Other Parts Discussed in Thread: OPA690 , DEM-OPA-SO-1A 工程师您好:我用OPA690实现了一个负电阻电路,在没有任何输入的情况下,给负电阻电路提供正负5V的供电电压,发现输出端的电压一会是3.773V,一会又变为-3.821V,这是什么原因呢? 在电路中反馈电阻R=46Ω,
Johnsin Tao你好!
这个是高速输出4A电流的光耦:Pin-compatible, drop-in upgrades for
popular high speed opto-coupled gate
drivers
Low power diode emulator simplifies
design-in process
0.6 and 4.0 Amp peak output drive
current
Rail-to-rail output…
Jingjing Li 说: 1. During the test, the chip was always broken occasionally and could not be used again. Please help me to analyze whether there was a problem in the peripheral circuit design.
Can you provide more detail. How was the test performed? Can…