参数资料
型号: ICS810001DK-21LFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 5/19页
文件大小: 0K
描述: IC CLK GEN SYNC VCXO DL 32VFQFN
标准包装: 2,500
系列: HiPerClockS™, FemtoClock™
类型: 时钟/频率发生器,转换器,抖动衰减器,多路复用器
PLL:
主要目的: 视频
输入: LVCMOS,LVTTL
输出: LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 2:1
差分 - 输入:输出: 无/无
频率 - 最大: 175MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-VFQFPN 裸露焊盘(4x4)
包装: 带卷 (TR)
ICS810001DK-21 REVISION B APRIL 13, 2010
13
2010 Integrated Device Technology, Inc.
ICS810001-21 Data Sheet
FEMTOCLOCK DUAL VCXO VIDEO PLL
Schematic Example
Figure 3 shows an example of the ICS810001-21 application
schematic. In this example, the device is operated at VDD = VDDX =
VDDO = VDDA= 3.3V. The decoupling capacitors should be located as
close as possible to the power pin. The input is driven by a 3.3V 17
LVCMOS driver. An optional 3-pole filter can also be used for
additional spur reduction. It is recommended that the loop filter
components be laid out for the 3-pole option. This will also allow the
2-pole filter to be used. For the LVCMOS output, a termination
example is shown in this schematic. For more termination
approaches, please refer to the LVCMOS Termination Application
Note.
Figure 3. ICS810001-21 Schematic Example
U1
810001-21 Schematic
LF1
1
LF0
2
ISET
3
VDD
4
nBP0
5
GND
6
CLK_SEL
7
CLK1
8
CL
K
0
9
V0
10
VD
D
11
MR
12
MF
13
V1
14
V2
15
V3
16
VDDA
17
VDDO
18
Q
19
GND
20
OE
21
nBP1
22
N1
23
N0
24
32
V
DDX
31
XT
A
L
_I
N
0
30
XT
A
L_
O
U
T
0
29
GN
D
28
XT
AL_
IN
1
27
XT
AL
_
O
U
T
1
26
XT
AL
_
SEL
VD
D
25
12pF
C8
.01uF
X1
VDD
Set Logic
Input to '0'
To Logic
Input
pins
Logic Control Input Examples
To Logic
Input
pins
Set Logic
Input to '1'
RU2
Not Install
RU1
1K
RD2
1K
RD1
Not Install
VDD
MR Control
VDDA
X2
Pin25
R6
TBD
Cp2
TBD
Cp1
TBD
Rs1
TBD
Cs1
TBD
LF1
3-pole loop filter example -
(optional)
LF0
VDD
Q1
Driv er_LVCMOS
Q2
Driv er_LVCMOS
Rs
150K
R1
33
R2
33
Pin18
Pin11
Pin4
Rset 2.21K
TL2
Zo = 50
TL1
Zo = 50
C5
.01uF
VDD
2-pole loop filter
C10
.01uF
C9
10uF
R3
10
VDD
C1spare
C2spare
C3 spare
C4 spare
Cs
.22uF
Cp
.001uF
C6
.01uF
VDDX
C12
.01uF
C11
10uF
R4
10
C7
.01uF
VDD
VDDX
VDD
VDDA
VDD
R5
33
TL3
Zo = 50
Receiv er
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