• HA1-4900-2 CDIP-16
HA1-4900-2 CDIP-16


Comparator Quad ±15V/30V 16-Pin CDIP


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Overview of HA1-4900-2

The HA1-4900-2 is a precision, high-performance operational amplifier designed for a wide range of applications in electronic circuits. This op-amp features low offset voltage, low input bias current, and high open-loop gain, making it ideal for precision signal processing tasks.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • V-: Inverting Input
  • V+: Non-Inverting Input
  • VCC+: Positive Power Supply
  • VCC-: Negative Power Supply
  • OUT: Output
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the implementation of the HA1-4900-2 op-amp in a typical signal processing circuit.

Key Features

  • Precision Performance: The HA1-4900-2 offers high precision with low offset voltage and low input bias current, ensuring accurate signal processing.
  • Wide Bandwidth: With a high gain bandwidth product, this op-amp is suitable for applications requiring high-frequency response.
  • Low Noise: The HA1-4900-2 features low noise characteristics, making it suitable for low-noise signal amplification.
  • High Slew Rate: This operational amplifier provides a high slew rate for fast signal response and precise signal amplification.
  • Wide Supply Range: Operates from a dual power supply with flexible voltage requirements, suitable for various circuit designs.

Note: For detailed technical specifications, please refer to the HA1-4900-2 datasheet.


  • Signal Conditioning: Ideal for signal conditioning tasks such as amplification, filtering, and buffering in electronic circuits.
  • Instrumentation: Suitable for precision instrumentation applications requiring accurate signal amplification and processing.
  • Audio Processing: The HA1-4900-2 can be used in audio applications for high-fidelity signal amplification and filtering.


The HA1-4900-2 operational amplifier provides high precision and performance for a wide range of signal processing tasks, ensuring accurate and reliable operation in electronic circuits.

Usage Guide

  • Power Supply: Connect the positive and negative power supplies (VCC+ and VCC-) to the appropriate voltage levels.
  • Input Connections: Connect the input signals to the non-inverting (V+) and inverting (V-) input pins for signal processing.
  • Output Handling: The output pin provides the amplified signal output for further processing or utilization.

Frequently Asked Questions

Q: What is the input offset voltage of the HA1-4900-2?
A: The HA1-4900-2 has a low input offset voltage of typically 100µV, ensuring accurate signal processing.

Q: Is the HA1-4900-2 suitable for audio amplifier applications?
A: Yes, the HA1-4900-2's low noise and high precision make it ideal for audio amplifier applications requiring high-quality sound reproduction.


For similar functionalities, consider these alternatives to the HA1-4900-2:

  • OPA227: A precision operational amplifier offering similar performance and characteristics to the HA1-4900-2, suitable for precision signal processing.
  • LT1028: This high-performance op-amp provides low noise and high precision for critical signal processing applications, comparable to the HA1-4900-2.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pkg. Type CERDIP Carrier Type Tube
MOQ 200

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