MAX3488EEPA+

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

The MAX3488EEPA+ is an RS-485 transceiver belonging to the extended supply range of ESD-protected transceiver integrated circuits from Maxim Integrated. It is configured to meet the requirements of a full-duplex communication system such as RS-485 by combining an RS-485 driver and a RS-485/RS-422 receiver in a single package. This single package implementation provides for a lower component count requirement, lower voltage drop across devices, increased system reliability, and lower system cost.

The main application field of the MAX3488EEPA+ is the RS-485 industry standard for the highest performance, most cost-effective and reliable solution for full-duplex industrial serial communications. It is used for local and miscellaneous fieldbus and networking applications in areas such as building automation, industrial automation, portable data acquisition, process control and sensing.

This transceiver offers an extended operating temperature range, low sleep-mode power consumption, integrated charge-pump circuitry, and over-temperature protection. Additionally, the device supports up to 256 nodes and offers a configured speed up to 10 Mbps, making it ideal for high-speed RS-485 serial communications.

The MAX3488EEPA+ transceiver contains three integrated circuits in a single package. The first and second ICs are a driver IC, which is responsible for providing the driver-transmitter capability and a receiver IC, which is responsible for receiving the signaling data packets and providing a low-level output of the received data. The third IC is a low-power charge pump voltage converter, which provides the necessary supplies for the driver and receiver ICs.

The driver IC operates from a single 3.3 V or 5 V supply, and is designed to generate a differential voltage up to 15 V for data transmission. The receiver IC can accept differential pair inputs from -25 V to +25 V and generates a low-level output. The output is typically compatible with the receiver inputs of Schmitt Trigger or HCMOS Logic ICs.

The MAX3488EEPA+ transceiver is designed for minimum RF noise and EMI radiation. The driver circuit is provided with an in-line termination resistor of 120 ohms to eliminate emission of RF signals. The high-impedance state of the receiver inputs allows fast receiver “wake-up” time, while the in-line 130 ohms balanced line termination resistors on the receiver inputs help reduce EMI levels.

The MAX3488EEPA+ transceiver can be used in the differential mode or in the single-ended mode. The differential mode uses the pair of transmit (TX) and receive (RX) signals to transmit and receive data. In the single-ended mode, the device uses a single signal for transmit/receive functions. This single-ended mode requires the device to switch between the TX and RX signals in order to determine if a transmission or a reception is being performed.

The basic operating principle of the MAX3488EEPA+ transceiver is as follows. When the device is in single-ended mode, the control logic monitors the levels of TX and RX signals. During a transmission, the control logic turns off the receiver and drives TX signal with data. During a reception, the control logic turns off the transmitter and drives the RX signal with the data. When the device is in differential mode, the control logic monitors the differential pair of TX and RX signals. During a transmission, the control logic drives both TX and RX signals with the data. During a reception, the control logic drives both TX and RX signals with the received data.

Overall, the MAX3488EEPA+ transceiver is a highly reliable and cost-effective RS-485 transceiver used for various industrial serial communications systems. It offers an extended operating temperature range, low sleep-mode power consumption, integrated charge-pump circuitry, and over-temperature protection. It also supports up to 256 nodes and offers a configured speed up to 10 Mbps. Additionally, the device is compliant with EMC standards and offers a minimum RF noise and EMI radiation.

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