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CS4237B Datasheet(PDF) 100 Page - Cirrus Logic |
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CS4237B Datasheet(HTML) 100 Page - Cirrus Logic |
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100 / 114 page  RAUX1 - Right Auxiliary #1 Input Nominally 1 VRMS max analog input for the Right AUX1 channel, centered around VREF. A programmable gain block provides volume control and is located in I3. Typically used for an external Right line-level input. LAUX2 - Left Auxiliary #2 Input Nominally 1 VRMS max analog input for the Left AUX2 channel, centered around VREF. A programmable gain block provides volume control and is located in I4. Typically used for the Left channel CDROM input. RAUX2 - Right Auxiliary #2 Input Nominally 1 VRMS max analog input for the Right AUX2 channel, centered around VREF. A programmable gain block provides volume control and is located in I5. Typically used for the Right channel CDROM input. CMAUX2 - Common Mode Auxiliary #2 Input Common mode ground input for the LAUX2 and RAUX2 inputs. Typically connected to the CDROM ground input to provide common-mode noise rejection. The impedance on this pin should be one half the impedance on the LAUX2 and RAUX2 inputs. MIN - Mono Input Nominally 1 VRMS max analog input, centered around VREF, that goes through a programmable gain stage (I26) into both channels of the output mixer. This is a general purpose mono analog input that is normally used to mix the typical "beeper" signal on most computers into the audio system. Analog Outputs LOUT - Left Line Level Output Analog output from the mixer for the left channel. Nominally 1 VRMS max centered around VREF. This pin needs a 1000 pF NPO capacitor attached and tied to analog ground. ROUT - Right Line Level Output Analog output from the mixer for the Right channel. Nominally 1 VRMS max centered around VREF. This pin needs a 1000 pF NPO capacitor attached and tied to analog ground. MOUT - Mono Output MOUT is nominally 1 VRMS max analog output, centered around VREF. This output is a summed analog output from both the left and right output channels of the mixer. MOUT typically is connected to a speaker driver that drives the internal speaker in most computers. In MODE2, MOM in I26 mutes both channels going into MOUT. In MODE 3, MOM in I26 mutes the left channel and MOMR in X5 mutes the right channel. DS213PP4 CS4237B 100 |
Similar Part No. - CS4237B |
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Similar Description - CS4237B |
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