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ISL43640IR from INTERSIL

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ISL43640IR

Manufacturer: INTERSIL, INTERSIL,IN

Low-Voltage/ Single Supply/ 4 to 1 Multiplexer/ High Performance Analog Switch

Partnumber Manufacturer Quantity Availability
ISL43640IR INTERSIL, INTERSIL,IN 200 In Stock

Description and Introduction

Low-Voltage/ Single Supply/ 4 to 1 Multiplexer/ High Performance Analog Switch The ISL43640IR is a quad SPST (Single-Pole Single-Throw) analog switch manufactured by Intersil (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Configuration:** Quad SPST (4 independent switches)
- **Supply Voltage Range:** ±4.5V to ±20V (dual supply), +4.5V to +36V (single supply)
- **On-Resistance (RON):** 85Ω (typical) at ±15V supply
- **Charge Injection:** 10pC (typical)
- **Bandwidth:** 200MHz (typical)
- **Crosstalk:** -90dB (typical at 1MHz)
- **Off Isolation:** -90dB (typical at 1MHz)
- **THD (Total Harmonic Distortion):** 0.01% (typical at 1kHz)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 16-Lead QSOP (ISL43640IR)

### **Descriptions:**
- Designed for high-performance analog signal switching.
- Low distortion and high bandwidth make it suitable for audio, video, and data acquisition applications.
- Features break-before-make switching to prevent signal overlap.
- TTL/CMOS-compatible logic inputs for easy interfacing with digital systems.

### **Features:**
- Low on-resistance (85Ω typical).
- Wide supply voltage range (±4.5V to ±20V or +4.5V to +36V).
- High bandwidth (200MHz).
- Low charge injection (10pC).
- Excellent crosstalk and off-isolation performance.
- Break-before-make switching action.
- TTL/CMOS-compatible logic inputs.
- Pb-free and RoHS compliant.

This information is based on the manufacturer's datasheet and technical documentation. For detailed application-specific performance, refer to the official datasheet.

Application Scenarios & Design Considerations

Low-Voltage/ Single Supply/ 4 to 1 Multiplexer/ High Performance Analog Switch

Alternative Part Number

  • DG9431DQ-T1-E3 --: Analog switch in the same low-voltage SPDT class with comparable on-resistance and pinout, widely available and a common drop-in substitute for ISL43640IR.
  • MAX4544ESA+ --: Low-voltage SPDT analog switch with similar RON and supply range, functionally equivalent and easy to source as an alternative.
  • ADG849YKSZ-500RL7 --: Compact SPDT switch with comparable specifications and supply voltage, suitable as a functional replacement when the original is unavailable.
  • ADG736BRMZ --: Low-voltage dual SPDT analog switch with similar on-resistance and pin-compatible MSOP package, widely available and functionally equivalent.
  • TS5A23157DGSR --: Dual SPDT analog switch in small package with comparable Ron and supply range, good drop-in replacement for signal routing applications.
  • MAX4544ESA --: Low-voltage SPDT analog switch offering similar switching characteristics and supply voltage range, suitable alternative when layout allows SOIC.

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