需要给运放提供正负电压,由+5V产生-5V 用什么电源芯片或电路好??? |
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由+5V产生-5V 用什么电源芯片或电路好???

3楼
7660s
Applications
•Simple Conversion of +5V to±5V Supplies
•Voltage Multiplication VOUT =±nVIN
•Negative Supplies for Data Acquisition Systems andInstrumentation
•RS232 Power Supplies
•Supply Splitter, VOUT =±VS/2
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