oq2545hp NXP Semiconductors, oq2545hp Datasheet - Page 19

• Manufacturer Part Number: oq2545hp
• Description: Sdh/sonet Stm16/oc48 Laser Drivers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
1999 Aug 24
handbook, full pagewidth
SDH/SONET STM16/OC48 laser drivers
(1) All V
(2) All GND pins (pins 2, 4, 9, 11, 14, 20, 23, 26, 29, 32, 35, 38, 41 and 47) must be connected directly to the PCB ground plane.
EE2
pins (pins 1, 12, 13, 24, 25, 36, 37 and 48) must connected together.
electrical
monitor
output
(OQ2535)
(OQ2541)
MUX
DCR
AMP
RF
CLOOPQ
DLOOPQ
AMPADJ
CLOOP
DLOOP
EFADJ
Fig.15 Application schematic OQ2545HP with laser diode.
CINQ
DINQ
CIN
DIN
16
15
30
31
33
34
28
27
22
21
40
25
MON
7, 8
LAQ
39
MONQ
OQ2545HP
controller module
LASER
DIODE
COMPENSATION
44
from main
5, 6
ALS
NETWORK
19
LA
45
ENL
10
IBIAS
17
SMOD
46
42
19
18
43
(1)
(2)
3
SIBIAS
SIMOD
BGCAP
V EE1
GND
DIOA
V CC
V EE2
OQ2545HP; OQ2545BHP
optical monitor output
8
14
3 to 4 k
3 to 4 k
10 nF
LASER CURRENT
V bias
CONTROL
0 to 4 V
optical fibre
V mod
MGK371
Product specification
5 V
6.5 V
4.5 V