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SSM2163 Folha de dados(PDF) 6 Page - Analog Devices

Nome de Peças SSM2163
Descrição Electrónicos  Digitally Controlled 8 x 2 Audio Mixer
PDF  16 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

SSM2163 Folha de dados(HTML) 6 Page - Analog Devices

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SSM2163
REV. 0
–6–
PIN DESCRIPTION
Pin #
Mnemonic
Function
1
DGND
Digital Ground.
2VSS
Digital Negative Supply.
3
DATA OUT
Serial data output clocked on positive clock edge. Connect DATA OUT to DATA IN pin to
daisy-chain multiple SSM2163s. Output levels are VDD to DGND.
4VDD
Digital Positive Supply.
5VIN1
Audio Signal Input 1.
6
NC (Shield)
Shield Pin. Should be tied to AGND to minimize crosstalk.
7VIN3
Audio Signal Input 3.
8
NC (Shield)
Shield Pin. Should be tied to AGND to minimize crosstalk.
9VIN5
Audio Signal Input 5.
10
VCC
Analog Positive Supply.
11
VIN7
Audio Signal Input 7.
12
VEE
Analog Negative Supply.
13
ACOM
Analog Common Voltage. Provides a buffered voltage output halfway between VCC and VEE for use
as a pseudo ground in single supply applications.
14
VOUTL
Left Audio Output.
15
VOUTR
Right Audio Output.
16
VIN8
Audio Signal Input 8.
17
AGND
Analog Ground.
18
VIN6
Audio Signal Input 6.
19
NC (Shield)
Shield Pin. Should be tied to AGND to minimize crosstalk.
20
VIN4
Audio Signal Input 4.
21
NC (Shield)
Shield Pin. Should be tied to AGND to minimize crosstalk.
22
VIN2
Audio Signal Input 2.
23
NC (Shield)
Shield Pin. Should be tied to AGND to minimize crosstalk.
24
LD
Load Data.
25
WRITE
Write Data.
26
CLK
Clock.
27
Data In
Serial Data Input. Clocked on positive clock edge.
28
SYSTEM MUTE
Mutes all eight input channels thus left and right audio output are muted. System mute does not
change the state of internal latches. All digital data remains intact after system mute is applied.
Logic One: Mutes Output
Logic Zero: Normal Operation
DATA
ATTENUATION
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
0dB
–1dB
–2dB
–61dB
–62dB
–63dB
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
INPUT CHANNEL 1
INPUT CHANNEL 2
INPUT CHANNEL 3
INPUT CHANNEL 4
INPUT CHANNEL 5
INPUT CHANNEL 6
INPUT CHANNEL 7
INPUT CHANNEL 8
DATA MODE
ADDRESS MODE
DATA
ADDRESS
SELECTION
X = “DON’T CARE," SHADED AREA IS DATA
MSB
LSB
MSB
LSB
X
X
X
X
X
X
X
X
R
I
G
H
T
L
E
F
T
OUTPUT SELECT
1 = SELECTED, 0 = NOT SELECTED
INPUT SELECT
0
0
0
0
1
1
1
1
Figure 3. Address and Data Decoding Truth Table



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