YSS915 Datasheet, PDF (7/32 Pages) YAMAHA CORPORATION – Karaoke Processor 2 for Video disc player

YSS915
3. Analog audio interface
MICIN, ADC1, ADC2, AOL, AOR, VREF
This LSI has a one channel (MIC input) of Delta-Sigma type A/D converter, thus requiring the external circuits as
described below.
The output of AOL and AOR can be used as a direct signal from the microphone because the volume of the signal is
controlled as analog signal which is outputted from AOL and AOR.
Analog input section
Other section
ti
Analog output section
KP2V2
VREF
MIC
MICIN
AOL
AOL
ADC1
AOR
AOR
ADC2
AVSS
AVDD
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