Optoway
BTR-7720G
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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@https://www.wendangku.net/doc/d317025502.html, http: // https://www.wendangku.net/doc/d317025502.html, 10/1/2005 V2.0
1
BTR-7720G / BTR-7720-SPG / BTR-7720AG / BTR-7720A-SPG
1550 nm TX / 1310 nm RX , 3.3V / 1.25 Gb/s RoHS Compliant Single-Fiber Transceiver
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FEATURES
l Single Fiber Bi-Directional Transceiver l 1550 nm DFB LD Transmitter l 1310 nm Receiver
l 14 dB Link Power Budget At Least l Link distance up to 20 km
l Industry Standard 1 x 9 Footprint l Single +3.3 V Power Supply l RoHS Compliant
l 0 to 70o C Operating: BTR-7720G l -20 to 85o C Operating: BTR-7720AG l LVPECL Differential Inputs and Outputs l LVPECL Signal Detect Output: BTR-7720G l LVTTL Signal Detect Output: BTR-7720CG l Wave Solderable and Aqueous Washable
l Class 1 Laser International Safety Standard IEC-60825 Compliant
APPLICATIONS
l WDM 1.25 Gb/s Links
l SONET/SDH Equipment Interconnect l Fiber Channel 1.063 Gb/s Links
DESCRIPTION
The BTR-7720G 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 1550 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 detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC. A PECL logic interface simplifies interface to external circuitry.
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.
ORDER INFORMATION
P/No.
Bit Rate (Gb/s) Distance (km) TX (nm) RX (nm) Voltage (V) Package Temp (o C) TX Power (dBm) RX Sens. (dBm) Signal Detect RoHS
Compliant BTR-7720CG 1.25 20 1550 DFB 1310 3.3 1X9 0 to 70 -3 to -8 -22 TTL Yes BTR-7720ACG 1.25 20 1550 DFB 1310 3.3 1X9 -20 to 85 -3 to -8 -22 TTL Yes BTR-7720G 1.25 20 1550 DFB 1310 3.3 1X9 0 to 70 -3 to -8 -22 PECL Yes BTR-7720AG
1.25
20
1550 DFB
1310
3.3
1X9
-20 to 85
-3 to -8 -22
PECL
Yes
Note: 1. BTR-XXXXXG is 1X9 SC receptacle type package.
2. BTR-XXXXX-APBBBG is 1X9 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.
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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
Absolute Maximum Ratings
Parameter
Symbol
Min Max Units Notes
Storage Temperature Tstg -40 85 o C
Operating Temperature Topr 0 -20 70 85 o C
BTR-7720G BTR-7720AG
Soldering Temperature --- 260 o
C 10 seconds on leads only Power Supply Voltage Vcc 0 4.5 V Input Voltage --- GN
D Vcc V
Output Current
Iout
30
mA
Recommended Operating Conditions
Parameter
Symbol Min Typ Max Units Power Supply Voltage Vcc 3.13 3.3 3.47 V Operating Temperature Topr 0 -20 70 85 o
C / BTR-7720G o
C / BTR-7720AG
Data Rate
1250 1300 Mb/s Power Supply Current
Icc
280
mA
Transmitter Specifications (0o C < Topr < 70o C, 3.13V < Vcc < 3.47V)
Parameter
Symbol
Min
Typ Max Units Notes Optical
Optical Transmit Power Po -8
--- -3 dBm 1
Output Center Wavelength λ
1480 1580 nm
Output Spectrum Width
?λ
--- --- 1 nm -20 dB width Side Mode Suppression Ratio SMSR 30 dB Extinction Ratio E R 9.0 --- --- dB
Output Eye
Compliant with IEEE 802.3z
Optical Rise Time t r 0.26 ns 20% to 80% Values Optical Fall Time
t f 0.26 ns 20% to 80% Values Relative Intensity Noise RIN -120 dB/Hz
Total Jitter TJ 0.227 ns 2 Electrical
Data Input Current – Low I IL -350 μA Data Input Current – High I IH 350 μA Differential Input Voltage V IH - V IL 300 mV
Data Input Voltage – Low V IL - V CC -2.0 -1.58 V 3 Data Input Voltage -- High
V IH - V CC
-1.1
-0.74
V
3
Notes: 1. Output power is power coupled into a 9/125 μm single mode fiber.
2. Measured with a 27-1 PRBS.
3. These inputs are compatible with 10K, 10KH and 100K ECL and LVPECL inputs.
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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
Receiver Specifications (0o C < Topr < 70o C, 3.15 V < Vcc < 3. 47V)
Parameter
Symbol Min Typ Max Units Notes Optical Sensitivity
---
--- --- -22 dBm 1
Maximum Input Power Pin -3 --- dBm
Signal Detect -- Asserted Pa --- --- -22 dBm Transition: low to high Signal Detect -- Deasserted Pd -31 --- --- dBm Transition: high to low Signal detect -- Hysteresis 1.0 --- dB
Wavelength of Operation 1260 1360 nm 2 Optical Return Loss ORL 14 dB
Electrical
Data Output Voltage – Low V OL - V CC -2.0 -1.58 V 3 Data Output Voltage – High V OH - V CC -1.1 -0.74 V 3
SD Output Voltage -- Low V OL - V CC -2.0 -1.58 V SD Output Voltage -- High V OH - V CC -1.1 -0.74 V BTR-7720G SD Output Voltage -- Low V OL 0 0.8 V SD Output Voltage -- High
V OH
2.0
Vcc+0.3
V
BTR-7720CG
Notes: 1. Minimum sensitivity and saturation levels at BER=1E-12 for a 27-1 PRBS.
2. At least 30 dB optical isolation for the wavelength 1480 to 1580 nm.
3. These outputs are compatible with 10K, 10KH and 100K ECL and LVPECL outputs.
CONNECTION DIAGRAM
Receiver Signal Ground 1 (Rx GND)
Receiver Data Out 2 (RD+) N/C Receiver Data Out Bar 3 (RD ?) Signal Detect 4 (SD)
Receiver Power Supply 5 (Rx Vcc) TOP VIEW Transmitter Power Supply 6 (Tx Vcc) Transmitter Data In Bar 7 (TD ?)
Transmitter Data In 8 (TD+) N/C Transmitter Signal Ground 9 (Tx GND)
PIN Symbol Notes
1 Rx GND Directly connect this pin to the receiver ground plane
2 RD+ See recommended circuit schematic
3 RD ? See recommended circuit schematic
4 SD Active high on this indicates a received optical signal
5 Rx Vcc +3.3V dc power for the receiver section
6 Tx Vcc +3.3V dc power for the transmitter section
7 TD ? See recommended circuit schematic
8 TD+ See recommended circuit schematic
9
Tx GND
Directly connect this plan to the trransmitter ground plane
*********************************************************************************************************************************************************************** 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