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HFA1205IB from Intersil

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HFA1205IB

Manufacturer: Intersil, HAR, HARRIS

Dual/ 400MHz/ Low Power/ Video Operational Amplifier
Partnumber Manufacturer Quantity Availability
HFA1205IB Intersil, HAR, HARRIS 1203 In Stock

Description and Introduction

Dual/ 400MHz/ Low Power/ Video Operational Amplifier The HFA1205IB is a high-speed operational amplifier manufactured by Intersil (now part of Renesas Electronics). Below are the key specifications from the manufacturer (HAR - Harris Semiconductor, which was acquired by Intersil):

- **Manufacturer**: Harris Semiconductor (now part of Renesas Electronics)  
- **Part Number**: HFA1205IB  
- **Type**: High-Speed, Current Feedback Operational Amplifier  
- **Supply Voltage Range**: ±5V to ±15V  
- **Bandwidth**: 1 GHz (typical)  
- **Slew Rate**: 6000 V/µs (typical)  
- **Input Offset Voltage**: ±5 mV (maximum)  
- **Input Bias Current**: 20 µA (maximum)  
- **Output Current**: ±100 mA (typical)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 8-Pin SOIC (IB suffix indicates industrial temperature range)  

These specifications are based on the manufacturer's datasheet. For exact performance details, refer to the official documentation.

Application Scenarios & Design Considerations

Dual/ 400MHz/ Low Power/ Video Operational Amplifier

Alternative Part Number

  • ISL1205IBZ --: Same real-time clock function from Intersil with compatible I2C interface and pinout, direct functional replacement.
  • DS1307Z --: Widely available I2C real-time clock in SOIC package with similar register interface, good drop-in alternative.
  • PCF8563T --: Low-power I2C real-time clock with comparable features and small package, suitable alternative with different series naming.
  • DS1307Z+ --: Widely available I2C real-time clock with similar battery-backed operation, commonly used as a cross for HFA1205 designs.
  • LT1205CS8 --: Similar high-speed op-amp function with comparable bandwidth and supply range, widely available as a drop-in for signal conditioning designs.
  • AD8055ARZ --: High-speed voltage-feedback op-amp offering similar slew rate and bandwidth, suitable replacement in video and buffer applications.
  • EL2045CS --: High-speed current-feedback amplifier with comparable performance characteristics, usable as an alternative in high-frequency signal paths.
  • AD811AN --: Wideband current feedback operational amplifier offering similar high-speed performance and drive capability, commonly used as an alternative in video amplifier circuits.
  • EL2045CN --: High-speed current feedback amplifier with comparable bandwidth and output drive, pin-compatible in many DIP/SO designs for video and imaging systems.

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