DTR-2488-SM-LC/LS-W-G - Oplink Communications, Inc

OCP
DTR-2488-SM-LC/LS-W-G
OC-48/STM-16 2x5 SFF Single Mode Transceivers
Features
; Compliant with SONET/SDH OC-48/STM-16
Specifications
; Short, Intermediate and Long Reaches
; Eye Safe (Class I Laser Safety)
; Multi-sourced 2x5 Package Style
; Duplex LC Optical Interface
; AC Coupling or DC Coupling Option to LV-PECL
DATA Compatible Interface
; LV-TTL SIGNAL DETECT Output
; Metal Package for Excellent EMI Shielding
; Single +3.3V Power Supply
Description
factor outline. The 10-pin configuration is in conformance
to the SFF MSA.
The DTR-2488-SM-LC/LS-W-G SFF series of fiber
optic transceivers provide a quick and reliable interface
for SONET/SDH OC-48/STM-16 short reach, intermediate
reach and long reach applications. The short reach (SR-1)
version uses a 1310nm Fabry Perot laser while the
intermediate reach (IR-1) and long reach (LR-1) versions
use a 1310nm DFB laser to achieve reaches of 2km, 15km
and 40km, respectively. For intermediate reach (IR-2) and
long reach (LR-2) versions, a 1550nm DFB laser is used
to obtain the reaches of 15km and 80km, respectively. All
modules are compliant with all applicable SONET/SDH
OC-48/STM-16 standards and satisfy Class I Laser Safety
requirements per U.S. FDA/CDRH and international
IEC-60825 standards.
The transmitter design incorporates all the necessary control
and driver circuitry for converting differential data to light.
The receiver uses an InGaAs/InP PIN photodiode for short
reach and intermediate reach applications and an APD
photodiode for long reach applications to covert the light
signal into an electrical current which is amplified and
regenerated into differential data outputs. AC-coupled
transmit and receive DATA interface is recommended for
compatibility with LV-PECL signal levels. An option for
DC-coupled interface is also available. LV-TTL SIGNAL
DETECT function is provided to indicate optical input loss.
The transceivers operate from a single +3.3V power supply
over an operating case temperature range of -5° to +70°C
or -40° to +85°C (“A” option). The housing is made of
metal to enhance EMI immunity.
The transmit and receive functions are contained in a narrow
width two-row, 10-pin (2x5) package with a duplex LC
optical interface. The receptacle fits into an RJ-45 form
Absolute Maximum Ratings
Parameter
Symbol
Minimum
Maximum
Units
Tst
- 40
+ 85
°C
-5
+ 70
- 40
+ 85
Pin, max
-
- 5.0
dBm
Supply Voltage
VCC
0
+ 5.0
V
Input Voltage
Vin
0
VCC
V
Output Current
IO
-
50
mA
Lead Soldering Temperature & Time
-
-
Storage Temperature
Operating Case Temperature
"Blank" option
Top
"A" option
Maximum Input Optical Power (for LR-1, LR-2 only)
Optical Communication Products, Inc.
1
°C
260°C, 10 seconds
21737-0269, Rev. D
07-20-2005
DTR-2488-SM-LC/LS-W-G
Transmitter Performance Characteristics (over Operating Case Temperature Range, VCC = 3.13 to 3.47V)
All parameters guaranteed only at typical data rate
Parameter
Symbol
1
Operating Data Rate
B
Average Optical Output Power
(coupled into single mode fiber)
50% duty cycle
L1
Po
L0
HP
Extinction Ratio
Phi /Plo
SR-1
IR-1
λc
IR-2
Center Wavelength
LR-1
LR-2
Units
Gb/s
-
2.488
-
- 10.0
- 7.0
- 3.0
- 5.0
- 2.0
0
- 2.0
0
+ 3.0
8.2
-
-
1266
1310
1360
1266
1310
1360
1430
1550
1580
1280
1310
1335
dBm
dB
nm
1550
1580
-
-
4.0
nm
IR-1, IR-2, LR-1, LR-2
∆λ20
-
-
1.0
nm
IR-1, IR-2, LR-1, LR-2
SMSR
30
-
-
dB
SR-1, IR-1, IR-2, LR-1
-
-
-
1.0
LR-22
-
-
-
2.0
Spectral Width (-20dB)
Optical Output Eye
Maximum
1500
SR-1
Dispersion Penalty
Typical
∆λRMS
Spectral Width (RMS)
Side Mode Suppression Ratio
Minimum
dB
Compliant with Telcordia GR-253-CORE and ITU-T Recommendation G.957
1
Data rate ranges from 155Mb/s to 2.7Gb/s. However, some degradation may be incurred in overall performance.
