Figure 4. Si5326 Typical Application Circuit (I2
參數(shù)資料
型號: SI5326B-C-GM
廠商: Silicon Laboratories Inc
文件頁數(shù): 9/72頁
文件大?。?/td> 0K
描述: IC ANY-RATE MULTI/ATTEN 36-QFN
標準包裝: 490
系列: DSPLL®
類型: 時鐘放大器,振動衰減器
PLL:
輸入: 時鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 808MHz
除法器/乘法器: 是/是
電源電壓: 1.71 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 36-QFN(6x6)
包裝: 托盤
產(chǎn)品目錄頁面: 628 (CN2011-ZH PDF)
其它名稱: 336-1745
Si5326
Rev. 1.0
17
3. Typical Application Circuit
Figure 4. Si5326 Typical Application Circuit (I2C Control Mode)
Note:
For an example schematic and layout, refer to the Si5325/26-EVB User’s Guide.
Figure 5. Si5326 Typical Application Circuit (SPI Control Mode)
Note:
For an example schematic and layout, refer to the Si5325/26-EVB User’s Guide.
GN
D
PA
D
Si5326
INT_C1B
C2B
LOL
RST
CKOUT1+
CKOUT1–
VD
D
GN
D
Ferrite
Bead
System
Power
Supply
C1
C2
C3
Serial Data
Serial Clock
Reset
Interrupt/CKIN1 Invalid Indicator
CKIN2 Invalid Indicator
PLL Loss of Lock Indicator
Clock Outputs
CKOUT2+
CKOUT2–
SDA
SCL
I2C Interface
Serial Port Address
A[2:0]
CMODE
Control Mode (L)
100
0.1 F
+
100
0.1 F
+
C4
0.1 F
1 F
Clock Select/Clock Active
CS_CA
1. Assumes differential LVPECL termination (3.3 V) on clock inputs.
2. Denotes tri-level input pins with states designated as L (ground), M (VDD/2), and H (VDD).
3. I2C-required pull-up resistors not shown.
Notes:
XA
XB
Refclk+
Option 2:
0.1 F
Refclk–
0.1 F
RATE[1:0]
2
Crystal/Ref Clk Rate
VDD
15 k
15 k
XA
XB
Crystal
Option 1:
Input
Clock
Sources*
CKIN2+
CKIN2–
130
130
82
82
VDD = 3.3 V
130
130
82
82
VDD = 3.3 V
CKIN1+
CKIN1–
G
ND
P
A
D
INC
DEC
Output Phase Control
Si5326
RST
CKOUT1+
CKOUT1–
VD
D
GN
D
Ferrite
Bead
System
Power
Supply
C1
C2
C3
Reset
Clock Outputs
CKOUT2+
CKOUT2–
CMODE
Control Mode (H)
CKIN2+
CKIN2–
100
0.1 F
+
100
0.1 F
+
C4
0.1 F
1 F
CKIN1+
CKIN1–
INT_C1B
C2B
SPI Interface
LOL
Interrupt/CLKIN1 Invalid Indicator
CLKIN2 Invalid Indicator
PLL Loss of Lock Indicator
Serial Data Out
Serial Data In
SDO
SDI
Serial Clock
SCLK
Slave Select
SS
Clock Select/Clock Active
CS_CA
G
ND
P
A
D
1. Assumes differential LVPECL termination (3.3 V) on clock inputs.
2. Denotes tri-level input pins with states designated as L (ground), M (VDD/2), and H (VDD).
Notes:
Input
Clock
Sources*
130
130
82
82
VDD = 3.3 V
130
130
82
82
VDD = 3.3 V
XA
XB
Refclk+
Option 2:
0.1 F
Refclk–
0.1 F
RATE[1:0]2
Crystal/Ref Clk Rate
VDD
15 k
15 k
XA
XB
Crystal
Option 1:
INC
DEC
Output Phase Control
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