MAX3218EAP

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The MAX3218EAP is a level-interfacing device that is designed to convert TTL or CMOS logic-level signals to RS-232-standard signals. It is designed to be used in a range of applications, from industrial systems to PC and hand-held device peripheral interfaces, that require an interface between the low-voltage logic and the higher-voltage requirements of RS-232. It is an integrated four-channel differential line receiver/driver that is an ideal choice for RS-232-level translation.

The MAX3218EAP is an easy to implement solution which allows a standard TTL to be adapted to the RS-232 standard. To ensure that the device can be easily integrated into a range of different systems, the MAX3218EAP is available in both surface-mount and SPQ_PN packages. The MAX3218EAP has four input and output channels, each of which is designed to accept either a single-ended or differential signal.

The MAX3218EAP has two types of input data formats: TTL or CMOS. The TTL signal input range is from 0v to 3.1v, while the CMOS signal input range is from 0v to 5v. The MAX3218EAP’s output level is adjustable from 0v to 4.7v for RS-232 standard compliant outputs. This allows for data rates of up to 460.8 Kbps and a data format of up to 9 data bits.

The MAX3218EAP is most commonly used to interface TTL logic signals with a PC serial port and is typically used in applications that require logic-buffering and RS-232-level translation, such as PC serial port interfaces and USB-serial adapter cables. The MAX3218EAP can be used in any application where the logic-level signal is not compatible with the RS-232 standard.

The MAX3218EAP has a wide range of features to support a range of applications. The device features circuitry for sensing and generating EIA/TIA-232 control signals (RTS/CTS/DTR/DSR) to support many popular devices. The device also offers an internal power rail for extending communication distance and reducing the possibility of EMI. The device has also been designed to reduce power consumption while increasing reliability.

The MAX3218EAP supports both 5v and 3.3v logic levels and includes a wide range of protection and filtering features such as voltage level clamping, filtering and compensation. It also includes an active low RS-232 disable option that allows the user to control the RS-232 outputs. In addition, the MAX3218EAP has an open-drain PNP transistor that is used to drive an external power-on reset circuit.

In summary, the MAX3218EAP from Maxim Integrated is a four-channel differential line receiver/driver designed for interfacing TTL/CMOS logic and RS-232 outputs. The device features an adjustable 0v-4.7v output level for RS-232 standard compliant outputs, an internal power rail for extending communication distance, and protection and filtering features such as voltage level clamping, filtering and compensation. The device’s small size and low power consumption make the MAX3218EAP an ideal choice for RS-232-level translation in industrial systems, PC and hand-held device peripheral interfaces, and other applications that require an interface between the low-voltage logic and the higher-voltage requirements of RS-232.

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