參數(shù)資料
型號(hào): UDA1345
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Economy audio CODEC
中文描述: 經(jīng)濟(jì)音頻CODEC
文件頁數(shù): 22/28頁
文件大小: 126K
代理商: UDA1345
2000 Apr 18
22
Philips Semiconductors
Preliminary specification
Economy audio CODEC
UDA1345TS
APPLICATION INFORMATION
The application information as given in Fig.9, is an optimum application environment. Simplification is possible at the cost
of some performance degradation. The following notes apply:
The capacitors at the output of the DAC can be reduced. It should be noted that the cut-off frequency of the DC filter
also changes.
The capacitors at the input of the ADC can also be reduced. It should be noted that the cut-off frequency of the
capacitor with the 12 k
input resistance of the ADC will also change.
h
MGS877
47
R30
C11
100
μ
F
(16 V)
C12
100
μ
F
(16 V)
VDDA
VDDD
L1
8LM32A07
L2
8LM32A07
3 V
ground
1
VSSA(ADC)
UDA1345TS
12
4
SYSCLK
Vref(A)
10
2
6
7
11
VDDD
VDDA(ADC)
VADCN
VADCP
VSSD
system
clock
18
DATAO
16
17
19
BCK
WS
overload
flag
9
MP1
C1
47
μ
F
(16 V)
3
VINL
26
VOUTL
R23
100
R22
10 k
24
VOUTR
R26
100
R27
10 k
C6
47
μ
F
(16 V)
5
VINR
DATAI
13
MP2
14
MP3
15
MP4
100 nF
(63 V)
R21
1
R24
C2
100
μ
F
(16 V)
C25
100
nF
(63 V)
C21
VDDA
C3
47
μ
F
(16 V)
C8
47
μ
F
(16 V)
C5
47
μ
F
(16 V)
C22
100
nF
(63 V)
28
Vref(D)
C4
47
μ
F
(16 V)
C23
100
nF
(63 V)
R28
10
10
VDDD
VSSO
27
VDDO
25
R25
1
C7
100
μ
F
(16 V)
C26
100 nF
(63 V)
VDDO
VDDA(DAC)
VSSA(DAC)
23
22
R29
1
C10
100
μ
F
(16 V)
C27
100 nF
(63 V)
VDDA
left
output
right
output
left
input
right
input
X5
X4
X2
X3
Fig.9 Application diagram.
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參數(shù)描述
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