Analog and audio

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Dear community member, The “Analog and audio” topic is no longer supported on the ST community. The legacy content is available only by the read-only basis. If you have any requests regarding "Analog and audio”  topics, check the alternative support ...

How to connect a STA559BW to a speaker?

Posted on January 19, 2017 at 21:47I can not find the polarity for the default bridge connection (OCFG=00,  FFX1A -> OUT1A, FFX1B -> OUT1B, FFX2A -> OUT2A,FFX2BA -> OUT2B)On my test result, OUT1A and OUT2A should connect to the positive pole of spea...

Doge H by Associate
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TSH122ICT Video Amplifier not working

Posted on December 23, 2016 at 13:41Hi... ST Team...We are using TSH122ICT video amplifier with our designs. To amplify CVBS Output signal. But we are not getting any output at the TV. please let us know what may be the failure cause.Below is the ci...

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Resolved! TSV711/2/4 op-amp output resistor for stabilty

Posted on January 16, 2017 at 09:55What is the lowest value of series resistor that I can use to maintain stability of this amplifier. I would like to use a series resistor of 200R to 1K to a load that will have some variable capacitance. I need to ...

Internal processing sample rate in STA309A ?

Posted on January 03, 2017 at 03:43Hi, Recently,I use STA309A in my project doing some cross-over algorithms.On the first page of STA309A it says '192 kHz internal processing sample rate',is that to say when I feed 44.1K/88.2K/176.4K IIS signal into...

TSH122ICT Reference Design

Posted on December 23, 2016 at 11:48Hi,Could you please provide the reference design of TSH122ICT ? Also please share the layout guidelines for TSH122ICT. Regards,Azlum#tsh122ict

Azlum M by Associate
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Questions about STA311B

Posted on December 02, 2016 at 11:57Hi, Some quick questions about the STA311B. How does the quality of the clock at XTI affect the FFX output and ultimately performance of the system? Do you have any reference design, figures or charts showing pote...

Input Samplerate of STA309A

Posted on October 17, 2016 at 16:49Hey there, i have problems to choose the right input setting of the STA309A. My current input is I2S with 48 samples at 512*fs. The sites 22-25 of the datasheet are a bit confusing. In CONFA i can choose a MSC e.g....

schwimmen by Associate II
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TS391

Posted on November 09, 2016 at 00:22I am having trouble making this part work. Since is fairly simple. I was wondering of the top of your head what are some reasons the output does not change according to the voltages on the input pin (I'm using a p...

ayoung by Associate
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Impossible to record/capture from the MEMS microphones

Posted on April 16, 2015 at 10:36Hi, I've bought ''steval-mki126v1'' and ''steval-mki138v1'' evaluation boards (and ''Microphone Coupon Board steval-mki129v1'') . My goal is only to RECORD the signals coming to each microphone/channel (produce a WA...

TDA2003 Input sensitivity

Posted on October 19, 2016 at 10:41I found from the TDA2003 spec.that the input sensitivity is 55mv ( P0=6W,RL=4), what will happen if increasing the amplitute of input signal? And I want to control volume of amplifier , should I control the amplitu...