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DA7217 Datasheet(PDF) 11 Page - Dialog Semiconductor

Part # DA7217
Description  Ultra-Low Power Stereo Codec
PDF  171 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7217 Datasheet(HTML) 11 Page - Dialog Semiconductor

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DA7217
Ultra-Low Power Stereo Codec
Datasheet
Revision 2.5
01 Sep 2016
CFR0011-120-00
11 of 171
© 2016 Dialog Semiconductor
Pin No.
Pin Name
Type (Table 2)
Description
Supplies
B8
VDD
AI
Main analog supply
A13
VDD_MIC
AI
Supply for MICBIAS LDO
C5
VDD_IO
AI
Supply for digital interface and LDO
B2
GND_CP
AI
Ground reference
B10
GND
AI
Ground reference
Table 2: Pin Type Definition
Pin Type
Description
Pin Type
Description
DI
Digital Input
AI
Analog Input
DO
Digital Output
AO
Analog Output
DIO
Digital Input/Output
AIO
Analog Input/Output
DIOD
Digital Input/Output open drain
SPU
Switchable pull-up resistor
PU
Fixed pull-up resistor
SPD
Switchable pull-down resistor
PD
Fixed pull-down resistor
4.1
Input Pins
4.1.1
MIC1_P (DMIC1CLK)
MIC1_P is the positive differential input for the first analog microphone channel. It can be used as a
single-ended input (see Figure 8).
Alternatively for digital microphones, MIC1_P is used to provide a clock output.
4.1.2
MIC1_N (DMIC1IN)
MIC1_N is the negative differential input for the first analog microphone channel. It can be used as a
single-ended input.
Alternatively for digital microphones and active noise cancelling (ANC) applications, MIC1_N is used
as a pulse density modulated (PDM) data input.
4.1.3
MIC2_P (DMIC2CLK)
MIC2_P is the positive differential input for the second analog microphone channel. It can be used as
a single-ended input.
Alternatively for digital microphones, MIC2_P is used to provide a clock output.
4.1.4
MIC2_N (DMIC2IN)
MIC2_N is the negative differential input for the second analog microphone channel. It can be used
as a single-ended input.
Alternatively for digital microphones and ANC applications, MIC2_N is used as a PDM data input.
4.1.5
MCLK
MCLK is the master clock input pin. It is used as the main system clock either directly or via the PLL.



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