CMI9738 Datasheet: 4-Channel Audio Codec





CMI9738 4-Channel Audio Codec Datasheet

Part Number CMI9738
Description 4-Channel Audio Codec
Manufacture C-Media Electronics
Total Page 30 Pages
PDF Download Download CMI9738 Datasheet PDF

Features: www.DataSheet4U.com CMI 9738 Integrated Multi-channel AC‘97 CMI9738 4CH Audi o Codec Preliminary Alongside offering standard Specification LQFP 48pin 1. Description and Overview Versatility CM I9738 is a 4CH AC97 CODEC, applicable f or currently mainstream MB chipsets of Intel, VIA, Ali, and SIS. CMI9738 is id eal for PC2001-compliant desktops, note books, and home entertainment PCs where high-quality audio is a must. 4CH Play back The specially-designed 4CH hardwar e architecture of CMI9738 allows all ty pes of south bridge to playback 4CH aud io, thus helping commonplace south brid ge get rid of the limitation of 2CH aud io playback capability (patent pending both in Taiwan and United States). Cost -effectiveness packaging option, CMI973 8 also offers SOP 24pin packaging, whic h helps to further cut the cost. More A udio Option Last but not least, CMI9738 provides Sensaura® 3D audio option. b eyond general expectation. In that rega rd, the audio quality of CMI9738 is fabulous Features „Intel AC’.

Keywords: CMI9738, datasheet, pdf, C-Media Electronics, 4-Channel, Audio, Codec, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute, Equivalent

www.DataSheet4U.com
CMI 9738
Integrated Multi-channel AC‘97
CMI9738 4CH Audio Codec
1. Description and Overview
Preliminary
Specification
Versatility
CMI9738 is a 4CH AC97 CODEC, applicable for
Alongside offering standard LQFP 48pin
packaging option, CMI9738 also offers SOP
currently mainstream MB chipsets of Intel, VIA, 24pin packaging, which helps to further cut the
Ali, and SIS. CMI9738 is ideal for
PC2001-compliant desktops, notebooks, and
home entertainment PCs where high-quality
cost.
More Audio Option
Last but not least,
CMI9738
provides
audio is a must.
4CH Playback
The specially-designed
4CH
hardware
Sensaura® 3D audio option. In that regard,
the audio quality of CMI9738 is fabulous
beyond general expectation.
architecture of CMI9738 allows all types of south
bridge to playback 4CH audio, thus helping Features
commonplace south bridge get rid of the
limitation of 2CH audio playback capability
„Intel AC’97 Rev 2.2 compatible
„AC-Link Protocol compliance
(patent pending both in Taiwan and United
„Full-Duplex Codec
States).
„Earphone Buffer
Cost-effectiveness
„Line-in/rear out share jack capability
As to the cost concern, CMI9738 integraDteastatShheeet4U.com
„4 channels DAC
earphone buffer, analog CD differential interface,
„48 LQFP Package and 24-Lead TSSOP
and analog switch for rear channel audio to
Line-in. Simply by using 0.1uf decoupling
Package
capacitor, CMI9738 meets PC2001 frequency
„ Meet Microsoft’s PC2001 requirements
„ Sensaura® 3D Enhancement(optional)
response requirements.
DataShee
Pin Block Diagram
37
38
39
40
41
42
NC
AVdd2
REAR_OUT_L
TEST0#
REAR_OUT_R
43 AVss2
44
45
46
47
48
NC
NC
RESERVED
RESERVED
NC
NC
U2
CMI9738-LQFP-48
LINE_IN_R
LINE_IN_L
NC
MIC1
CD_R
CD_GND
CD_L
NC
NC
AUX_IN_R
AUX_IN_L
NC
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
SDATA_IN
SYNC
4
5
6
7
8
RESET#
AUX_IN_L
AUX_IN_R
CD_L
CD_GND
9
10
11
12
CD_R
MIC1
LINE_IN_L
LINE_IN_R
VREF_OUT
BIT_CLK
SDATA_OUT
XTL_OUT
XTL_IN
DVsdd
Vss
TEST0#
AVdd
LINE_OUT_R
LINE_OUT_L
XADCHR
XADCHL
24
23
22
21
20
19
18
17
16
15
14
13
DataSheet4UC.c-MomEDIA Electronics Inc.
6F, 100, Sec. 4, Civil Boulevard, Taipei, Taiwan, R.O.C. 106
TEL: 886-2-8773-1100 FAX: 886-2-8773-2211 E-mail:sales@cmedia.com.tw
DataSheet4 U .com
Revision Date Apr./2002
Revision 1.1

                    
                    






Index : 0  1  2  3   4  5  6  7   8  9  A  B   C  D  E  F   G  H  I  J   K  L  M  N   O  P  Q  R   S  T  U  V   W  X  Y  Z
@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)