OPT-155Axxxx
155Mbps 1x9 SC/ST Duplex Optical Transceiver Module for
Fast Ethernet, ATM, SONET/SDH STM-1/OC-3
Features：
Full Compliance with the Optical Performance
Requirements of the ATM 100Mbps and 100
Base-FX Version of IEEE 802.3u.
Industry Standard 1x9 Footprint and Duplex
SC or ST Connector Interface.
Single 5V（OPT-155A1Hxx）or 3.3V
（OPT-155A2Hxx）Power
Supply.
PECL Differential Inputs and Outputs.
PECL Receiver Signal Detect Indicator.
Wave Solder and Aqueous Wash Process
Compatible.
RoHS Compliant per Directive 2002/95/EC
Description：
The OPT-155AxHxx series are 1x9 optical
transceiver modules designed expressly for
high-speed communication applications that require
rates of up to 155Mbps. They are all compliant with
the SONET/SDH standards.
The OPT-155AxHxx transceivers are supplied in
industry standard 1x9 SIP package style with either
duplex SC or duplex ST connector. Moreover the
OPT-155AxHx series also include a Signal-Detect
circuit that provides PECL logic output state.
The OPT-155AxHxx series meet Class-1 eye safety
standard and effective distance up to 2Km.
The transmitter sections utilize 1310nm Surface
Emitting InGaAsP LEDs. These LEDs are packaged
in the optical subassembly portion of the transmitter
section. A custom silicon IC that converts differential
PECL logical signals into an analog LED driving
current then drive it.
The receiver sections utilize InGaAs PIN
photodiodes coupled into a custom silicon
transimpedance preamplifier IC. These are
packaged in the optical subassembly portion of
receiver.
These PIN / Preamplifier combinations are coupled
into a custom quantizer IC which provides the final
pulse shaping for the logic output and the Signal
Detect function. The data output is differential. The
signal detect output is single-ended.
Application：
Multimode Fiber Backbone Links.
Fast Ethernet and ATM Compatible.
Multimode Fiber Media Converter.
www.deltaww.com
DELTA ELECTRONICS, INC.
1
Sep., 2006
Rev.：0E
OPT-155Axxxx
Absolute Maximum Ratings
Parameter
Storage Temperature
Lead Soldering Temperature
Lead Soldering Time
Supply Voltage
Symbol
Ts
T
SOLD
t
SOLD
V
CC
Min.
-40
Typ.
Max.
85
260
10
6
Unit
ºC
ºC
Sec.
V
Note
0
Recommended Operating Conditions
Parameter
Data Rate
Ambient Operating Temperature
Supply Voltage
OPT-155A1Hxx
OPT-155A2Hxx
Note: See ordering information for detail
Symbol
T
A
V
CC
Min.
100
0
4.75
3.15
Typ.
155.52
Max.
200
70
5.25
3.45
Unit
Mbps
ºC
V
Note
1
5
3.3
Electrical Characteristics
Parameter
Transmitter
Transmitter Data Input Voltage-Low
Transmitter Data Input Voltage-High
Receiver
Data Output Voltage-Low
Data Output Voltage-High
SD Output Voltage-Low
SD Output Voltage-High
Symbol
V
IL
-V
CC
V
IH
-V
CC
V
OL
-V
CC
V
OH
-V
CC
V
SDH
-V
CC
V
SDL
-V
CC
Min.
-1.81
-1.16
-1.95
-1.045
-1.95
-1.045
Typ.
Max.
-1.48
-0.88
-1.62
-0.74
-1.62
-0.74
Unit
V
V
V
V
V
V
Note
ECL Family
ECL Family
Optical Characteristics
（Data
Rate = 155.52Mbps, PRBS=2
23
-1, NRZ, 62.5/125um MMF）
Parameter
Symbol
Min.
Typ.
Transmitter
Supply Current
Mean Launch Power
62.5/125μm, NA=0.275 Fiber
50/125μm, NA=0.20 Fiber
Optical Extinction Ratio
Center Wavelength
Spectral Width (RMS)
Optical Risetime / Falltime
Output Eye Diagram
Receiver
Supply Current
Sensitivity
Input Optical Wavelength
Signal Detect-Asserted
Signal Detect-DeAsserted
Signal Detect-Hysteresis
Overload
Icc
P
O
E.R.
