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ISL43L840IR-T from INTERSIL

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ISL43L840IR-T

Manufacturer: INTERSIL, INTERSIL,IN

Ultra Low ON-Resistance, Low-Voltage, Single Supply, Dual 4 to 1 Analog Multiplexer

Partnumber Manufacturer Quantity Availability
ISL43L840IR-T,ISL43L840IRT INTERSIL, INTERSIL,IN 22000 In Stock

Description and Introduction

Ultra Low ON-Resistance, Low-Voltage, Single Supply, Dual 4 to 1 Analog Multiplexer The ISL43L840IR-T is a dual SPDT (Single Pole Double Throw) analog switch manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Configuration:** Dual SPDT (2-channel)  
- **Supply Voltage Range:** ±4.5V to ±20V (Dual Supply) or +4.5V to +20V (Single Supply)  
- **On-Resistance (RON):** 85Ω (Typical)  
- **On-Resistance Matching (ΔRON):** 5Ω (Typical)  
- **Charge Injection:** 10pC (Typical)  
- **Bandwidth (-3dB):** 50MHz (Typical)  
- **Crosstalk:** -80dB (Typical at 1MHz)  
- **Off Isolation:** -80dB (Typical at 1MHz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QFN  

### **Descriptions:**
- The ISL43L840IR-T is a high-performance, low-distortion analog switch designed for precision signal routing.  
- It is suitable for applications requiring low on-resistance, high bandwidth, and minimal signal distortion.  
- The device supports both single and dual power supply configurations.  

### **Features:**
- **Low On-Resistance:** Ensures minimal signal attenuation.  
- **Wide Supply Range:** Supports ±4.5V to ±20V (dual supply) or +4.5V to +20V (single supply).  
- **High Bandwidth:** 50MHz bandwidth for high-frequency signal switching.  
- **Low Charge Injection:** Reduces switching transients.  
- **Low Crosstalk & High Off Isolation:** Minimizes interference between channels.  
- **Break-Before-Make Switching:** Prevents signal overlap during switching.  
- **Pb-Free & RoHS Compliant:** Environmentally friendly.  

This device is commonly used in audio/video signal routing, test equipment, communication systems, and other precision analog switching applications.  

(Note: Always refer to the latest datasheet for updated specifications.)

Application Scenarios & Design Considerations

Ultra Low ON-Resistance, Low-Voltage, Single Supply, Dual 4 to 1 Analog Multiplexer

Alternative Part Number

  • TS5A23159DGSR --: Dual SPDT analog switch with low on-resistance and 1.65-5.5V operation, functionally similar to the ISL43L840 in a small package.
  • ADG884BRMZ --: Low-voltage dual SPDT switch with comparable Ron and fast switching, suitable drop-in replacement for signal routing applications.
  • MAX4624EUT+T --: Low-voltage single/dual SPDT analog switch offering similar low on-resistance and small footprint for portable designs.
  • DG2535EDN-T1-GE4 --: Dual SPDT analog switch with low on-resistance in a similar small package, a common drop-in replacement for the ISL43L840 family.

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