OQ2541HP NXP Semiconductors, OQ2541HP Datasheet - Page 25

• Manufacturer Part Number: OQ2541HP
• Manufacturer: NXP Semiconductors

Specifications of OQ2541HP

• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Philips Semiconductors
APPLICATION INFORMATION
1999 May 27
handbook, full pagewidth
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
(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.
Fig.27 Application diagram showing the OQ2541 configured for the STM16/OC48 mode (2488.32 Mbits/s).
system clock
100 nF
39 MHz
PRE-
AMP
100 nF
CAPDOQ
CAPUPQ
DREF19
DREF39
CREFQ
i.c.
CREF
DINQ
DIN
15
16
21
22
9
24
5
33
34
17
13, 18, 19,
36, 40
GND
(1)
2
100
nF
25
OQ2541
V EE1
k
1
25
31
V EE2
2
> 100
k
1
37
PC
39
12
42
43
45
46
48
27
28
30
3.3
nF
6
7
3
4
1
LOS
LOCK
DOUT
DOUTQ
COUT
COUTQ
DLOOP
DLOOPQ
CLOOP
CLOOPQ
ENL
AREF
DOUT1250
DOUT622
DOUT155
1 F
OQ2541HP; OQ2541U
L1
3.3 V
3.3 V
(2)
MBH973
10 k
10 k
normal
output
output
output
select
4.5 V
loop
Product specification