參數(shù)資料
型號(hào)： 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(yè)數(shù)： 19/38頁(yè)
文件大小： 209K
代理商： 935198040551
1999 May 27
26
Philips Semiconductors
Product specication
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
OQ2541HP; OQ2541U
Fig.28 Application diagram showing the OQ2541 configured for the STM4/OC12 mode (622.08 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
MGL662
VEE2
VEE1
PC
GND(1)
1
3
4
6
7
45
46
42
43
9
34
33
27
28
30
17
15
16
21
22
48
37
31
25
24
OQ2541
normal
output
loop
output
select
DINQ
DIN
PRE-
AMP
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
13, 18, 19,
36, 40
i.c.
5
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