MAX318CSA

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The MAX318CSA is a monolithic CMOS analog switch array IC with advanced features, a low off-state leakage current, low on-state resistance, fast switching speed, and low power. The device is suitable for array filtering, multiplexing, audio switching, and high-speed gain and attenuator switching applications. It is used in a variety of data moving applications, including low power battery switches and multiplexers for communications and video. The IC is packaged in a small 24-lead SSOP package.

The MAX318CSA is a monolithic CMOS analog switch array IC designed for use in high resolution data acquisition systems, analog switch applications, first-order anti-aliasing filters, and other applications where the device must perform at the highest accuracy possible. The device has eight independent switches that can be controlled by one select input and one output enable input. It operates in either multiplex or half-select modes and has a low power consumption of less than 500µA.

The MAX318CSA has a proven CMOS technology, low off-state leakage (up to 1000 pA maximum at 25° Celsius), low on-state resistance (typically 400 ohm) and fast switching speed (up to 150ns). The device also features a low 0.3V logic threshold and optimized drive, making it easy to use in a variety of circuits. In addition, the device contains internal diodes to suppress any parasitic oscillations, providing reliable switching performance.

The MAX318CSA output can be configured for either complementary or push-pull outputs with a 10V compliant voltage range. The output of the IC can be driven from source or sink up to 5mA and can also be driven externally with CMOS logic up to 20mA. Additionally, the device is ESD-protected up to 2kV, making it suitable for use in harsh environments.

The MAX318CSA works by using the digital select inputs to control the eight switches on the device. When a select input is asserted, the corresponding switch is turned ON, allowing current to flow from the source to the drain. The output enable input can be used to turn all of the switches ON or OFF simultaneously. In multiplex mode, only one select input is active at a given time, while in half-select mode both select inputs can be used simultaneously.

The MAX318CSA is an ideal solution for low-power battery switching, multiplexing and audio switching applications. It is available in a 24-lead SSOP package, offering the maximum flexibility for a wide range of applications. The device can be operated at temperatures between -40°C and +85°C and is RoHS compliant.

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