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參數(shù)資料
| 型號(hào)： | ALC202 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:100; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:22-35 RoHS Compliant: No |
| 中文描述： | AC\u0026#39;97音頻編解碼器 |
| 文件頁數(shù)： | 3/29頁 |
| 文件大小： | 598K |
| 代理商： | ALC202 |
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Preliminary
Avance Logic, Inc.
ALC202
-
3 -
Rev0.62
http://www.realtek.com.tw
CD-L
CD-GND
CD-R
MIC1
MIC2
LINE-L
LINE-R
LINE-OUTL
I
I
I
I
I
I
I
18
19
20
21
22
23
24
35
CD audio Left channel
CD audio analog GND
CD audio Right channel
First Mic input
Second Mic input
Line input Left channel
Line input Right channel
Line-Out Left channel
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
ALC202: Analog output without op-amp (1.0Vrms)
ALC202A: Analog output with op-amp (1.4Vrms)
ALC202: Analog output without op-amp (1.0Vrms)
ALC202A: Analog output with op-amp (1.4Vrms)
ALC202: Analog output with op-amp
ALC202A: Analog output without op-amp
ALC202: Analog output with op-amp
ALC202A: Analog output without op-amp
Analog output (1Vrms)
O
LINE-OUTR
O
36
Line-Out Right channel
HP-OUT-L
O
39
Headphone Out – Left (ALC202)
True-LINE-Out-Left (ALC202A)
Headphone Out – Left (ALC202)
True-LINE-Out-Left (ALC202A)
Speaker Phone output
HP-OUT-R
O
41
MONO-OUT
O
37
2.3 Filter/References: 7 pins
Name
Type
Pin No
VREF
VREFOUT
O
AFILT1
AFILT2
VRAD
VRDA
Description
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
27
28
29
30
31
32
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
2.4 Power/Ground: 8 pins
Name
Type
AVDD1
I
AVDD2
I
AVSS1
I
AVSS2
I
DVDD1
I
DVDD2
I
DVSS1
I
DVSS2
I
Pin No
25
38
26
42
1
9
4
7
Description
Characteristic Definition
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
2.5 Others: 1 pin
Name
TEST
NC
Type
O
Pin No
48
33,40,34
Description
Characteristic Definition
Digital pin shared with SPDIFO
Output DAC clock and ADC clock
No Connection.
2.6 Crystal (Clock) Source Selection: 1 pin
Name
Type
Pin No
XTLSEL
I
46a
Crystal Selection
XTLSEL:
XTLSEL=floating, the clock source is 24.576MHz crystal or external clock. (Default)
XTLSEL=pull low, select 14.318MHz
à
24.576MHz digital PLL
The default state of MX7A.15 if power on latched inversely from XTLSEL
.
Description
Characteristic Definition
Internal pull high by a 50K resistor.
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