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MAX481ESA+ from MAX,MAXIM - Dallas Semiconductor

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MAX481ESA+

Manufacturer: MAX, MAXIM

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

Partnumber Manufacturer Quantity Availability
MAX481ESA+,MAX481ESA MAX, MAXIM 1079 In Stock

Description and Introduction

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The MAX481ESA+ is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX481ESA+  
- **Package:** 8-SOIC (150mil)  
- **Supply Voltage Range:** +4.5V to +5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Interface Type:** RS-422/RS-485  
- **Low Power Consumption:**  
  - **Shutdown Current:** 0.1µA (typical)  
  - **Operating Current:** 120µA (unloaded, no load)  
- **ESD Protection:** ±15kV (Human Body Model)  

### **Descriptions:**  
The MAX481ESA+ is a low-power, slew-rate-limited transceiver designed for RS-485 and RS-422 communication. It features a single driver and receiver, making it suitable for half-duplex applications. The device includes a low-power shutdown mode and is optimized for high-speed data transmission up to 2.5Mbps.  

### **Features:**  
- Low-power RS-485/RS-422 transceiver  
- Slew-rate-limited for reduced EMI  
- Half-duplex communication  
- Shutdown mode with ultra-low current consumption (0.1µA)  
- Driver maintains high impedance when disabled or powered off  
- Thermal shutdown protection  
- Compatible with RS-485 and RS-422 standards  
- ESD protection on bus pins (±15kV)  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

Alternative Part Number

  • SN75176BDR --: Industry-standard RS-485/RS-422 transceiver in SOIC-8, pin-compatible with MAX481 and widely available as a lower-cost second source.
  • ADM485ARZ --: RS-485 transceiver in SOIC-8 with equivalent driver/receiver functionality and similar supply range, a well-established alternative.
  • SP485ECN-L --: RS-485 transceiver in SOIC-8 with comparable performance and pinout, offering a cost-effective drop-in option.
  • ST485CDR --: RS-485/RS-422 transceiver in SOIC-8 with similar electrical characteristics and a distinct part-number series.

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