データシートサーチシステム |
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HCPL-4200 データシート(PDF) 10 Page - AVAGO TECHNOLOGIES LIMITED |
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HCPL-4200 データシート(HTML) 10 Page - AVAGO TECHNOLOGIES LIMITED |
10 / 13 page 10 -60 100 200 0 TA – TEMPERATURE –°C -40 0 20 60 80 40 -20 150 100 50 VCC CL = 15 pF tPHZ tPZH 20 V 4.5 V 4.5 V 20 V -60 100 100 0 TA – TEMPERATURE –°C -40 0 20 60 80 40 -20 80 60 20 VCC CL = 15 pF tPLZ tPZL 20 V 4.5 V 4.5 V 20 V 40 Figure 14. Typical Logic High Enable Propagation Delay vs. Temperature. Figure 15. Typical Logic Low Enable Propagation Delay vs. Temperature. Figure 16. Test Circuit for Common Mode Transient Immunity. Applications Data transfer between equipment which employs cur- rent loop circuits can be accomplished via one of three configurations: simplex, half duplex or full duplex com- munication. With these configurations, point-to-point and multidrop arrangements are possible. The appropri- ate configuration to use depends upon data rate, num- ber of stations, number and length of lines, direction of data flow, protocol, current source location and voltage compliance value, etc. Simplex The simplex configuration, whether point to point or multidrop, gives unidirectional data flow from transmit- ter to receiver(s). This is the simplest configuration for use in long line length (two wire), for high data rate, and low current source compliance level applications. Block dia- grams of simplex point-to-point and multidrop arrange- ments are given in Figures 17a and 17b respectively for the HCPL-4200 receiver optocoupler. For the highest data rate performance in a current loop, the configuration of a non-isolated active transmitter (containing current source) transmitting data to a re- mote isolated receiver(s) should be used. When the cur- rent source is located at the transmitter end, the loop is charged approximately to V MI (2.5 V). Alternatively, when the current source is located at the receiver end, the loop is charged to the full compliance voltage level. The lower the charged voltage level the faster the data rate will be. In the configurations of Figures 17a and 17b, data rate is independent of the current source voltage compliance level. An adequate compliance level of current source must be available for voltage drops across station(s) dur- ing the MARK state in multidrop applications or for long line length. The maximum compliance level is deter- mined by the transmitter breakdown characteristic. |
同様の部品番号 - HCPL-4200 |
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同様の説明 - HCPL-4200 |
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