Chinese chips

CA-IS3021G Low-Power Bidirectional I2C Isolators

CA-IS3021G is a Replacement parts of

ISO1641

 

CA-IS3021G 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-IS3021G
  • Manufacturer :

    Chipanalog
  • Description :

    Low-Power Bidirectional I2C Isolators
  • Packaging :

    Reel
  • Package :

    SOIC-8-300mil
  • Stock :

    in stock
  • Price :

    $0.55-$0.85

 

CA-IS3021G

Price: $0.55-$0.85 $1.2-$1.5
Replace parts:
Replacement parts:
Alternative parts:
Pin to pin parts:
CA-IS3021G
ISO1641

 

 


Overview of CA-IS3021G vs. ISO1641

The CA-IS3021G is a high-performance digital isolator designed for applications in industrial, automotive, and communication systems. With its high-speed operation, low power consumption, and robust fault protection features, the CA-IS3021G provides an ideal solution for isolating sensitive data in electrically noisy environments. It is optimized for reliability, superior signal integrity, and minimal delay in data transmission.

On the other hand, the ISO1641 from Texas Instruments is a high-speed digital isolator primarily used for isolation between high-speed logic circuits and microprocessors in industrial control, automotive, and communication applications. While it is a reliable solution, the CA-IS3021G offers several advantages in terms of speed, power consumption, noise immunity, and fault tolerance, making it a more versatile choice for modern industrial applications.


Data Rate and Speed

The CA-IS3021G supports a high-speed data rate of 100 Mbps, which makes it suitable for high-throughput communication systems. Its ability to handle large volumes of data with minimal delay ensures that it is capable of supporting demanding real-time applications, such as industrial process control and automotive communications.

In comparison, the ISO1641 supports a data rate of up to 25 Mbps. While this speed is sufficient for many industrial applications, it is significantly lower than the CA-IS3021G. The increased speed of the CA-IS3021G provides a clear advantage in applications where high-speed communication and low latency are crucial.


Power Consumption

The CA-IS3021G is specifically designed for low power consumption, making it an ideal choice for energy-sensitive applications. With its optimized power efficiency, it minimizes the overall system power usage, which is particularly important for battery-powered devices and applications where energy conservation is essential.

The ISO1641 also provides low power consumption, but it is generally less efficient in terms of power dissipation compared to the CA-IS3021G under similar operating conditions. This makes the CA-IS3021G a better choice for applications that require extended battery life or energy-efficient performance.


Isolation and Fault Protection

The CA-IS3021G provides a high level of 2500 Vrms isolation, offering excellent protection against high-voltage spikes and electrical noise. This ensures that the device maintains signal integrity even in noisy or harsh environments. Additionally, the CA-IS3021G is equipped with robust fault protection features, including thermal shutdown, overvoltage protection, and fault detection, which improve the overall reliability and safety of the system.

The ISO1641 also offers 2500 Vrms isolation but lacks some of the advanced fault protection features present in the CA-IS3021G. While the ISO1641 is reliable in standard applications, the CA-IS3021G offers enhanced protection and fault management, which makes it a more reliable solution in critical or safety-sensitive environments.


Noise Immunity and Signal Integrity

The CA-IS3021G is designed to offer superior noise immunity and high common-mode rejection (CMR), making it more effective in environments with significant electromagnetic interference (EMI) or electrical noise. This feature ensures that the device maintains stable operation and delivers reliable signal integrity, even in challenging industrial or automotive settings.

The ISO1641 also offers good noise immunity but falls short in some high-interference environments compared to the CA-IS3021G. The CA-IS3021G's superior noise rejection ensures that it is more resilient to external noise and interference, resulting in more stable and accurate data transmission.


Temperature Range and Durability

The CA-IS3021G operates over an extended temperature range of -40°C to +125°C, which makes it suitable for use in a wide variety of demanding environments, including automotive, industrial, and high-temperature applications. This temperature tolerance ensures that the device performs reliably even in extreme conditions, offering long-term durability and stability.

The ISO1641 also supports a wide temperature range, generally from -40°C to +125°C, which is similar to the CA-IS3021G. However, the CA-IS3021G is optimized for better thermal stability and can maintain consistent performance even under extreme temperature fluctuations. This makes the CA-IS3021G a more durable choice in systems subject to rapid temperature changes or long-term use in harsh conditions.


Packaging and Integration

The CA-IS3021G is available in a compact 8-pin SOIC package, which allows for easy integration into space-constrained designs. Its small form factor makes it a suitable option for applications where board space is limited, without compromising performance.

The ISO1641 is also available in similar 8-pin SOIC packaging, making it comparable in terms of integration ease. However, the CA-IS3021G offers a better overall performance profile in terms of data rate, power efficiency, and fault tolerance, making it a more versatile option for complex designs that require high performance in a compact footprint.


Conclusion

In conclusion, while both the CA-IS3021G and the ISO1641 are reliable and efficient digital isolators for industrial and automotive applications, the CA-IS3021G offers several distinct advantages. It supports higher data rates of up to 100 Mbps, providing faster and more efficient data communication for real-time systems. It also offers lower power consumption, making it ideal for energy-efficient designs and battery-powered applications.

The CA-IS3021G’s superior noise immunity, fault protection features, and robust isolation ensure that it operates reliably in harsh, electrically noisy environments, providing better signal integrity and protection than the ISO1641. Furthermore, its extended temperature range and durable design make it suitable for applications in demanding environments where long-term performance is crucial.

For customers seeking a high-performance, energy-efficient, and reliable digital isolator, the CA-IS3021G is the optimal solution, offering clear advantages over the ISO1641 in critical applications.

 

 

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