參數(shù)資料
型號: LC89057W-VF4
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, SQFP-48
文件頁數(shù): 57/61頁
文件大?。?/td> 570K
代理商: LC89057W-VF4
LC89057W-VF4
No.7202-60/61
12. Application Example
12.1 Basic Connection Diagram
Connect a de-coupling capacitance (0.1 F) as close as possible to the power supply pin. Use a ceramic capacitor with
high-frequency characteristics for this capacitance.
Use a capacitor with a low temperature coefficient for the PLL loop filter.
Table 12.1 Recommended Circuit Parameters (
: See Section 9.1.1)
Element Symbol
Recommended parameter
Application
Remark
Cc
0.1
F
Power supply de-coupling
Ceramic capacitor
Rp
10k
Function setting register
Cl
1pF to 33pF
Quarts resonator load
Ceramic capacitor with NP0 characteristics
Rf
1M
Oscillation amplifier feedback
Rd
220
Oscillation amplifier current limit
Ci
0.1
F
Coaxial input DC cut
Ceramic capacitor
Ri
75
Coaxial input termination
C0
PLL loop filter
C1
PLL loop filter
R0
PLL loop filter
21
SLRCK
22
ADIN
23
RLRCK
24
RDATA
RE
RR
INT
C
KST
A
UDIO/VO
37
DO
38
DI
39
CE
RX
0
EM
PH
A/U
O
DGND
DV
DD
X
IN
40
CL
41
XMODE
42
43
DVDD
44
TXO/PIOEN
45
TMCK/PIO0
RX
3
RX
1
DGND
DV
DD
RX
6
/UI
12
17
RBCK
18
DGND
19
DVDD
20
SBCK
46
TBCK/PIO1
47
48
XOU
T
XM
C
K
DGND
14
15
16
13
LPF
11
10
9
8
7
6
5
4
3
2
1
35
36
33
34
31
32
29
30
27
28
25
26
LC89057W-VF4
DGND
RX
OUT
RX
2
RX
4
RX
5
/V
I
AVDD
AGND
RMCK
TLRCK/PIO2
TDATA/PIO3
DGND
Microcontroller
24.576MHz / 12.288MHz
C0
A/D
DSP
A/D
DSP
D/A
C1
Rf
Cc
Chip address settng
Demodulation function
Master/slave setting
Modulation/general-purpose
I/O function selection
Rp
Optical Input
Cl
R0
Coaxial Input
Ri
Ci
* For how to use the RX1, see section 9.2.
Rd
DV
DD
DV
DD
Microcontroller
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