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ISL4489EIBZ from INESIL,Intersil

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ISL4489EIBZ

Manufacturer: INESIL, INTESIL

Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers

Partnumber Manufacturer Quantity Availability
ISL4489EIBZ INESIL, INTESIL 400 In Stock

Description and Introduction

Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers The ISL4489EIBZ is a part manufactured by Intersil (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Description:**  
The ISL4489EIBZ is a low-power, single-supply, dual SPDT (Single Pole Double Throw) analog switch. It is designed for precision signal switching applications in portable and battery-powered systems.

### **Key Features:**  
- **Low Power Consumption:**  
  - Supply current: 0.5µA (typical)  
  - Wide supply voltage range: 1.8V to 5.5V  
- **Low On-Resistance:**  
  - 0.6Ω (typical) at 4.5V supply  
  - Flatness: 0.2Ω (typical)  
- **High Bandwidth:**  
  - 200MHz (-3dB)  
- **Fast Switching:**  
  - Turn-on time: 20ns  
  - Turn-off time: 15ns  
- **Break-Before-Make Switching:**  
  - Prevents signal shorting during transitions  
- **ESD Protection:**  
  - ±8kV (Human Body Model)  
- **Packaging:**  
  - 10-lead TDFN (3x3mm)  

### **Applications:**  
- Battery-powered devices  
- Portable medical equipment  
- Audio and video signal routing  
- Communication systems  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers

Alternative Part Number

  • MAX3485ESA+ --: Pin-compatible RS-485/RS-422 transceiver with similar data rate and supply voltage, widely available and well documented.
  • SN65HVD485EDR --: Industry-standard half-duplex RS-485 transceiver offering comparable performance and drop-in compatibility in most designs.
  • SP3485EN-L --: Low-power RS-485 transceiver with matching pinout and electrical characteristics, suitable as a cost-effective substitute.
  • SN75176BDR --: Industry-standard RS-485 differential bus transceiver in SOIC-8, functionally equivalent for most half-duplex RS-485 applications.

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