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    Part Img MAX1487CSA datasheet by Maxim Integrated Products

    • Low-power, slew-rate-limited RS-485/RS-422 transceiver. Half-duplex. Data rate 2.5Mbps. Slew-rate limited - no. Low-power shutdown - no. Receiver/driver enable - yes. Quiescent current - 230 microA. Number of transmitter on bus - 128.
    • Original
    • No
    • No
    • Obsolete
    • EAR99
    • 8542.39.00.01
    • 8542.39.00.00
    • Find it at Findchips.com

    MAX1487CSA datasheet preview

    MAX1487CSA Frequently Asked Questions (FAQs)

    • The MAX1487CSA is a high-frequency device, and proper layout and placement are crucial for optimal performance. It is recommended to follow the layout guidelines provided in the datasheet, including keeping the input and output traces short and away from each other, using a solid ground plane, and placing the device close to the power supply.
    • The MAX1487CSA requires a proper bias voltage to operate correctly. Ensure that the VCC pin is connected to a stable 5V power supply, and the VEE pin is connected to a stable -5V power supply. Also, make sure that the input signals are within the recommended common-mode voltage range.
    • The MAX1487CSA is a high-speed RS-485 transceiver that can support data rates up to 10Mbps. However, the actual data rate may be limited by the system design, cable length, and noise environment.
    • The MAX1487CSA is designed to handle hot swapping and insertion/removal. However, it is recommended to follow proper hot-swapping procedures, such as ensuring that the power supply is stable and the input signals are within the recommended common-mode voltage range during insertion/removal.
    • The MAX1487CSA requires a termination scheme to ensure proper signal integrity. A 120Ω termination resistor is recommended at the far end of the cable, and a 220Ω pull-up resistor is recommended on the DE pin to ensure proper bus biasing.
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