λ
C
σ
t
r
/t
f
-20
-22.5
9
Max.
185
165
-14
-14
Unit
mA
dBm
Note
OPT-155A1 Series
OPT-155A2 Series
dB
1310
nm
nm
200
10%½90%
3.0
ns
Compliant with ITU-T recommendation G.957
145
120
-31
1100
-45
0.5
-14
1600
-31
mA
dBm
nm
dBm
dBm
dB
dBm
OPT-155A1 Series
OPT-155A2 Series
Icc
P
IN
λ
P
A
P
D
P
A
-P
D
P
O
www.deltaww.com
DELTA ELECTRONICS, INC.
2
Sep., 2006
Rev.：0E
OPT-155Axxxx
Notes：The sensitivity should be tested at BER of 1×10
-10
or better with an input signal consisting of 155Mb/s, NRZ,
PRBS=2
23
-1 and E.R.= 9dB.
Mask of the eye diagram for the optical transmit signal
www.deltaww.com
DELTA ELECTRONICS, INC.
3
Sep., 2006
Rev.：0E
OPT-155Axxxx
Pin Definition：
PIN
1
2
3
4
5
6
7
8
9
Symbol
GND
RD (+)
RD (-)
SD
VccR
VccT
TD (-)
TD (+)
GND
Functional description
Receiver Signal Ground
Receiver Data Out (LVPECL or PECL)
Receiver Data Out Bar (LVPECL or PECL)
Receiver Signal Detect (LVPECL or PECL)
Receiver Power Supply
Transmitter Power Supply
Transmitter Data In Bar (LVPECL or PECL)
Transmitter Data In (LVPECL or PECL)
Transmitter Signal Ground
Pin Descriptions:
Pin 1 Receiver Signal Ground, GND
Directly connect these pins to the ground plane.
Pin 2 Receiver Data Out (LVPECL), RD (+)
PECL logic family. Output external biased and internal dc coupled.
Pin 3 Receiver Data Out Bar (LVPECL), RD (-)
PECL logic family. Output external biased and internal dc coupled.
Pin 4 Receiver Signal Detect (LVPECL/TTL), SD
PECL/TTL logic family. Normal Operation: Logic “1” Output
Fault Condition: Logic”0” Output
Pin 5 Receiver Power Supply, VccR
Provide +3.3/5V dc power supply.
Pin 6 Transmitter Power Supply, VccT
Provide +3.3/5V dc power supply.
Pin 7 Transmitter Data In Bar (LVPECL), TD (-)
Pin 7 Transmitter Data Input (LVPECL), TD (-)
Pin 8 Transmitter Data In (LVPECL), TD (+)
Pin 8 Transmitter Data Input Bar (LVPECL), TD (+)
Pin 9 Transmitter Signal Ground, GND
Directly connect these pins to the ground plane.
www.deltaww.com
DELTA ELECTRONICS, INC.
4
Sep., 2006
Rev.：0E
OPT-155Axxxx
Recommend Circuit Schematic for Internal DC Coupled Transceivers
RX-VCC
TX-VCC
C3
C5
R1
R3
TX-GND
RX-GND
9
8
7
6
5
4
3
2
1
R9
R5
R7
TD+
TD-
RD+
RD-
TX-VCC
RX-VCC
R2
R4
R10
R6
R8
SD
Transceiver Top Niew
R1=R3=R5=R7=R9=130 Ohm (3.3V), 82 Ohm (5V)
VCC
R2=R4=R6=R8=R10=82 Ohm (3.3V), 130 Ohm (5V)
C3
L1
TX-VCC
C1
C1=C2=C3=C5=C6=0.1 uF
C4=10 uF
L1=L2=1 uH or ferrite inductor
C4
L2
RX-VCC
C2
www.deltaww.com
DELTA ELECTRONICS, INC.
5
Sep., 2006
Rev.：0E
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