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ISL83491IB from INTERSIL,IN,Intersil

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ISL83491IB

Manufacturer: INTERSIL,IN

3.3V/ Low Power/ High Speed or Slew Rate Limited/ RS-485/RS-422 Transceivers

Partnumber Manufacturer Quantity Availability
ISL83491IB INTERSIL,IN 100 In Stock

Description and Introduction

3.3V/ Low Power/ High Speed or Slew Rate Limited/ RS-485/RS-422 Transceivers The ISL83491IB is a high-speed, low-power RS-485/RS-422 transceiver manufactured by Intersil (now part of Renesas Electronics).  

### **Specifications:**  
- **Supply Voltage:** 3.3V or 5V operation  
- **Data Rate:** Up to 20Mbps  
- **Number of Drivers/Receivers:** 1 driver, 1 receiver  
- **Operating Temperature Range:** -40°C to +85°C  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Shutdown Current:** <1µA  
  - **Supply Current (Active):** 1.5mA (max)  
- **Half-Duplex Operation**  
- **Bus I/O Protection:** ±15kV (IEC61000-4-2 Air Gap Discharge), ±8kV (Contact Discharge)  
- **Package:** 8-lead SOIC  

### **Descriptions and Features:**  
- Designed for high-speed RS-485/RS-422 communication in industrial applications.  
- Supports fail-safe receiver operation (ensures logic-high output with open or shorted inputs).  
- Low EMI emissions and high noise immunity.  
- 1/8-unit load allows up to 256 transceivers on a single bus.  
- Thermal shutdown protection.  
- Compatible with 3.3V and 5V logic levels.  

This transceiver is commonly used in industrial automation, building control, and point-of-sale systems.

Partnumber Manufacturer Quantity Availability
ISL83491IB INTERSIL 489 In Stock

Description and Introduction

3.3V/ Low Power/ High Speed or Slew Rate Limited/ RS-485/RS-422 Transceivers The ISL83491IB is a high-speed, low-power RS-485/RS-422 transceiver manufactured by Intersil (now part of Renesas Electronics).  

### **Specifications:**  
- **Supply Voltage:** 3.3V or 5V  
- **Data Rate:** Up to 20Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half/Full Duplex:** Half Duplex  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Shutdown Current:** <1µA  
  - **Supply Current (No Load):** 900µA (Typical)  

### **Descriptions & Features:**  
- Designed for high-speed bidirectional data communication on multipoint bus transmission lines (RS-485/RS-422).  
- Features slew-rate-limited drivers to reduce EMI and signal reflections.  
- Supports up to 256 nodes on a bus.  
- Includes fail-safe circuitry ensuring a logic-high receiver output when inputs are open or shorted.  
- Available in an industrial-grade temperature range (-40°C to +85°C).  
- Offered in an 8-pin SOIC package.  

For detailed datasheets, refer to the official Renesas Electronics documentation.

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