1
Optoway
BTRS-3720G
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BTRS-3720G / BTRS-3720-SPG / BTRS-3720AG / BTRS-3720A-SPG
1550 nm TX / 1310 nm RX , 3.3V / 155 Mbps RoHS Compliant SFF Single-Fiber Transceiver
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FEATURES
DESCRIPTION
l Single Fiber SFF Bi-Directional Transceiver
l 1550 nm Transmitter
The BTRS-3720G series is high performance module for
single fiber communications by using 1550 nm transmitter
and 1310 nm receiver. The transmitter section uses a
multiple quantum well laser and is a class 1 laser compliant
according to International Safety Standard IEC-60825. The
receiver section uses an integrated 1310 nm detector
preamplifier (IDP) mounted in an optical header and a
limiting post-amplifier IC. A PECL logic interface
simplifies interface to external circuitry.
l 1310 nm Receiver
l Distance Up to 20 km
l Single +3.3 V Power Supply
l RoHS Compliant
l PECL Differential Inputs and Outputs
l 0 to 70oC Operating Temperature: BTRS-3720G
l -20 to 85oC Operating Temperature: BTRS-3720AG
l Wave Solderable and Aqueous Washable
l Class 1 Laser International Safety Standard IEC-60825
Compliant
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.
APPLICATIONS
l WDM 155 Mb/s Links
l SONET/SDH Equipment Interconnect
l Fast Ethernet 100 Mb/s Links
ORDER INFORMATION
P/No.
Bit Rate
(Mb/s)
Distance
(km)
TX
(nm)
RX
(nm)
Voltage Package
(V)
Temp
(oC)
TX
Power
(dBm)
RX Sens. RoHS
(dBm) Compliant
BTRS-3720G
BTRS-3720AG
125/155
125/155
20
20
1550
1550
1310
1310
3.3
3.3
2X5 SC
2X5 SC -20 to 85 -8 to -14
0 to 70 -8 to -14
-33
-33
Yes
Yes
Note: 1. BTRX-XXXXXG is receptacle type package with standard case
2. BTRX-XXXXXEG is receptacle type package with extended case
3. BTRX-XXXXX-APBBBG is pigtail type package with different connector, A=S is SC connector, A=F is FC
connector, A=T is ST connector, A=L is LC connector, A=M is MU connector; BBB is the length of fiber in cm.
Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Temperature
Symbol
Tstg
Min
-40
0
Max
85
Units
oC
oC
Notes
BTRS-3720G
Topr
70
-20
85
BTRS-3720AG
Soldering Temperature
Power Supply Voltage
Input Voltage
---
Vcc
---
260
4.5
Vcc
oC
V
10 seconds on leads only
0
GND
V
Output Current
Iout
0
30
mA
Recommended Operating Conditions
Parameter
Power Supply Voltage
Operating Temperature
Symbol
Min
3.13
0
Typ
Max
3.47
70
85
170
260
Units / Notes
Vcc
3.3
V
oC / BTRS-3720G
oC / BTRS-3720AG
Mb/s
Topr
-20
Data Rate
155
Power Supply Current
Icc
mA
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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 10/1/2005 V3.0
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