _______________________________________________________________________________________ figure 3. max3814 evaluation kit component placement max3814 evaluation kit downloaded from: http:///
evaluates: max3814 _______________________________________________________________________________________ 5 figure 4. max3814 evaluation kit component side max3814 evaluation kit downloaded from: http:///
evaluates: max3814 6 _______________________________________________________________________________________ figure 5. max3814 evaluation kit ground plane max3814 evaluation kit downloaded from: http:///
evaluates: max3814 _______________________________________________________________________________________ 7 figure 6. max3814 evaluation kit power plane max3814 evaluation kit downloaded from: http:///
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. 8 _________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 2007 maxim integrated products is a registered trademark of maxim integrated products, inc. evaluates: max3814 figure 7. max3814 evaluation kit solder side max3814 evaluation kit downloaded from: http:///
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