Specified at 1600ps/nm dispersion, which corresponds to the approximate worst-case dispersion for 80km G.652/G.654 fiber over the
wavelength range of 1500nm -1580nm.
2
Receiver Performance Characteristics (over Operating Case Temperature Range, VCC = 3.13 to 3.47V)
All parameters guaranteed only at typical data rate
Parameter
Symbol
1
B
Operating Data Rate
Minimum
Typical
Maximum
Units
Gb/s
-
2.488
-
Psd+
PsdPsd+
Psd-
- 18.0
- 28.0
- 3.0
0
- 8.0
- 35.0
- 42.0
- 20.0
- 31.0
-
- 18.0
- 27.0
-
SIGNAL DETECT Timing
-
3
-
100
µs
SIGNAL DETECT Hysteresis
λ
0.5
1.0
-
dB
1100
-
1600
nm
SR-1, IR-1, IR-2
Receiver Sensitivity
(10-10 BER)2
LR-1, LR-2
SR-1
Maximum Input Optical Power
IR-1,
IR-2
(10-10 BER)2
LR-1, LR-2
SR-1, IR-1, Increasing Light Input
IR-2
Decreasing Light Input
SIGNAL DETECT
Thresholds
Increasing Light Input
LR-1, LR-2
Decreasing Light Input
Pmin
Pmax
Wavelength of Operation
Jitter Tolerance & Transfer Function
dBm
dBm
dBm
Compliant with ITU Recommendation G.958
1
Data rate ranges from 155Mb/s to 2.7Gb/s. However, some degradation may be incurred in overall performance.
Specified in average input optical power and measured at 2.488Gb/s and 1310nm or 1550nm wavelength with 223-1 PRBS.
2
Laser Safety: All transmitters are Class I Laser products
per FDA/CDRH and IEC-60825 standards. They must
be operated under specified operating conditions.
Optical Communication Products, Inc.
DATE OF MANUFACTURE:
MANUFACTURED IN THE USA
This product complies with
21 CFR 1040.10 and 1040.11
Meets Class I Laser Safety Requirements
2
21737-0269, Rev. D
07-20-2005
DTR-2488-SM-LC/LS-W-G
Transmitter Electrical Interface (over Operating Case Temperature Range, VCC = 3.13 to 3.47V )
Parameter
Symbol
Minimum
Typical
Maximum
Units
VINDIF
0.30
0.80
1.60
VP-P
Input Impedance
ZIL
-
50
-
Ω
Transmitter Disable Voltage
VDIS
VCC - 1.3
-
VCC
V
Transmitter Enable Voltage
VEN
0
-
0.8
V
Input Voltage Swing between DATA+ & DATA-
Receiver Electrical Interface (over Operating Case Temperature Range, VCC = 3.13 to 3.47V)
Parameter
Symbol
Minimum
Typical
Maximum
Units
1,2
VOH
VCC - 1.10
-
VCC - 0.90
V
1,2
VOL
VCC - 1.84
-
VCC - 1.60
V
Output HIGH Voltage (LV-PECL)
Output LOW Voltage (LV-PECL)
IO
-
-
25
mA
Output HIGH Voltage (LV-TTL)
VOH
2.0
-
VCC
V
Output LOW Voltage (LV-TTL)
VOL
0
-
0.4
V
Output Current
Receiver Power
Monitor Current
SR, IR (Pin from -20dBm to 0dBm)
LR (Pin from -28dBm to -17dBm)
IRPM
-
0.80
-
-
0.85
-
µA/µW
1
With 50Ω terminated to VCC - 2V (for DC-coupled modules).
