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參數(shù)資料
| 型號： | TRU050-THCNB-20M4800000 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PHASE LOCKED LOOP, CDIP16 |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD-16 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 0K |
| 代理商： | TRU050-THCNB-20M4800000 |
TRU050, 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: 26Aug2008
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 TRU050 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
The above loop has a 125 Hz bandwidth.
Figure 11. 19.440 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
19.440MHz
19.440 MHz
2.430 MHz
Pin 13
Pin 15
Pin 9
60K
1.0uF 90K
10K
10K, 2.2uF , 10K
TRU050
pin 4
pin 1
pin 3
pin 2
pin 6
÷16
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