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MAX3081ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX3081ESA

Manufacturer: MAXIM

Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers

Partnumber Manufacturer Quantity Availability
MAX3081ESA MAXIM 17 In Stock

Description and Introduction

Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX3081ESA is a 3.3V-powered, ±15kV ESD-protected, 20Mbps, half-duplex RS-485/RS-422 transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage:** 3.3V ±10%  
- **Data Rate:** Up to 20Mbps  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  
- **Package:** 8-pin SOIC (MAX3081ESA)  
- **Low Power Shutdown Mode:** 0.1µA (typical)  
- **Receiver Input Impedance:** ≥12kΩ  
- **Driver Output Current:** ±50mA (short-circuit protected)  

### **Descriptions:**
The MAX3081ESA is designed for high-speed RS-485/RS-422 communication in industrial, automotive, and telecom applications. It features robust ESD protection, making it suitable for harsh environments. The device operates at 3.3V, ensuring compatibility with low-voltage systems while maintaining high-speed data transmission.  

### **Features:**
- **High-Speed Operation:** Supports data rates up to 20Mbps.  
- **Enhanced ESD Protection:** ±15kV on bus pins (A, B, Y, Z).  
- **Low Power Consumption:** 0.5mA (typical) supply current.  
- **Fail-Safe Receiver:** Ensures logic-high output when inputs are open, shorted, or idle.  
- **Hot-Swap Input Structure:** Prevents false transitions during power-up.  
- **Short-Circuit Protection:** Driver outputs are protected against short circuits.  
- **Wide Common-Mode Range:** ±12V for robust noise immunity.  
- **Industrial Temperature Range:** Operates from -40°C to +85°C.  

The MAX3081ESA is ideal for applications requiring high-speed, noise-immune communication with minimal power consumption.

Application Scenarios & Design Considerations

Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers

Alternative Part Number

  • SN75176BDR --: Industry-standard RS-485/RS-422 transceiver in SOIC-8, pin-compatible with MAX3081ESA and widely available as a drop-in replacement.
  • ADM485ARZ --: Low-power RS-485 transceiver in SOIC-8 with similar data rate and supply range, a well-established alternative from a different series.
  • ST485BDR --: RS-485/RS-422 transceiver in SOIC-8 offering comparable performance and pinout, suitable as a cost-effective substitute.
  • SN65HVD3082EDR --: Pin-compatible RS-485 transceiver with similar 1Mbps data rate and 8-pin SOIC package, widely available and cost-effective.
  • SP3481EN --: RS-485 transceiver in 8-pin SOIC with comparable speed and supply voltage, direct functional replacement from a different series.
  • ISL8485EIBZ --: RS-485/RS-422 transceiver with similar electrical characteristics and 8-pin SOIC footprint, suitable drop-in alternative.

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