STM32 MCUs products

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STM32F3 Opamp needed guidance

Posted on January 30, 2013 at 11:16In an application using the STM32F3xx, I am using the OPAMP in PGA mode to amplify an external 1 kHz signal to the ADC converter. The signal is provided AC coupled to the OPAMP non-inverting input. If I program the...

melchor by Associate II
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OPAMP1 in STM32L151 how to turn on ?

Posted on January 17, 2013 at 06:15Hello  everybody !How to turn on OPAMP1 in STM32L151 ?Under debug (I use Keil + Ulink)   I see the content of OPAMP_CSR register.  All bits are 0 after the reset of the processor.  But according to datasheet, after...

STM32F3xx opamp input bias?

Posted on October 13, 2012 at 06:49Input bias current is not listed, so I don't know how to size a resistor divider for use with the STM32F3xx series. Has anybody measured it? Is it hiding in a datasheet I haven't found?Thanks!-Sasha #opamp