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ACT4808DFI 数据表(PDF) 3 Page - Aeroflex Circuit Technology |
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ACT4808DFI 数据表(HTML) 3 Page - Aeroflex Circuit Technology |
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3 / 8 page ![]() Aeroflex Circuit Technology SCD4808 REV E 12/9/99 Plainview NY (516) 694-6700 3 Absolute Maximum Ratings, Per Channel Operating Case Temperature -55°C to +125°C Storage Case Temperature -65°C to +150°C Power Supply Voltages ±16 V +7 V Logic Input Voltage -0.3 V to +5.5 V Receiver Differential Input ±40 V Receiver Input Voltage (Common Mode) ±10V Driver Peak Output Current 150 mA Total Package Power Dissipation over the Full Operating Case Temperature Range 3.6 Watts Maximum Junction to Case Temperature 18°C Junction-Case, Thermal Resistance 5°C/W Electrical Characteristics Per Channel, Transmitter Section 1/ 2/ Input Characteristics, TX DATA IN or TX DATA IN Parameter Condition Symbol Min Typ Max Unit "0" Input Current VIN = 0.4 V IILD - -0.2 -0.4 mA "1" Input Current VIN = 2.7 V IIHD - 1.0 40 µA "0" Input Voltage - VIHD - - 0.7 V "1" Input Voltage - VIHD 2.0 - - V Inhibit Characteristics "0" Input Current VIN = 0.4 V IILI - -0.2 -0.4 mA "1" Input Current VIN = 2.7 V IIHI - 1.0 40 µA "0" Input Voltage - VILI - - 0.7 V "1" Input Voltage - VIHI 2 - - V Delay from TX inhibit(0¡1) to inhibited output - tDXOFF - 300 450 nS Delay from TX inhibit, (1¡0) to active output - tDXON - 300 450 nS Differential output noise, inhibit mode 3/ VNOI - 0.8 10 mVp-p Differential output impedance * 4/ ZOI 2K - - Ω * See Aeroflex Application note# 113 for reference. Output Characteristics Differential output - Direct coupled stub Differential output - Transformer coupled stub (see Fig. 3 and 4) Pt. B - B’ ZO = 70Ω 5/ VO 26 18 29 21 32 25 Vp-p Vp-p Differential output offset - Direct coupled stub Fig. 4 Differential output offset - Xformer coupled stub Fig. 3 VOS - - - - ±360 ±250 mVpk mVpk Differential output rise / fall times (see Fig. 5) 10% - 90% tR & tF 200 250 300 nS Delay from 50% point of TX DATA or TX DATA input to zero crossing of differential output. - tDTX 240 300 nS |
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