AOL1208

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The AOL1208 is a JFET input analog switch which offers low off-leakage, low on-resistance, and fast switching speed. When compared to its predecessor, the AOL0504, the AOL1208 features lower on-leakage, lower off-leakage, and faster switching speeds. With its significant improvement in a variety of its specs, the AOL1208 has become one of the most versatile and reliable FET switches on the market.

The AOL1208 is built on a single enhancement-mode n-channel MOSFET structure, with a top gate gate-oxide layer, a drain-source connection, and a centrally-located source-substrate bias.

The JFET input to the AOL1208 is used to control the on/off state of the FET switch, with the central source-substrate contact providing a reference potential such that the gate-source voltage of the MOSFET is not affected by the voltage potential of the source. This ensures that the gate-source voltage is always kept at a constant level across the entire application.

The AOL1208 is based on the same principles of FET switching as the AOL0504, with the same structure of a top-gate gate-oxide layer, as well as a drain-source connection, and a source-to-substrate contact.

The AOL1208, however, has improved in various electrical parameters and characteristics, due to the increased gate-oxide layer, the thicker drain-source layer, and the improved source-substrate bias. This changes the performance of the switch, allowing for improved off-leakage and on-resistance, as well as higher switching speeds.

The AOL1208 has a low off-leakage when in its off-state, ensuring that the switch does not accidentally turn on during operation. It also has a low on-resistance of just 4.8 Ω, allowing it to efficiently activate and deactivate the FET switch with little power loss.

The AOL1208 also has a fast switching speed of 65 ns, which is significantly faster than the AOL0504’s switching speed, allowing for faster and more accurate operation of the switch. This makes the AOL1208 ideal for a variety of applications such as signal routing and timing, analog switches, and switching power supplies.

The AOL1208 is also protected against overvoltage conditions, ensuring that the switch is not damaged by transients or other types of voltage surges. This makes it a safe and reliable option, with less risk of unexpected breakdowns.

Overall, the AOL1208 is an ideal choice for a variety of applications that require a reliable and efficient FET switch. It offers low off-leakage and on-resistance and fast switching speeds, making it a reliable choice for signal routing and timing, power switching, and analog switching applications.

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