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ALC5642R-VF-CG 数据表(PDF) 22 Page - Realtek Semiconductor Corp.

部件名 ALC5642R-VF-CG
功能描述  Multi-Channel Audio Hub/CODEC
Download  156 Pages
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制造商  REALTEK [Realtek Semiconductor Corp.]
网页  https://www.realtek.com/en/
标志 REALTEK - Realtek Semiconductor Corp.

ALC5642R-VF-CG 数据表(HTML) 22 Page - Realtek Semiconductor Corp.

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ALC5642-VF
Datasheet
Multi-Channel Audio Hub/CODEC with embedded Voice
DSP and SounzReal
TM Digital Sound Effect
10
Rev. 0.93
6.3. Filter/Reference
Table 3.
Filter/Reference
Name
Type
Pin
Description
Characteristic Definition
MICBIAS1
O
4
Bias voltage output for microphone
Programmable analog DC output
VREF1
O
11
First internal reference voltage
4.7uF capacitor to analog ground
VREF2
O
12
Second internal reference voltage
4.7uF capacitor to analog ground
HPOFB
-
25
Headphone reference ground
Headphone ground
CPN1
-
21
First charge pump bucket capacitor
2.2uf capacitor to CPP1
CPP1
-
20
First charge pump bucket capacitor
2.2uf capacitor to CPN1
CPN2
-
18
Second charge pump bucket capacitor
2.2uf capacitor to CPP2
CPP2
-
19
Second charge pump bucket capacitor
2.2uf capacitor to CPN2
Total: 8 Pins
6.4. Power/Ground
Table 4.
Power/Ground
Name
Type
Pin
Description
Characteristic Definition
MICVDD
P
3
Analog power for MICBIAS
3.0V ~ 3.3V (Default 3.3V is recommended)
AVDD
P
15
Analog power
1.71V ~ 1.9V (Default 1.8V is recommended)
DACREF
P
10
Analog power
1.71V ~ 1.9V (Default 1.8V is recommended)
AGND
P
9
Analog ground
CPVDD
P
23
Analog power for headphone charge
pump
1.71V ~ 1.9V (Default 1.8V is recommended)
CPGND
P
22
Analog ground for headphone charge
pump
CPVEE
P
27
Charge pump negative voltage output
2.2uf capacitor to analog ground
CPVPP
P
24
Charge pump positive voltage output
2.2uf capacitor to analog ground
DCVDD
P
42
Digital power for digital core.
Kept open if LDO1_EN is pulled high, or
connected to external 1.2V power.
1.15V~1.3V
(Default open is recommended. Pull high
LDO1_EN to DBVDD to general 1.2V
DCVDD by internal LDO. It can be connected
to external 1.2V if LDO1_EN is pulled low.)
DBVDD
P
43
Digital power for digital I/O buffer
1.71V~3.3V (Default 1.8V is recommended)
SPKVDDL
P
2
Speaker AMP power for left channel
3.0V~5.0V (Default 5V or 3.3V)
SPKVDDR
P
46
Speaker AMP power for right channel
3.0V~5.0V (Default 5V or 3.3V)
SPKGND/
DGND
P
49*
Speaker AMP ground
Digital ground
Exposed-Pad
Total: 12 Pins


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