參數(shù)資料
型號(hào)： CD-700-LAC-NFB-28.704
廠商： VECTRON INTERNATIONAL
元件分類： XO, clock
英文描述： PHASE LOCKED LOOP, CQCC16
封裝： 5 X 7.50 MM, 2 MM HEIGHT, HERMETIC SEALED, CERAMIC, SMD-16
文件頁數(shù)： 3/14頁
文件大?。?/td> 123K
代理商： CD-700-LAC-NFB-28.704
CD-700, VCXO Based PLL
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Web: www.vectron.com
Page 11 of 14
Rev : 06Apr08
The device has been qualified to meet the JEDEC
standard for Pb-Free assembly. The temperatures
and time intervals listed are based on the Pb-Free
small body requirements. The temperatures refer to
the topside of the package, measured on the
package body surface. The CD-700 device is
hermetically sealed so an aqueous wash is not an
issue.
25
217
200
150
260
Te
mperat
ure
(De
g
C)
Time (sec)
t S
t AMB-P
t L
t P
R UP
R DN
Figure 11. 19.440 MHz Clock Smoothing
Table 5. Reflow Profile (IPC/JEDEC J-STD-020C)
Parameter
Symbol
Value
PreHeat Time
t S
60 sec Min, 180 sec Max
Ramp Up
R UP
3
oC/sec Max
Time Above 217
oC
t L
60 sec Min, 150 sec Max
Time To Peak Temperature
t AMB-P
480 sec Max
Time At 260
oC
t P
20 sec Min, 40 sec Max
Ramp Down
R DN
6
oC/sec Max
Figure 12. Suggested IR profile
19.440 MHz
19.440 MHz (pin 5)
2.430 MHz
pin 11
pin 13
pin 6
60k
1.0uF 90k
10k
10k, 2.2uF , 10k
CD-700
pin 15
pin16
pin 1
pin 2
pin 3
÷16
VCXO
÷8
3.3 V
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