Chinese chips

CA-IS3621LW Reinforced Low‐emissions Digital Isolators

CA-IS3621LW is a Replacement parts of 

Si88221BC-AS/Si88221BD-AS

/ISOW7821FDWE/ISOW7821FDWER

 

CA-IS3621LW has good quality and a cheaper price, which can effectively help you reduce costs and make your products more competitive. In addition, we have sufficient supply and stable price of this parts, which can greatly help you to avoid problems such as price increases and parts shortages of similar products from other brands.  

 

 

  • Mfr.Part No. :

    CA-IS3621LW
  • Manufacturer :

    Chipanalog
  • Description :

    Reinforced Digital Isolators with Integrated high‐efficiency, Low‐emissions DC‐DC Converter
  • Packaging :

    Reel
  • Package :

    SOIC16
  • Stock :

    in stock
  • Price :

    $1.30-$1.95

 

CA-IS3621LW

 

Price: $1.30-$1.95 $8.5-$9.8
Replace parts:
Replacement parts:
Alternative parts:
Pin to pin parts:
CA-IS3621LW
Si88221BC-AS
Si88221BD-AS
ISOW7821FDWE
ISOW7821FDWER

 

 

 

CA-IS3621LW vs. Competitors: A Professional Comparison

The CA-IS3621LW from Union Semiconductor is a high-performance isolated amplifier with advanced signal isolation capabilities designed for precision monitoring and protection in industrial applications. In this analysis, we compare the CA-IS3621LW against Si88221BC-AS, Si88221BD-AS, ISOW7821FDWE, and ISOW7821FDWER to highlight its key advantages in accuracy, isolation performance, power efficiency, and overall system reliability.


CA-IS3621LW vs. Si88221BC-AS / Si88221BD-AS

The Si88221BC-AS and Si88221BD-AS from Silicon Laboratories are isolators designed for data communication and power management applications. While both devices offer high isolation voltage (up to 2500 Vrms), the CA-IS3621LW outperforms these models in signal fidelity and accuracy.

One of the key advantages of the CA-IS3621LW is its lower total harmonic distortion (THD), which allows for cleaner signal transmission. In contrast, the Si88221 series tends to exhibit higher THD, which can impact the accuracy of the signal, especially in sensitive measurement systems. This makes the CA-IS3621LW ideal for applications where signal integrity is crucial, such as high-precision industrial monitoring.

Additionally, the CA-IS3621LW features better linearity across a wider range of operational conditions, ensuring consistent performance even under high-voltage transients. The Si88221 series, while adequate for many applications, can experience performance degradation when exposed to high power spikes, making the CA-IS3621LW a more reliable solution for mission-critical systems.


CA-IS3621LW vs. ISOW7821FDWE / ISOW7821FDWER

The ISOW7821FDWE and ISOW7821FDWER from Texas Instruments are isolated power and data devices that offer isolated signal and power conversion. While these devices are well-suited for low-power applications, the CA-IS3621LW offers several distinct advantages in terms of performance and accuracy.

The CA-IS3621LW provides superior isolation voltage of up to 2500 Vrms, similar to the ISOW7821 series, but it also delivers enhanced accuracy in signal conversion. The ISOW7821FDWE series, while effective at handling isolated power transfer, does not provide the same signal precision as the CA-IS3621LW. The CA-IS3621LW is particularly advantageous in applications where signal integrity and high-accuracy measurement are essential, such as in industrial control systems and sensitive data monitoring.

Another significant benefit of the CA-IS3621LW is its low latency and minimal signal degradation over time, which ensures consistent performance throughout its operational life. In contrast, the ISOW7821FDWE and ISOW7821FDWER may experience some signal attenuation or delayed response in high-speed data transmission scenarios, which can be critical in real-time monitoring applications.


Key Advantages of CA-IS3621LW

  • Superior Signal Accuracy: The CA-IS3621LW delivers better signal fidelity and lower total harmonic distortion (THD) compared to the Si88221 and ISOW7821 series, making it ideal for high-precision applications such as voltage monitoring and data acquisition.

  • High Isolation Voltage: The CA-IS3621LW offers 2500 Vrms isolation, ensuring greater protection against transients and voltage spikes, which is critical in high-voltage industrial environments.

  • Improved Linearity and Performance: The CA-IS3621LW provides better linearity over a wider operating range, maintaining consistent performance even under challenging conditions.

  • Low Latency and Minimal Signal Degradation: The CA-IS3621LW has faster response times and lower signal attenuation, ensuring more reliable and real-time data transmission compared to the ISOW7821 series.


Conclusion

 

The CA-IS3621LW offers exceptional performance and reliability when compared to the Si88221BC-AS, Si88221BD-AS, ISOW7821FDWE, and ISOW7821FDWER. Its superior accuracy, high isolation voltage, and low signal distortion make it the preferred choice for applications that demand high-performance isolation, such as industrial control systems, precision monitoring, and real-time data transmission. With its better linearity, lower latency, and minimal signal degradation, the CA-IS3621LW ensures optimal signal integrity and consistent performance, making it the most reliable solution for mission-critical applications in harsh environments.

 

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