參數(shù)資料
型號： 935198040551
廠商： NXP SEMICONDUCTORS
元件分類： 數(shù)字傳輸電路
英文描述： CLOCK RECOVERY CIRCUIT, PQFP48
封裝： PLASTIC, SOT-313, LQFP-48
文件頁數(shù)： 18/38頁
文件大?。?/td> 209K
代理商： 935198040551
1999 May 27
25
Philips Semiconductors
Product specication
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
OQ2541HP; OQ2541U
APPLICATION INFORMATION
Fig.27 Application diagram showing the OQ2541 configured for the STM16/OC48 mode (2488.32 Mbits/s).
(1) All pins GND must be connected directly to the PCB ground plane (pins 2, 5, 8, 10, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44 and 47).
(2) L1 = RF choke type Murata BLM21.
handbook, full pagewidth
2
2
1
k
1
k
1
F
L1(2)
4.5 V
+3.3 V
β > 100
100
nF
3.3
nF
MBH973
VEE2
PC
GND(1)
1
3
4
6
7
45
46
42
43
9
27
28
30
17
15
16
21
22
48
37
31
VEE1
25
24
OQ2541
normal
output
loop
output
select
DOUT1250
COUTQ
COUT
DOUTQ
DOUT
12
LOCK
AREF
CLOOP
CLOOPQ
DLOOP
DREF19
39 MHz
system clock
DLOOPQ
CAPUPQ
CAPDOQ
CREFQ
DREF39
CREF
ENL
DOUT155
DOUT622
10 k
+3.3 V
39
LOS
10 k
100 nF
34
33
DINQ
DIN
PRE-
AMP
13, 18, 19,
36, 40
i.c.
5
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