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DIO1521 Datasheet(PDF) 4 Page - DIOO MICROCIRCUITS CO., LTD

Part # DIO1521
Description  2-Channel Exchange Switch
PDF  12 Pages
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Manufacturer  DIOO [DIOO MICROCIRCUITS CO., LTD]
Direct Link  https://www.dioo.com/#/
Logo DIOO - DIOO MICROCIRCUITS CO., LTD

DIO1521 Datasheet(HTML) 4 Page - DIOO MICROCIRCUITS CO., LTD

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DIO1521
Version 1.0, Oct 2024
www.dioo.com
© 2024 DIOO MICROCIRCUITS CO., LTD.
1
1. Pin Assignment and Functions
Figure 1. QFN1.8*1.4-10 (Top view)
Pin Name
Description
VCC
Power supply
GND
Ground
EN
Enable pin. Active high
SEL
Switch selection.
Low = SBU1 to SENSE, SBU2 to MIC;
High = SBU1 to MIC, SBU2 to SENSE
SBU1, SBU2
Common terminal
SENSE
Audio ground reference output
MIC
Microphone signal
NC
No connection
Table 1. Truth table
EN Pin
SEL Pin
Function
Low
Low
All OFF
Low
High
All OFF
High
Low
SBU1 to SENSE, SBU2 to MIC
High
High
SBU1 to MIC, SBU2 to SENSE



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