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ST485ABDR
+BOMIC TRANSCEIVER HALF 1/1 8SO
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ManufacturerSTMicroelectronics
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Mfr. Part #ST485ABDR
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Datasheet ST485ABDR DataSheet
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Package 8-SOIC
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In Stock1506
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 70 mV |
| DataRate | 50Mbps |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
Equivalent
1. MAX485 by Maxim Integrated
2. SN75176B by Texas Instruments
3. ADM485 by Analog Devices
4. SP485 by MaxLinear
5. ISL83485 by Renesas
These alternatives offer similar functionalities and specifications, such as low power consumption, differential signaling, and compatibility with RS-485/RS-422 communication standards.
Features
1. Data Rate: Supports data transmission speeds up to 5 Mbps.
2. Supply Voltage: Operates from a supply voltage range of 4.75V to 5.25V.
3. Low Power Consumption: Offers low power operation with a supply current of typically 300 µA.
4. Wide Common Mode Range: Allows for differential signals over a wide range, enhancing noise immunity.
5. Short-Circuit Protection: Provides protection against short circuits on the bus lines.
6. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
7. ESD Protection: Features Electrostatic Discharge (ESD) protection for enhanced reliability.
8. Fail-Safe Receiver: Ensures a known output state when the bus is idle, open, or shorted.
9. Package: Available in SO-8 package, suitable for space-constrained applications.
These features make the ST485ABDR a robust solution for reliable data communication in electrically noisy environments.
Pinout
1. RO (Receive Output): Outputs the received data from the bus.
2. RE̅ (Receive Enable): Active-low input; enables the receiver output when low.
3. DE (Driver Enable): Controls the driver; when high, the driver is enabled.
4. DI (Driver Input): Data input for the driver.
5. GND: Ground reference for the device.
6. A (Non-inverting Driver Output / Receiver Input): One of the differential bus lines.
7. B (Inverting Driver Output / Receiver Input): The other differential bus line.
8. VCC: Supply voltage for the device.
The ST485ABDR is designed for balanced data transmission and is suitable for high-speed communication in industrial and commercial systems. It provides a way to transmit and receive data over long distances and in noisy environments.