LM321A-TR is a Replacement parts of
LM321MFX/NOPB
LM321A-TR 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. :
LM321A-TRManufacturer :
3peakDescription :
36V General Purpose Operational AmplifiersPackaging :
ReelPackage :
SOT-23-5Stock :
in stockPrice :
$0.05-$0.12
LM321A-TR
| Price: | $0.05-$0.12 | $0.2-$0.25 |
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Replace parts:
Replacement parts:
Alternative parts:
Pin to pin parts:
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LM321A-TR |
LM321MFX/NOPB
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The LM321A-TR from 3peak and the LM321MFX/NOPB from Texas Instruments (TI) are both single operational amplifiers designed for general-purpose applications. These amplifiers are commonly used in signal conditioning, voltage amplification, and analog processing. While both products offer similar functionalities, the LM321A-TR provides several key advantages, particularly in terms of power efficiency, precision, and cost-effectiveness, making it a more favorable choice for many modern applications.
The LM321A-TR operates within a supply voltage range of 3V to 32V (single supply) or ±1.5V to ±16V (dual supply), offering a typical supply current of 100 µA. This makes the LM321A-TR ideal for low-power applications where energy efficiency is critical, such as battery-powered devices and energy-sensitive systems.
In comparison, the LM321MFX/NOPB from Texas Instruments also operates in a similar supply voltage range, from 3V to 32V, but its typical supply current is around 200 µA. The higher supply current results in greater power consumption, making the LM321A-TR a better choice for applications where minimizing power usage is essential. The LM321A-TR's lower current consumption offers a significant advantage in energy efficiency.
The LM321A-TR features a low input offset voltage of 5 mV, which is suitable for most general-purpose applications that require accurate signal amplification. This low offset helps to maintain precision and stability in signal processing, making it ideal for analog sensing, signal conditioning, and control systems.
In comparison, the LM321MFX/NOPB offers a typical input offset voltage of 6 mV, which is slightly higher than that of the LM321A-TR. While this difference may not significantly affect most general applications, the LM321A-TR's lower input offset voltage ensures higher accuracy and greater reliability in sensitive applications requiring precise voltage amplification.
The LM321A-TR demonstrates a low noise density of 20 nV/√Hz at 1 kHz, ensuring minimal noise interference in the output signal. This feature is essential for applications where signal clarity and low noise are important, such as audio systems, sensors, and medical instrumentation.
On the other hand, the LM321MFX/NOPB has a typical voltage noise density of 30 nV/√Hz at 1 kHz. While this noise performance is still within acceptable limits for many applications, the LM321A-TR's superior noise performance ensures cleaner signals in noise-sensitive environments, making it the better choice for designs requiring low-noise operation.
The LM321A-TR from 3peak is designed to operate in a temperature range of -40°C to +125°C, making it well-suited for industrial and automotive applications that require reliable performance under extreme temperature conditions. Its wide temperature range ensures that it will function stably even in environments with significant temperature fluctuations.
The LM321MFX/NOPB from Texas Instruments operates within a temperature range of -40°C to +85°C, which is narrower than the LM321A-TR's range. While the LM321MFX/NOPB can handle most general-purpose applications, it may not be suitable for high-temperature or extreme environmental conditions. The LM321A-TR offers greater reliability in harsh environments, ensuring stable performance even under demanding conditions.
The LM321A-TR provides a PSRR of 100 dB, which allows it to effectively reject noise from the power supply, ensuring that fluctuations in the power supply do not significantly affect the amplifier's performance. This is particularly beneficial for applications that involve power supply noise or voltage fluctuations, such as sensor interfaces or automotive electronics.
In comparison, the LM321MFX/NOPB has a PSRR of 80 dB, which is still good but not as efficient at rejecting power supply noise as the LM321A-TR. The LM321A-TR's higher PSRR provides better immunity to power supply noise, making it more suitable for designs where signal integrity is critical and where power supply noise could impact performance.
The LM321A-TR from 3peak comes in a small, compact package with options such as SOT-23 and SOIC-8, allowing for easy integration into space-constrained designs. Its small footprint and multiple package options provide flexibility for designers who need to save board space while maintaining high performance.
The LM321MFX/NOPB from Texas Instruments is also available in a small package, such as SOIC-8. However, it does not offer the same level of packaging flexibility as the LM321A-TR, which can be an advantage in designs where compact size and space optimization are key considerations. The LM321A-TR's versatile packaging options make it easier to integrate into a wide range of applications.
The LM321A-TR from 3peak is positioned as a cost-effective solution that offers excellent performance at a competitive price. For designers seeking high-performance operational amplifiers with low power consumption, high precision, and reliable operation, the LM321A-TR provides excellent value for money.
In comparison, the LM321MFX/NOPB from Texas Instruments is generally priced higher due to the brand recognition and market presence of TI. While it is a reliable option, the LM321A-TR offers comparable performance with a lower price point, making it a more attractive choice for cost-conscious designers looking for high-quality components at a better value.
In conclusion, both the LM321A-TR from 3peak and the LM321MFX/NOPB from Texas Instruments are capable single operational amplifiers suitable for a range of applications. However, the LM321A-TR offers several advantages:
Lower power consumption, ensuring better energy efficiency in battery-powered and energy-sensitive designs.
Lower input offset voltage, resulting in better accuracy for signal amplification.
Superior noise performance, ensuring cleaner output signals in noise-sensitive applications.
A wider temperature range, providing greater reliability in industrial and automotive applications.
Higher power supply rejection ratio (PSRR), providing better performance in power-noise environments.
Cost-effective pricing, offering better value for high-quality performance.
The LM321A-TR stands out as the superior option for cost-effective, high-precision, and low-power applications, making it an ideal choice over the LM321MFX/NOPB from Texas Instruments for most modern designs.
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