Optoway
FEATURES
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BTRS-7700MG
1
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BTRS-7700MG / BTRS-7700CMG / BTRS-7700AMG / BTRS-7700ACMG
1550 nm TX / 1310 nm RX , 3.3V / 1250 Mbps
RoHS Compliant
Single-Fiber MM Transceiver
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DESCRIPTION
Single Fiber Bi-Directional MMTransceiver
1550 nm Transmitter
1310 nm Receiver
Distance 0 to 500 m
0 to 70
o
C Operating: BTRS-7700MG
-20 to 85
o
C Operating: BTRS-7700AMG
Speed up to 1300 Mbps
2x5 Package with SC Receptacle
LVTTL Signal Detect Output : BTRS-7700CMG
LVPECL Signal Detect Output : BTRS-7700MG
Single +3.3 V Power Supply
RoHS Compliant
PECL Differential Inputs and Outputs
Wave Solderable and Aqueous Washable
Class 1 Laser International Safety Standard IEC-60825
Compliant
The BTRS-7700MG series is high performance module for
multi-mode 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. LV-TTL
Signal Detect is used.
LASER SAFETY
This multi-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
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WDM Gigabit Ethernet Links
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SONET/SDH Equipment Interconnect
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Fiber Channel Links
ORDER INFORMATION
P/No.
Bit Rate Distance
(Gb/s)
(m)
1.25
1.25
0 to 500
0 to 500
TX
(nm)
1550
1550
RX
(nm)
1310
1310
Voltage
(V)
3.3
3.3
Package
Temp
(
o
C)
0 to 70
-20 to 85
TX
RX Sens. RoHS
Power
(dBm) Compliant
(dBm)
-4 to -10
-17
Yes
-4 to -10
-17
Yes
BTRS-7700MG
BTRS-7700AMG
SC, 2X5
SC, 2X5
Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Temperature
Soldering Temperature
Power Supply Voltage
Input Voltage
Output Current
Symbol
Tstg
Topr
---
Vcc
---
Iout
Min
-40
0
-20
0
GND
0
Max
85
70
85
260
3.6
Vcc
30
Units
o
C
o
C
o
Notes
BTRS-7700MG
BTRS-7700AMG
10 seconds on leads only
C
V
V
mA
Recommended Operating Conditions
Parameter
Power Supply Voltage
Operating Temperature
Data Rate
Power Supply Current
Symbol
Vcc
Topr
Min
3.13
0
-20
Typ
3.3
Max
3.47
70
85
1300
260
Units / Notes
V
o
C / BTRS-7700MG
o
C / BTRS-7700AMG
Mb/s
mA
1250
Icc
***********************************************************************************************************************************************************************
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
10/1/2009 V3.0
Optoway
Transmitter Specifications (0
o
C < Topr < 70
o
C, 3.13V < Vcc < 3. 47V)
Parameter
Optical
Optical Transmit Power
Output Center Wavelength
Output Spectrum Width
Output Eye
Optical Rise Time
Optical Fall Time
Relative Intensity Noise
Total Jitter
Electrical
Data Input Current
–
Low
Data Input Current
–
High
Differential Input Voltage
Data Input Voltage
–
Low
Data Input Voltage -- High
Disable Input Voltage -- Low
Disable Input Voltage -- High
Shut Off Time for TxDis
Symbol
Min
Typ
Max
-4
1580
4
0.26
0.26
-120
0.227
Units
dBm
nm
nm
ns
ns
dB/Hz
ns
µA
µA
mV
V
V
V
V
ms
Po
-10
1480
λ
σ
λ
Compliant with IEEE 802.3z
t
r
t
f
RIN
TJ
I
IL
I
IH
V
IH
- V
IL
V
IL
- V
CC
V
IH
- V
CC
V
TDIS,L
V
TDIS,H
t
DIS
-350
300
-2.0
-1.1
0
Vcc
–
1.3
350
1600
-1.58
-0.74
0.8
Vcc
1
BTRS-7700MG
Notes
1
RMS (σ)
20% to 80% Values
20% to 80% Values
2
2
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3
3
TX Output Enabled
TX Ouput Disabled
Notes: 1. Output power is power coupled into a 62.5/125
µm
multi-mode fiber.
