Zhongwei Aixin: Launches an nA‑level series of low‑power operational amplifiers.

Zhongwei Aixin: Launches an nA‑level series of low‑power operational amplifiers.


Introduction

In battery-powered applications such as portable instruments, wireless sensing, medical electronics, and smart homes, low power consumption, long battery life, and compact form factors have become essential requirements. Zhongwei Aixin is proudly launching… nA A class‑leading ultra‑low‑power operational amplifier, featuring nanoampere‑level quiescent current, wide supply‑voltage compatibility, and rail‑to‑rail performance, offers a preferred domestically produced solution for low‑voltage, low‑power systems.

 

Product model

Zhongwei Aixin nA Class operation amplifier coverage AiP862x、AiP864x Two major series, with quiescent current both below 1 μA , truly achieving ultra-low-power operation:

AiP862x Series: Quiescent Current 350–380 nA/CH , gain-bandwidth product 5kHz , ultra-low power consumption, and compatible with ultra‑low‑frequency signal conditioning.

AiP864x Series: Quiescent Current 670–700 nA/CH , bandwidth allocation 15kHz/100kHz Two modes, balancing low power consumption with response speed.

The Nana low-power operational amplifier series features ultra-low quiescent current, low offset, and input… / With rail-to-rail output characteristics and performance parameters that directly rival those of leading international brands, it is a reliable choice for domestic substitution.

 

Key parameters

Operating voltage: 1.4V–5.5V

Quiescent current: 700 nA / CH (MAX)

Gain Bandwidth: 5 kHz / 15 kHz / 100 kHz

Input Offset Voltage: 2.5mV(MAX)

Rail-to-rail: Input / Rail-to-rail output

Output short-circuit current: 23mA

Turn-off current: typical with enable 8nA

 

Product Advantages

1. Wide voltage compatibility, battery-friendly

Operating voltage 1.4V–5.5V It supports multiple power supply options, including button cells, lithium batteries, and dry-cell batteries, ensuring stable performance without dropping the connection even in low-voltage environments.

2. Rail-to-rail input /  Output

Both input and output are rail-to-rail, maximizing signal swing to prevent clipping distortion and fully leveraging the dynamic range even at low supply voltages.

3. Balancing precision and drive performance

Input offset voltage ≤2.5mV , low-frequency signal amplification is precise and reliable.

Output short-circuit current 23mA , with strong load‑driving capability, it is compatible with most sensors and downstream circuits.

4. Complete channels and packaging

Single offer / Double /  Four-channel, with /  Enablement-free and flexibly optional.

Coverage SOT23‑5 、MSOP8、 DFN8 For miniaturized packages, save PCB Space, optimized for high-density layouts.

 

Application areas

Portable healthcare: continuous glucose monitoring, handheld diagnostic devices, and low-power medical sensor front-ends.

Wireless sensing: IoT nodes, environmental monitoring, temperature and humidity / Atmospheric pressure /  Soil sensor signal conditioning.

Smart terminals: smartwatches, TWS , battery-powered devices such as remote controls, smoke detectors, and smart door locks.

Industrial Low Power: Low-Frequency Data Acquisition, Battery-Powered Instruments, Energy harvesting System signal amplification.

 

Conclusion

Zhongwei Aixin nA A low‑power operational amplifier that delivers nanoamp‑level power consumption, rail‑to‑rail performance, wide supply‑voltage compatibility, and an extensive range of options—making it the ideal choice for battery‑powered and ultra‑low‑power systems. With even lower current draw, it extends battery life and ushers in a new era of energy‑efficient IoT connectivity!

Colleague We provide reliable supply, comprehensive technical support, and cost-effective solutions, helping customers streamline their designs, enhance system reliability, and seamlessly achieve domestic substitution for imported components.

 

 

(Source: Zhongwei Aixin official website)

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