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MAX1487ECSA
+BOMRS-485/RS-422 TRANSCVR
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ManufacturerAnalog Devices Inc./Maxim Integrated
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Mfr. Part #MAX1487ECSA
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Datasheet MAX1487ECSA DataSheet
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Package SOIC-8
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In Stock7346
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Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Active |
Overview
Description
Key features of the MAX1487ECSA include a wide common-mode voltage range, which enhances its noise immunity and allows for reliable communication over long distances. It also offers a low quiescent current, improving power efficiency, and has a thermal shutdown feature for protection against overheating. The device operates from a single +5V supply and offers a fail-safe feature that guarantees a logic-high output when the receiver inputs are open or shorted.
Designed in an 8-pin SOIC package, the MAX1487ECSA is compact and easy to integrate into existing systems. Its robust electrostatic discharge (ESD) protection further ensures durability and reliable performance in harsh environments. This transceiver is widely used in applications such as industrial automation, process control, and HVAC systems.
Equivalent
1. Texas Instruments SN75176B
2. Texas Instruments MAX485
3. Analog Devices ADM485
4. STMicroelectronics ST485
5. Exar SP485E
These alternatives share similar features such as a low power consumption, operation over a similar voltage range, and suitability for RS-485/RS-422 communication protocols. Always check datasheets for specific performance and compatibility needs.
Features
1. Low Power Consumption: Designed for efficient energy usage, making it suitable for battery-operated applications.
2. High-Speed: Capable of data rates up to 250 kbps, facilitating fast data transfer.
3. Extended ESD Protection: Ensures reliability with electrostatic discharge protection, enhancing device robustness.
4. Wide Supply Voltage Range: Operates from a single 5V supply.
5. Driver/Receiver Protection: Internal driver and receiver enable pins ensure safe operation and device protection.
6. Full-Duplex Communication: Allows simultaneous two-way data transmission.
7. Extended Temperature Range: Suitable for industrial environments with a wide operational temperature range.
8. Industry-Standard Pinout: Compatible with existing RS-485/RS-422 networks, easing integration.
9. Slew Rate Limited Driver: Reduces EMI (electromagnetic interference) by controlling the rate of voltage change.
These features make the MAX1487ECSA ideal for industrial automation, building automation, and other applications requiring reliable data transmission over long distances.
Pinout
1. RO (Receive Output): Outputs the data received by the receiver.
2. RE (Receive Enable): Active-low pin to enable or disable the receiver.
3. DE (Driver Enable): Controls the driver output, with logic high enabling the driver.
4. DI (Driver Input): Accepts the data to be transmitted by the driver.
5. GND: Ground reference for the device.
6. A (Non-Inverting Driver Output / Receiver Input): One of the differential bus lines for RS-485 communication.
7. B (Inverting Driver Output / Receiver Input): The other differential bus line for RS-485 communication.
8. VCC: Power supply pin for the device.
The IC features reduced power consumption and enhanced ESD protection, making it suitable for robust data communication applications.