For AC-coupled modules, the output voltage swing into 50Ω load is 0.3V minimum and 0.8V maximum single-ended.
2
Electrical Power Supply Characteristics (over Operating Case Temperature Range, VCC = 3.13 to 3.47V)
Parameter
Supply Voltage
DC-coupled modules
Supply Current1
1
AC-coupled modules
Symbol
Minimum
Typical
Maximum
Units
V CC
3.13
3.3
3.47
V
-
180
230
-
200
250
ICC
mA
Supply current does not include termination resistor current.
Pin Assignments
PIN
FUNCTION
PIN
FUNCTION
1
RX GND
6
VCCTX
2
VCCRX
7
TX GND
3
SD (RX SIGNAL DETECT)
8
TX DISABLE
4
RD- (RX DATA OUT-)
9
TD+ (TX DATA IN+)
5
RD+ (RX DATA OUT+)
10
TD- (TX DATA IN-)
3
21737-0269, Rev. D
07-20-2005
DTR-2488-SM-LC/LS-W-G
Capacitor values in µF, Resistor values in Ω
Vcc
+3.3V
1µH coil or
ferrite inductor
+
0.1
10
0.1
1µH coil or
+
10
9 TXD+
2
6
ferrite inductor
50Ω line
100
0.1
SIGNAL DETECT
10
3
RXD+
50Ω line
RXD-RXD
50Ω line
5
8
TX DISABLE
LV-PECL
50Ω line
TXD TXD-
DTR-2488-SM
160
160
LV-PECL
4
GND
1 POSTS
100
7
160
160
Fig.1 DC-coupled modules
Capacitor values in µF, Resistor values in Ω
Vcc
+3.3V
1µH coil or
ferrite inductor
0.1
depending on SERDES
+
10
0.1
1µH coil or
6
ferrite inductor
+
10
2
9
TD+
50Ω line
TD-
50Ω line
100
0.1
10
DTR-2488-SM
SIGNAL DETECT
3
TX DISABLE
8
RD+
160
160
SERDES
50Ω line
5
RD1
GND
POSTS
50Ω line
100
4
7
depending on SERDES
Fig.2 AC-coupled modules
Application Notes
DATA interface (DC-coupled modules): The interface
circuit for standard DC-coupled modules with direct-coupled
LV-PECL interface is shown in Fig. 1. The transmitter input
has internal 50Ω termination.
SIGNAL DETECT: The SIGNAL DETECT circuit monitors
the incoming optical signal level and generates a logic LOW
signal when an insufficient photocurrent is produced. The output
is LV-TTL with no termination required.
DATA interface (AC-coupled modules): For modules with
AC coupling option, both transmitter and receiver interfaces
have internal bias, 50Ω termination and AC coupling capacitors.
The transmitter can be connected directly to the driving
SERDES as shown in Fig. 2. The receiver can be connected
directly to the external 50Ω loads (termination resistor of the
SERDES). For best performance, both DATA+ & DATAshould be used.
TX DISABLE: The transmitter is normally enabled (i.e. when
the TX DISABLE control input is not connected). When the
TX DISABLE control input voltage is higher than VCC - 1.3V,
the laser is turned off independent of the input data.
Power supply and grounding: The power supply line should
be well-filtered. All 0.1µF power supply bypass capacitors
should be as close to the DTR transceiver module as possible.
The module case ground is internally AC-coupled to the circuit
ground.
