Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Mingjiada Electronics, as a leading global electronic component recycling and supply company, has been purchasing amplifier chips from major semiconductor brands for a long time, covering multiple categories such as operational amplifiers, current sensing amplifiers, radio frequency amplifiers, and instrumentation amplifiers.

Below are the main brands and amplifier chip types purchased by Mingjiada Electronics:  

1. TI  

Operational amplifiers: such as OPA855QDSGRQ1 (8GHz gain bandwidth, suitable for automotive lidar).

Current sense amplifiers: such as INA2181A4QDGSRQ1 (automotive-grade, supporting bidirectional current sensing).  

RF amplifiers: including RF FDA (fully differential amplifiers), RF VGA (variable gain amplifiers), and RF gain modules (such as TI's THS4541-Q1).

2. ADI  

High-speed operational amplifiers: such as ADA4891-4WARUZ (1.5GHz bandwidth, four-channel rail-to-rail).  

Low-noise JFET operational amplifiers: such as LT1793CS8 (picoamp bias current, suitable for high-impedance sensors).  

Precision instrumentation amplifiers: used for medical and industrial signal conditioning.

3. Diodes  

Operational amplifiers: such as the APX/ASX series (general-purpose, low-power, high-precision).  

Comparators: suitable for power management and signal detection.

4. Novosense  

Automotive-grade operational amplifiers: compliant with AEC-Q100 standards, used in automotive BMS (battery management systems) and motor control.

5. Samsung

Audio amplifier ICs: Used in consumer electronics, smart speakers, etc.

6. Other brands

ROHM: Low-noise operational amplifiers, power amplifiers.

Microchip: Operational amplifiers with integrated ADCs (e.g., MCP6V01).

[Acquisition Process]  

List submission: Send brand, model, package type, quantity, and batch number via email/WeChat  

10-minute quotation: Professional evaluation team provides real-time pricing  

Logistics pickup: Available in Hong Kong, Shenzhen, or mainland China for same-day pickup  

On-site payment: Supports instant settlement in RMB, HKD, or USD

[Contact Information]

Mr. Chen | +86 13410018555  

Email: sales@hkmjd.com  

Website: www.hkmjd.com