£ 16.50
Buhdjfnke LTC4311 Active Terminator Signal Amplifier for -EM-MA QT/Qwiic
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Description
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You can try slowing down the clock to 1 KHz... or you can use an active terminator like this LTC4311! stands for -Integrated Circuit Communication and is meant for short distance communication on a PCB or assembly. But hey, we're engineers and we like to push the limits of technology, right? So why not try to get to run over a meter of cable or even longer? Well, if you try that, you'll quickly find that the length of the cable adds capacitance and resistance that slows down the open-drain pull-ups used in , making it hard to use 100KHz+ clock speeds. Using this board is simple: connect it to the bus at the beginning of the chain (you can also try it at of the chain if you don't have really long cables). When the chip is powered up and enabled, it monitor the SCL and SDA lines. When it sees them pulled up via the resistors, it activate and dump some current to boost them via the rail. You can now achieve faster data rates without the use of resistors and long cables. We easily a 400 KHz OLED over 3 meters of phone line. For 100KHz signals, we even a BME680 over 100 feet of Ethernet (about 3000pF round trip!) and used the OLED to display sensor details. Operates on any bus voltage from 1.6V to 5.5V, SCL speeds up to 400 KHz, and cables up to 4000pF. No special firmware, software, or configuration required. Simply plug the power, ground, SCL, and SDA connectors into the bus and watch the rise times magically turn waves into square waves. Improved Signal Integrity: The extender module enhances the rise time conversion on the bus, ensuring the integrity of data transmission among multiple devices connected to the bus.
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Description
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You can try slowing down the clock to 1 KHz... or you can use an active terminator like this LTC4311! stands for -Integrated Circuit Communication and is meant for short distance communication on a PCB or assembly. But hey, we're engineers and we like to push the limits of technology, right? So why not try to get to run over a meter of cable or even longer? Well, if you try that, you'll quickly find that the length of the cable adds capacitance and resistance that slows down the open-drain pull-ups used in , making it hard to use 100KHz+ clock speeds. Using this board is simple: connect it to the bus at the beginning of the chain (you can also try it at of the chain if you don't have really long cables). When the chip is powered up and enabled, it monitor the SCL and SDA lines. When it sees them pulled up via the resistors, it activate and dump some current to boost them via the rail. You can now achieve faster data rates without the use of resistors and long cables. We easily a 400 KHz OLED over 3 meters of phone line. For 100KHz signals, we even a BME680 over 100 feet of Ethernet (about 3000pF round trip!) and used the OLED to display sensor details. Operates on any bus voltage from 1.6V to 5.5V, SCL speeds up to 400 KHz, and cables up to 4000pF. No special firmware, software, or configuration required. Simply plug the power, ground, SCL, and SDA connectors into the bus and watch the rise times magically turn waves into square waves. Improved Signal Integrity: The extender module enhances the rise time conversion on the bus, ensuring the integrity of data transmission among multiple devices connected to the bus.
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