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| Kolton0
| | Joined: 12 Apr 2013 | | Posts: 10 | |
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 Posted: Fri Apr 12, 2013 6:39 pm Post subject: High speed photocouplers deliver 5Mb/s operation up to 125°C |
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Toshiba Electronics Europe has extended its family of high speed photocouplers to include two new devices.
Supplied in a DIP8 package and target at industrial applications, the TLP2955 and TLP2958 provide guaranteed operation from -40 to 125°C, have a minimum isolation voltage of 5000Vrms and support data rates up to 5Mb/s.
Target applications include intelligent power module signal isolation, programmable logic controllers and high speed digital interfaces for instrumentation and control devices.
The photocouplers can accommodate an input range of 3 to 20V, which Toshiba says minimises the need for additional voltage conversion circuitry and ensures compatibility with 3.3V power schemes.
Additional features include buffer logic and inverter logic totem pole output stages with current sourcing and sinking capabilities.
Each device is built around a long life GaAlAs led coupled with a high gain, high speed photo detector. An internal Faraday shield provides guaranteed common mode transient immunity of ±20kV/µs.
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| harveytom
| | Joined: 10 May 2013 | | Posts: 10 | |
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| Posted: Fri May 10, 2013 10:28 am Post subject: |
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Toshiba Dual Polarity Input Photocouplers for PLCs (Photo: ... between 3V and 20V, and high-temperature operation is possible with an operating ambient temperature up to 125°C. The photocouplers support a data transfer speed of 5Mbps.
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| louiseshivers1
| | Joined: 09 Jul 2013 | | Posts: 10 | |
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| Posted: Tue Jul 09, 2013 8:59 am Post subject: |
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There are a lot of telephone lines and Internet connections which exist nowadays. One of the well-known from these connections is the high speed T1 connection which combine both telephone and Internet line connection at the same time. Despite the fact that there are other connections existing like the said telephone and Internet connections, most people from the business industry still choose high speed T1 over the rest.
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