march 22, 2006 datatronic: 28151 highway 74, romoland, ca 92585 tel: 951-928-7700 toll free tel: 888-889-5391 fax: 951-928-7701 email: ddisales@datatronics.com 499 king?s road, hong kong tel: (852) 2562 3858, (852) 2564 8477 fax: (852) 2565 7214, (852) 2563 1290 all specifications are subj ect to change without notice. NT74804 10 base-t lan modules with cmc features - designed to meet 802.3 10 base-t specification - compact smd package - tape & reel available electrical specifi cations at 25 c parameter specification m easured pins test condition turns ratio 1ct : 1ct 5% (1-5-3) : (8-7-6) hp4284a 1ct : 1ct 5% (16-12-14) : (9-10-11) hp4284a insertion loss 1.0 d b max tx-channel & rx-channel hp8751a @ 1-10 mhz cut off freq 17 mhz typ. tx-channel & rx-channel hp8751a @ 3 d b attenuation 30 d b min tx-channel hp8751a @ 30 mhz 35 d b min tx-channel hp8751a @ 50 mhz 35 d b min tx-channel hp8751a @ 100 mhz 25 d b min rx-channel hp8751a @ 30 mhz 30 d b min rx-channel hp8751a @ 50 mhz 30 d b min rx-channel hp8751a @ 100 mhz return loss @ 100 ? load 18 d b min tx-channel hp8751a @ 5-10 mhz, 100 ? 18 d b min rx-channel hp8751a @ 5-10 mhz, 100 ? return loss @ 98 13 ? load 15 d b min tx-channel hp8751a @ 5-10 mhz, 98 13 ? 15 d b min rx-channel hp8751a @ 5-10 mhz, 98 13 ? cmrr 60 d b min tx-channel & rx-channel hp8751a @ 5-10 mhz 55 d b min tx-channel & rx-channel hp8751a @ 50 mhz 50 d b min tx-channel & rx-channel hp8751a @ 100 mhz 45 d b min tx-channel & rx-channel hp8751a @ 200 mhz cross talk 35 d b min tx-channel to rx-channel hp8751a @ 5-10 mhz hi-pot 1500 vac chip side to cable side hi-pot tester mechanical outlines seating plane co-planarity: 0.004 (0.1) 1.000 (25.4) 0.700 (17.78) 0.500 (12.7) 0.380 (9.65) 0.040 (1.02) 0.100 (2.54) 0.225 (5.7) 0.018 (0.46) typ NT74804 (date code) datatronic tx-channel schematic rx-channel chip side cable side 16 5 14 12 1 3 9 11 10 8 6 7 all dimensions are spec ified in inches (mm) unless otherwise specified, tolerances are +/- 0.010 (0.25) dimensions are exclusive of solder
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