2. Measured with a 2
7
-1 PRBS.
3. These inputs are compatible with 10K, 10KH and 100K ECL and LVPECL inputs.
Receiver Specifications (0
o
C < Topr < 70
o
C, 3.13 V < Vcc < 3. 47V)
Parameter
Optical
Sensitivity
Maximum Input Power
Signal Detect -- Asserted
Signal Detect -- Deasserted
Signal detect -- Hysteresis
Wavelength of Operation
Optical Return Loss
Electrical
Data Output Voltage Swing
SD Output Voltage -- Low
SD Output Voltage -- High
SD Output Voltage -- Low
SD Output Voltage -- High
Signal Detect Assert Time
Signal Detect Deassert Time
Symbol
---
Pin
Pa
Pd
Min
---
-3
---
-31
1.0
1260
20
0.575
-2.0
-1.1
0
2.0
Typ
---
---
---
---
---
Max
-17
---
-17
---
1360
Units
dBm
dBm
dBm
dBm
dB
nm
dB
V
V
V
V
V
µs
µs
Notes
1
Transition: low to high
Transition: high to low
2
ORL
V
OH
–
V
OL
V
OL
- V
CC
V
OH
- V
CC
V
OL
V
OH
AS
MAX
ANS
MAX
0.930
-1.58
-0.74
0.8
Vcc+0.3
100
300
BTRS-7700MG
BTRS-7700CMG
OFF to ON
ON to OFF
Notes: 1. Minimum sensitivity and saturation levels at BER 1E-12 for a 2
7
-1 PRBS.
2. At least 30 dB optical isolation for the wavelength 1480 to 1580 nm.
**********************************************************************************************************************************************************************
OPTOWAY TECHNOLOGY INC.
No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
E-mail: sales@optoway.com.tw
Fax: 886-3-5979737
http: // www.optoway.com.tw
10/1/2009 V3.0
Optoway
CONNECTION DIAGRAM
BTRS-7700MG
3
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PIN
1
2
3
4
5
6
7
8
9
10
MS
Symbol
V
EE
r
V
CC
r
SD
RD−
RD+
V
CC
t
V
EE
t
TxDis
TD+
TD-
MS
Notes
Directly connect this pin to the receiver ground plane
+3.3V dc power for the receiver section
Active high on this indicates a received optical signal.
Receiver Dataout Bar. See recommended circuit schematic
Receiver Dataout. See recommended circuit schematic
+3.3V dc power for the transmitter section
Directly connect this plan to the transmitter ground plane
Transmitter Disable. Connect this pin to +3.3V TTL logic
“1”
to disable module
To enable module connect to TTL logic low
“0”
Transmitter Data In. See recommended circuit schematic
Transmitter Data In Bar. See recommended circuit schematic
Mounting Studs. Connect to Chassis Ground
RECOMMENDED CIRCUIT SCHEMATIC
depend on customer's PHY
terminate and bias inside Transceiver module
TD-
Z=50R
LVPECL
Vcc3.3V
TD+
Z=5OR
130R
10
9
8
7
6
TXDis(LVTTL)
130R
1uH
Vcc3.3V
TD-
TD+
TDis
Veet
Vcct
10nF
10uF
1uH
10nF
10uF
PHY DEVICE
BTRS-7XXXC
1
2
3
4
5
10nF
10uF
Vcc3.3V
Veer
Vccr
SD
RD-
RD+
RD+
100R
Z=50R
LVPECL
RD-
Z=5OR
depend on customer's PHY
SD
TO LVTTL STAGE
**********************************************************************************************************************************************************************
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
10/1/2009 V3.0
Optoway
PACKAGE DIAGRAM
Units in mm
BTRS-7700MG
4
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Note:
Specifications subject to change without notice.
**********************************************************************************************************************************************************************
OPTOWAY TECHNOLOGY INC.
No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
E-mail: sales@optoway.com.tw
Fax: 886-3-5979737
http: // www.optoway.com.tw
10/1/2009 V3.0
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