1Compact size, easy to install on most electric device. 2Made of high-quality electronic components, can maintain stable performance in harsh environments. 3Products used for: DAC: DAC0832 PCF8591 TL5615 MPC4822 TL561; Operational Amplifier: LM324 LM358 AD101 AD201, etc; ADC: ADC0809 MAX160 AD7705, etc. 4The product is suitable for replacement: AD584 LM399 LM4040 MC1403 LM326 AD637 AD584 5This product is suitable for DIY refitting your equipment, such as wifi, Sound audio, RS232 RS485 RS422 bus.