ALC202 查看數據表（PDF） - Unspecified
零件编号
产品描述 (功能)
生产厂家
ALC202 Datasheet PDF : 29 Pages
| |||
Avance Logic, Inc.
ALC202
CD-L
I
CD-GND
I
CD-R
I
MIC1
I
MIC2
I
LINE-L
I
LINE-R
I
LINE-OUTL O
LINE-OUTR O
HP-OUT-L
O
HP-OUT-R
O
MONO-OUT O
18
CD audio Left channel
Analog input (1Vrms)
19
CD audio analog GND
Analog input (1Vrms)
20
CD audio Right channel
Analog input (1Vrms)
21
First Mic input
Analog input (1Vrms)
22
Second Mic input
Analog input (1Vrms)
23
Line input Left channel
Analog input (1Vrms)
24
Line input Right channel
Analog input (1Vrms)
35
Line-Out Left channel
ALC202: Analog output without op-amp (1.0Vrms)
ALC202A: Analog output with op-amp (1.4Vrms)
36
Line-Out Right channel
ALC202: Analog output without op-amp (1.0Vrms)
ALC202A: Analog output with op-amp (1.4Vrms)
39
Headphone Out – Left (ALC202) ALC202: Analog output with op-amp
True-LINE-Out-Left (ALC202A) ALC202A: Analog output without op-amp
41
Headphone Out – Left (ALC202) ALC202: Analog output with op-amp
True-LINE-Out-Left (ALC202A) ALC202A: Analog output without op-amp
37
Speaker Phone output
Analog output (1Vrms)
2.3 Filter/References: 7 pins
Name
VREF
VREFOUT
AFILT1
AFILT2
VRAD
VRDA
Type
O
Pin No
27
28
29
30
31
32
Description
Reference voltage
Ref. voltage out with 8mA drive
ADC anti-aliasing filter capacitor
ADC anti-aliasing filter capacitor
ADC reference voltage capacitor
DAC reference voltage capacitor
Characteristic Definition
1uf capacitor to analog ground
Analog output (2.25V – 2.75V)
1000pf capacitor to analog ground.
1000pf capacitor to analog ground.
1uf capacitor to analog ground
1uf capacitor to analog ground
2.4 Power/Ground: 8 pins
Name
AVDD1
AVDD2
AVSS1
AVSS2
DVDD1
DVDD2
DVSS1
DVSS2
Type
I
I
I
I
I
I
I
I
Pin No
25
38
26
42
1
9
4
7
Description
Analog VDD (5.0V or 3.3V)
Analog VDD (5.0V or 3.3V)
Analog GND
Analog GND
Digital VDD (3.3V)
Digital VDD (3.3V)
Digital GND
Digital GND
Characteristic Definition
2.5 Others: 1 pin
Name
TEST
NC
Type
O
Pin No
48
33,40,34
Description
Output DAC clock and ADC clock
No Connection.
Characteristic Definition
Digital pin shared with SPDIFO
2.6 Crystal (Clock) Source Selection: 1 pin
Name
Type Pin No
Description
Characteristic Definition
XTLSEL
I
46a
Crystal Selection
Internal pull high by a 50K resistor.
¶XTLSEL:
XTLSEL=floating, the clock source is 24.576MHz crystal or external clock. (Default)
XTLSEL=pull low, select 14.318MHzà24.576MHz digital PLL
The default state of MX7A.15 if power on latched inversely from XTLSEL.
-3-
Rev0.62
http://www.realtek.com.tw
Preliminary
Share Link: 