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ML0XX18 データシート(PDF) 5 Page - Mitsubishi Electric Semiconductor |
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ML0XX18 データシート(HTML) 5 Page - Mitsubishi Electric Semiconductor |
5 / 9 page MITSUBISHI ICs for Optical Communication M L 0 X X 1 8 10Gb/s EA Modulator Driver IC MITSUBISHI ELECTRIC - 5 - Notice: This is not a final specification. Some parametric limits are subject to change. ‘04/1/14 rev.2.1 BUILT-IN D-FF The ML0XX18 has an internal D-FF to retime the data by the clock supplied from an external source. To use the D-FF retiming operation, connect CSEL to GND. On the other hand, by connecting CSEL to VEE, an integrated selector SEL will bypass the D-FF, and shut down the power supply of the D-FF and the clock input buffer. The power down feature at the non-retiming operation reduces the power dissipation of the ML0XX18. OUTPUT WAVEFORM ADJUSTMENT The ML0XX18 has output waveform adjustment capabilities of output swing, offset level, and output cross-point. The output voltage swing can be controlled by IM of Modulation Current Control block. Figure 4(a) shows the characteristics of output swing control. The output offset level can be adjusted by IOFS. The output offset level is defined as the high level of output waveform to GND. Figure 4(b) shows an offset control example. ICRSADJ is the current control input of cross point adjustment as shown in Figure 4(c). Figure 4. ML0XX18 Control Characteristics -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 0.0 2.0 4.0 6.0 8.0 Im[mA] Vhigh Vlow -4.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 0.0 2.0 4.0 6.0 Ioff[mA] Vhigh Vlow (a) Output Swing Control (b) Output Offset Control (c) Output Cross-point Control IOFS=0mA, ICRSADJ=0.4mA IM=4mA, ICRSADJ=0.4mA IM=6mA, IOFS=0mA Vss=-5.2V, Ta=RT, fDATA=10Gb/s, Data/Clk=0.25Vpp(AC) 00.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 ICRSADJ[mA] |
同様の部品番号 - ML0XX18 |
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同様の説明 - ML0XX18 |
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