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STAC9752 bảng dữ liệu(PDF) 88 Page - Integrated Device Technology

tên linh kiện STAC9752
Giải thích chi tiết về linh kiện  TWO-CHANNEL, 20-BIT, AC??7 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
PDF  95 Pages
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nhà sản xuất  IDT [Integrated Device Technology]
Trang chủ  http://www.idt.com
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STAC9752 bảng dữ liệu(HTML) 88 Page - Integrated Device Technology

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STAC9752/9753
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
IDT™
88
STAC9752/9753
REV 3.3 1206
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
12.3. Filter/References
These signals are connected to resistors, capacitors, or specific voltages.
12.4. Power and Ground Signals
Table 34. Filtering and Voltage References
Signal Name
Pin Number
Type
Description
VREF
27
O
Analog ground (0.45 * Vdd, at 5 V; or 0.41 * Vdd at 3 V)
VREFOUT
28
O
Reference Voltage out 5 mA drive (intended for microphone
bias) (~Vdd/2)
AFILT1
29
O
Anti-Aliasing Filter Cap - ADC left channel
AFILT2
30
O
Anti-Aliasing Filter Cap - ADC right channel
CAP2
32
O
ADC reference Cap
Table 35. Power and Ground Signals
Pin Name
Pin #
Type
Description
AVdd1
25
I
Analog Vdd = 5.0 V or 3.3 V
AVdd2
38
I
Analog Vdd = 5.0 V or 3.3 V
AVss1
26
I
Analog Gnd
AVss2
42
I
Analog Gnd
DVdd1
1
I
Digital Vdd = 3.3 V
DVdd2
9
I
Digital Vdd = 3.3 V
DVss1
4
I
Digital Gnd
DVss2
7
I
Digital Gnd



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