1
Optoway
LT-54B353B-PG
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LT-54B33B-PG / LT-54B33B-P-AG
(RoHS Compliant)
3.3V / 622 Mbps 1490 nm Continuous-Mode TX / 155 Mbps 1310 nm Burst-Mode RX
ITU-T G.983.3 B-PON CLASS B 2X5 SFF OLT Transceiver
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FEATURES
DESCRIPTION
l Class B Optical Line Terminal (OLT) for ITU-T G.983.3
B-PON
LT-54B33B series is ITU-T G.983.3 Class B optical line
terminal (OLT) for 622 Mbps/1490 nm in downstream and
155 Mbps/1310 nm in upstream. The transmitter section uses a
multiple quantum well 1490 nm DFB laser and is a class 1
laser compliant according to International Safety Standard
IEC-60825. The receiver section uses an integrated 1310 nm
burst-mode detector preamplifier (IDP) mounted in an optical
header and a burst-mode limiting post-amplifier IC. Unlike
the conventional BM RX, the RX does not requires reset
pulse to receive optical data packets with different optical
power. LVPECL interface is used for differential inputs and
outputs. A LVTTL logic interface simplifies interface to
external circuitry.
l 622 Mbps / 1490 nm Continuous-Mode Transmitter
l 155 Mbps / 1310 nm Burst-Mode Receiver with 2R Output
l Resetless BM Receiver Design
l BM RX capable of handling Packet-to-packet spacing less
than 50 ns for over 15dB packet optical power difference
l High Resistance of BM RX to DC Optical Background
l 0 to 70oC Operating: LT-54B33B-PC
l -20 to 85oC Operating: LT-54B33B-PC-A
l 2x5 SFF Package with SC/PC Pigtail
l Single +3.3 V Power Supply
l RoHS Complaint
l Transmitter: AC Coupling Input
l Receiver: DC Coupling Output
l LVPECL Differential Inputs and Outputs
LASER SAFETY
This single mode transceiver is a Class 1 laser product. It
complies with IEC-60825 and FDA 21 CFR 1040.10 and
1040.11. The transceiver must be operated within the
specified temperature and voltage limits. The optical ports of
the module shall be terminated with an optical connector or
with a dust plug.
l LVTTL TX Shutdown Input
l LVTTL TX Laser Failure Alarm Output
l Wave Solderable and Aqueous Washable
l Class 1 Laser International Safety Standard IEC-60825
Compliant
APPLICATIONS
l B-PON System
ORDER INFORMATION
P/No
Class
TX
λ (nm)
RX
Temp
(oC)
Package
RoHS
Compliant
Type Speed
(Gb/s)
Power Type Speed λ (nm) Sens.
(dBm)
(Gb/s)
(dBm)
LT-54B33B-PG
B
B
CNT
CNT
622
622
1490 DFB 4 / -1 BM, 2R 155
1490 DFB 4 / -1 BM, 2R 155
1310 -8 / -31 0 / 70 SFF 2X5 Pig.
1310 -8 / -31 -20 / 85 SFF 2X5 Pig.
Yes
Yes
LT-54B33B-P-AG
NOTE: 1. LT-XXXXXX-P-XG, SC/PC pigtail with fiber length 50 cm.
2. BM: Burst Mode; CNT: Continuous Mode; SFF: Small Form Factor Package.
Absolute Maximum Ratings
Parameter
Symbol
Tstg
Topr
Min
-40
0
Max
85
70
Units
oC
Notes
Storage Temperature
Operating Case Temperature
oC
LT-54B33B-P
-20
-0.5
85
3.6
LT-54B33B-P-A
Power Supply Voltage
Vcc
V
Recommended Operating Conditions
Parameter
Power Supply Voltage
Symbol
Vcc
Topr
Min
3.13
0
Max.
3.47
70
Unit
V
Units / Notes
V
Operating Case Temperature
oC
LT-54B33B-P
LT-54B33B-P-A
-20
85
Power Supply Current
ICC (TX+RX)
300
mA
Note 1: When surrounding temperature is above 60oC, air flow at rate higher than 1m/sec is required.
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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw
3/1/2006 V3.0
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