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IL256AT from INFINEON

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IL256AT

Manufacturer: INFINEON, VISHAY

Optocoupler, Phototransistor Output, AC Input, With Base Connection

Partnumber Manufacturer Quantity Availability
IL256AT INFINEON, VISHAY 7200 In Stock

Description and Introduction

Optocoupler, Phototransistor Output, AC Input, With Base Connection The IL256AT is a digital potentiometer manufactured by Vishay. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Vishay  
- **Type:** Digital Potentiometer  
- **Resistance Range:** 10 kΩ, 50 kΩ, 100 kΩ (varies by model)  
- **Number of Taps:** 256  
- **Interface:** Up/Down (U/D) or SPI (varies by model)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP, SOIC  

### **Descriptions:**  
- The IL256AT is a digitally controlled potentiometer (DCP) that replaces mechanical potentiometers.  
- It provides 256 tap points for precise resistance adjustment.  
- Available in different resistance values (e.g., 10 kΩ, 50 kΩ, 100 kΩ).  
- Operates with a simple up/down interface or SPI for digital control.  

### **Features:**  
- **Non-volatile Memory:** Some models retain settings when power is off.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **High Resolution:** 256 tap points for fine adjustment.  
- **Wide Voltage Range:** Operates from 2.7V to 5.5V.  
- **Compact Package:** Available in TSSOP and SOIC for space-constrained designs.  

For exact model-specific details, refer to the Vishay datasheet.

Application Scenarios & Design Considerations

Optocoupler, Phototransistor Output, AC Input, With Base Connection

Alternative Part Number

  • HCPL-2531 --: Dual-channel optocoupler with similar CTR and isolation ratings, widely used as a direct functional replacement for the IL256AT in signal isolation circuits.
  • PC817 --: Single-channel phototransistor optocoupler with comparable forward current and isolation voltage, suitable for general-purpose isolation where channel count is not critical.
  • TLP281-4 --: Quad-channel phototransistor optocoupler offering similar CTR and isolation performance, useful when multiple isolated channels are needed in one package.
  • H11L1 --: Optocoupler with similar logic-output function and DIP-6 package, widely used as a direct functional substitute.
  • 6N137 --: High-speed logic-output optocoupler in DIP-8, commonly used where IL256AT-type isolation is required.
  • TLP2361 --: Logic-output photocoupler with comparable isolation and speed characteristics, suitable as an alternative.

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