參數(shù)資料
型號: LC89057W-VF4-E
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
文件大小: 355K
代理商: LC89057W-VF4-E
LC89057W-VF4-E
No. 7202-60/61
11 Application Example
11.1 Basic Connection Diagram
Connect a decoupling capacitance (0.1
F) as close as possible to the power supply pin. Use a ceramic capacitor
with high-frequency characteristics for the capacitance.
Use a capacitor with a low temperature coefficient for the PLL loop filter.
21
SLRCK
22
ADIN
23
RLRCK
24
RDATA
RERR
INT
CKST
A
UDIO/V
O
37
DO
38
DI
39
CE
RX0
EMPHA/UO
DGND
D
VDD
XIN
40
CL
41
XMODE
42
43
DVDD
44
TXO/PIOEN
45
TMCK/PIO0
RX3
RX1
DGND
D
VDD
D
VDD
RX6/UI
12
17
RBCK
18
DGND
19
DVDD
20
SBCK
46
TBCK/PIO1
47
48
XOUT
XMCK
D
VDD
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-E
DGND
RXOUT
RX2
RX4
RX5/VI
AVDD
AGND
RMCK
TLRCK/PIO2
TDATA/PIO3
DGND
24.576 MHz / 12.288 MHz
C0
C1
Rf
Cc
Rp
Optical Input
Cl
R0
Coaxial Input
Ri
Ci
Rd
* For how to use the RX1, see section 8.2.
Microcontroller
Chip address setting
Demodulation function
master/slave setting
Modulation/general-purpose
I/O function selection
Microcontroller
A/D
DSP
A/D
DSP
D/A
Table 11.1. Recommended Circuit Constants (
: See Section 8.1.1)
Element Symbol
Recommended Constant
Application
Remark
Cc
0.1
F
Power supply decoupling
Ceramic capacitor
Rp
10 k
Function setting pull-down/pull-up
C1
1 pF to 33 pF
Crystal resonator load
NP0 characteristics ceramic capacitor
Rf
1 M
Oscillation amplifier feedback
Rd
220
Oscillation amplifier current limit
Ci
01
F
Coaxial input DC cut
Ceramic capacitor
Ri
75
Coaxial input termination
C0
PLL loop filter
C1
PLL loop filter
R0
PLL loop filter
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