4
21737-0269, Rev. D
07-20-2005
DTR-2488-SM-LC/LS-W-G
Package without
EMI Shield (LC)
48.39
1.905
10.49
.413
RX
[13.56 MAX]
.535 MAX
13.11
.516
TX
6.25
.246
9.35
.37
[9.78 MAX]
.385 MAX
0.38
.015TYP
(Y)*
(x)*
0.25
2X .010
PIN 6
2.54
2X .100
1.02
2X .040
10.16
.400
1.91
2X .075
PIN 5
[0.46]
.018
*(x) & (y): See Pin Length
Option Table in Ordering
Information
PIN 1
1.78
.070 TYP
Package with
EMI Shield (LS)
Dimensions in inches [mm]
Default tolerances:
.xxx = + .005”, .xx = + .01”
18.54
.730
17.78
.700
48.39
1.905
10.49
.413
RX
[13.56 MAX]
.535 MAX
TX
3.5
.14
9.65
.38
[9.78 MAX]
.385 MAX
6.25
.246
[11]
.43
0.38
.015 TYP
(X)*
0.25
2X .010
PIN 6
(Y)*
2X
1.02
.040
2X
[13.59 +0/-0.254]
.535 +0/-.01
10.16
.400
1.91
2X .075
2.54
.100
*(x) & (y): See Pin Length
Option Table in Ordering
Information
PIN 1
PIN 5
[0.46]
0.18
1.78
.070 TYP
15.6
.62
18.54
.730
17.78
.700
5
Dimensions in inches [mm]
Default tolerances:
.xxx = + .005”, .xx = + .01”
21737-0269, Rev. D
07-20-2005
DTR-2488-SM-LC/LS-W-G
Package with Extended
EMI Shield (S1)
48.39
1.905
15.11
.60
[13.56 MAX]
.535 MAX
14.09
.555
15.01
.59
[9.78 MAX]
.385 MAX
6.25
.246
3.6
.14
9.65
.38
0.38
.015 TYP
(X)*
11.9
.47
(Y)*
0.25
2X .010
1.02
2X .040
PIN 6
2.54
2X .100
[13.59 +0/-0.254]
15.6
.535 +0/-.01
.62
10.16
.400
1.91
2X .075
PIN 5
[0.46]
0.18 TYP
*(x) & (y): See Pin Length
Option Table in Ordering
Information
PIN 1
17.78
.700
1.78
.070 TYP
Dimensions in inches [mm]
Default tolerances:
.xxx = + .005”, .xx = + .01”
18.54
.730
Ordering Information
DTR - 2488 - SM - Lx - T - Ln - DR - XX - Wp - G - S1
Connector
LC : w/o EMI Shield
LS : w/ EMI Shield
or w/ Extended S1 Shield
Extended Shield
“Blank” : None
“S1” : Extended
EMI Shield
Temperature Range
“Blank” : -5°C to +70°C
“A” : -40°C to +85°C (see Note 1)
see Pin Length
Option Table
Light Output Option
L1 : -10 to -3dBm (SR-1)
L0 : -5 to 0dBm (IR-1 & IR-2)
HP : -2 to +3dBm (LR-1 & LR-2)
Receiver Coupling Option
“Blank” : DC Coupling
“AC” : AC Coupling
Pin Length Option Table
Options
(p)
Pin Length (x)
Inches
Millimeters
Post Length (y)
Inches
Millimeters
"blank"
0.140 + 0.010
3.56 + 0.250
0.125 + 0.010
- 0.005
3.17 + 0.250
- 0.125
5
0.155 + 0.010
3.94 + 0.250
0.155 + 0.010
- 0.005
3.94 + 0.250
- 0.125
8
0.180 + 0.010
4.57 + 0.250
0.180 + 0.010
- 0.005
4.57 + 0.250
- 0.125
Distance Option (see Note 2)
SR : SR-1/I-16 (12/2km)
IR1 : IR-1/S-16.1 (21/15km)
IR2 : IR-2/S-16.2 (42/15km)
LR1 : LR-1/L-16.1 (40km)
LR2 : LR-2/L-16.2 (80km)
Note:
1. Industrial temperature range, -40°C to +85°C, is only available for SR and IR modules.
2. These are target distances to be used for classification and not for specification, per Telcordia GR-253-CORE/ITU-T Recommendation G.957.
Optical Communication Products, Inc.
6101 Variel Avenue, Woodland Hills, CA 91367, Tel.: 818-251-7100, FAX: 818-251-7111, www.ocp-inc.com
Optical Communication Products, Inc. reserves the right to make changes in equipment design or specifications without notice. Information supplied by Optical Communication
Products, Inc. is believed to be accurate and reliable. However, no responsibility is assumed by Optical Communication Products, Inc. for its use nor for any infringements
of third parties, which may result from its use. No license is granted by implication or otherwise under any patent right of Optical Communication Products, Inc.
© 2005, Optical Communication Products, Inc.
6
21737-0269, Rev. D
07-20-2005