MAX3243CDWR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MAX3243CDWR is an integrated circuit (IC) interface device specifically designed as a small, low-power, highly efficient, 3-V to 5.5-V bidirectional voltage-level translator for RS-232 applications. It is a high-speed transceiver combining the active devices of a separate transmit (TX) and receive (RX) Open Collector driver and receiver pair, with an integrated power supply translator circuit. The MAX3243CDWR is ideal for applications where multiple devices must communicate with different voltage level I/O standards, such as RS-232, or those which require signal level shifting between logic levels and the RS-232 level. It is available with the latest version T1+T2 technology which is designed to reduce power consumption by more than 50 % compared to traditional transceivers.

The MAX3243CDWR is designed to simplify the implementation of low-power, low-voltage operating systems, while complying with the electrical specifications found within the EIA/TIA-232F and V.28 interface standards. The MAX3243CDWR can operate at data rates up to 115.2 Kb/s with the enhanced T1+T2 drive technology, and is offered in space saving 8-pin packages such as SO20, UDFN, and TDFN packages which have a 6.5 mm² or smaller footprint. In addition, there is an integrated charge pump for use with full-duplex modulation schemes requiring VCC rates of 15 V and ±12 V.

The MAX3243CDWR has two power supply pins, one dedicated to receive circuits which is always powered, while the other is always used for the transmit circuits and can be powered by either 3 V or 5.5 V. This device can translate signals between 0 and 5.5 V logic levels to RS-232 levels and vice versa, allowing designers to conveniently bridge communication between systems with different logic levels. The MAX3243CDWR is ideal for applications where multiple devices must communicate with different voltage level input/output standards.

The MAX3243CDWR has a TX and RX I/O connection pins used to connect to the external data lines. The TX pin is connected to its respective transmit data line, and similarly, the RX pin is connected to the receive data line. A dedicated voltage regulator pin is used to provide power for the TX and RX logic. The voltage regulator pin can be connected to either 3 V or 5.5 V logic, depending on the power supply options in the circuit. The MAX3243CDWR also has an Enable pin used to enable or disable the device.

The MAX3243CDWR has a fast switching internal charge pump with minimized power consumption that provides ±15 V and ±12 V levels for data modulation schemes, e.g. HDLC/SDLC, whose transmit and receive data lines require full-duplex voltage levels. Furthermore, the charge pump has an adjustable down voltage which helps to reduce power consumption when inactive. It is also possible to optimize the power consumptions with the shutdown and sleep option, where the MAX3243CDWR can be powered down to reduce power consumption, or placed in sleep mode, which still provides basic functionality, but significantly reduces power consumption.

In conclusion, the MAX3243CDWR is a low-power, highly efficient voltage-level translator for RS-232 applications that is designed to simplify the implementation of low-voltage, low-power nodes for communications systems. It is available with T1+T2 technology, and offers a variety of space-saving 8-pin packages including SO20, UDFN, and TDFN packages. An integrated charge pump provides ±15 V and ±12 V levels and the device also has a shutdown and sleep option to reduce power consumptions when inactive.

The specific data is subject to PDF, and the above content is for reference