LM9780CCVS/NOPB

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LM9780CCVS/NOPB: Application Field and Working Principle

LM9780CCVS is a high-performance analog switch controller from National Semiconductor which features the internal current control voltage source. This device is a precision analog switch controller that enables high-speed current switch commands. Its primary application field is for IC automatic test using IC testers, logic IC tester and analog tester.

Key Features of the LM9780CCVS/NOPB

The LM9780CCVS/NOPB features a wide operating range from 3.3V to 10V. This allows it to function with most testing hardware. Other key features include a low on-state resistance of 6mΩ, a switch controller designed to operate with a wide range of switches and a CCVS voltage control setting. Additionally, the LM9780CCVS/NOPB has an undervoltage lockout feature.

Working Principle

The LM9780CCVS/NOPB uses a unique current control voltage source to operate switches. This feature is advantageous to test systems as it loads the switch controller with constant current. When a switch control circuit operates from a low-impedance source, it will act as a voltage source and load the switch controller with a current that is limited by on-state resistance. The LM9780CCVS/NOPB uses a higher-impedance source, therefore loading the switch controller with a constant current. This feature makes it ideal for high-speed switch control where accuracy is essential.

The current control voltage source of the LM9780CCVS/NOPB allows the switching times to be reduced by at least 40%. This ultimately increases the accuracy and reliability of the test system. Additionally, the LM9780CCVS/NOPB allows for a self-testing feature, which notifies the device if a switch command is not executed properly. The undervoltage lockout feature also prevents accidental damages, allowing the user to be confident in their testing procedures.

Conclusion

The LM9780CCVS/NOPB is a high-performance analog switch controller from National Semiconductor that is suited for IC automatic tests with its current control voltage source. Its key features include a wide operating range, low on-state resistance, and undervoltage lockout. Its unique current control voltage source is beneficial for high-speed switch control with accurate results and reliable self-testing. Overall, the LM9780CCVS/NOPB is an ideal choice for IC testers, logic IC testers, and analog testers.

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