DTR-1250-SM-LC/LS-MR - Oplink Communications, Inc

OCP
©
DTR-1250-SM-LC/LS-MR
3.3V LC connector SFF Gigabit Ethernet 1300 nm & 1550 nm
Multirate Laser Transceivers
Features
! Data rate applications from 125 Mbps to 1300 Mbps
! Compliant with IEEE 802.3z Gigabit Ethernet
1000BASE-LX PMD specifications
! Distance options of 10 km, 25 km, 40 km and 70 km
! Eye Safe (Class I Laser Safety)
! Excellent EMI & ESD protection (optional extra EMI
shield also available)
! Multi-sourced 10-pin (2x5) SFF (Small Form Factor)
package style
! -40 °C to +85 °C Operating Temperature (“A” option)
! Duplex LC optical connector interface
! Single +3.3 V supply & LV-PECL DATA interface
(AC coupling option also available)
! LV-TTL TX DISABLE input & RX SIGNAL DETECT
output
Description
The DTR-1250-SM-LC-MR and DTR-1250-SM-LS-MR fiber
optic transceivers offer a simple and convenient way to interface
1000BASE-LX Gigabit Ethernet boards running at 1.25 Gbaud
to single mode and multimode fiber optic cables. The multi-rate
transceiver operates at Fast Ethernet data rate 125 Mbps to
Gigebit Ethernet 1.25 Gbps. In addition to option “L2” for the
5 km distance specified in IEEE 802.3z standard, five other
options with longer distance capability with single mode fibers
are offered. In option “L1”, a 1300 nm Fabry Perot laser with
higher power and narrower spectral width and center
wavelength range is used to increase the distance to at least
10 km. In option “L0”, an even higher power 1300 nm Fabry
Perot laser is used to offer more optical power budget. In option
“H3”, a 1300 nm DFB laser and a high sensitivity receiver are
used to increase the distance to over 25 km or 30 km (assuming
worst case fiber loss of 0.4 dB/km and 0.35 dB/km respectively).
In option “H5”, a 1550 nm DFB laser and a high sensitivity
receiver are used to increase the distance to over 35 km or
40 km (assuming worst case fiber loss of 0.3 and 0.25 dB/km
respectively). Finally, in option “H7”, a high power 1550 nm
DFB laser and an ultra high sensitivity receiver are used to
increase the distance to 70 km (assuming fiber loss of 0.2 to
0.25 dB/km). All modules satisfy Class I Laser Safety
requirements in accordance with the US FDA/CDRH and
international IEC-825 standards.
The transmit and receive functions are contained in a narrow
width two-row, 10-pin (2x5) package with a Duplex LC
connector interface. The receptacle fits into an RJ-45 form
factor outline. The 10-pin configuration is in conformance to
a Small Form Factor (SFF) multisource agreement.
The transmitter and receiver DATA interface are differential
direct-coupled LV-PECL. An alternate version with
AC coupling interface is also available. An LV-TTL Transmitter
Disable control input is provided. The receiver Signal Detect
output interface is also LV-TTL.
The transceiver operates from a single +3.3V power supply
over an operating temperature range of -5 °C to +70 °C and
-40 °C to +85 °C (“A” option). The package is made of metal for
excellent EMI shielding.
Absolute Maximum Ratings
Parameter
Symbol
Minimum
Maximum
Units
Tst
- 40
+ 85
°C
- 40
+ 85
- 5.0
+ 70
Storage Temperature
Operating Case Temperature
"A" option
Top
"Blank" option
°C
Supply Voltage
VCC
0
+ 5.0
V
Input Voltage
Vin
0
VCC
V
Output Current
IO
-
50
mA
-
-
Lead Soldering Temperature & Time
260°C, 10 sec
Optical Communication Products, Inc.
1
21737-0337, Rev. A
5-16-2002
DTR-1250-SM-LC/LS-MR
Transmitter Electrical Interface
Parameter
Input HIGH Voltage
1
Input LOW Voltage
1
(over Operating Case Temperature Range)
Symbol
Minimum
Typical
Maximum
Units
VIH
VCC - 1.165
-
VCC - 0.700
V
VIL
VCC - 1.950
-
VCC - 1.475
V
Transmitter Disable Voltage
VDIS
VCC - 1.3
-
VCC
V
Transmitter Enable Voltage
VEN
0
-
0.8
V
1
For AC-coupled modules, the input voltage swing is 0.25 V minimum and 1.2 V maximum single-ended.
Receiver Electrical Interface (over Operating Case Temperature Range)
Parameter
Output HIGH Voltage (LV-PECL)
1,2
Output LOW Voltage (LV-PECL)
1,2
Symbol
Minimum
Typical
Maximum
Units
VOH
VCC - 1.10
-
VCC - 0.90
V
V
VOL
VCC - 1.84
-
VCC - 1.60
Output HIGH Voltage (LV-TTL)
VOH
2.4
-
VCC
Output LOW Voltage (LV-TTL)
VOL
0
-
0.8
IO
Output Current
25
With 50 ohm terminated to VCC - 2 volt (for DC-coupled modules).
2
For AC-coupled modules, the output voltage swing into 50-ohm load is 0.3 V minimum and 1 V maximum single-ended.
mA
1
Electrical Power Supply Characteristics (over Operating Case Temperature Range)
Parameter
Symbol
Minimum
Typical
Maximum
Units
VCC
3.13
3.3
3.47
V
DC-coupled module
ICC
-
150
220
mA
AC-coupled module
ICC
-
175
245
mA
Supply Voltage
Supply Current 1
1
Supply current does not include termination.
Application Notes
+3.3 volt
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 50 ohm termination.
DATA interface (AC-coupled modules):
For modules with AC coupling option, both
transmitter and receiver interface has internal
bias, termination and AC coupling capacitor.
The transmitter can be connected directly to
the driving SERDES as shown in Fig. 2. The
receiver can be connected directly to the
external 50 ohm loads (termination resistor
of the SERDES). For best performance, both
DATA+ & DATA- should be used.
TX DISABLE: The transmitter is normally
enabled (i.e. when the TX DISABLE control
input is not connected or at LV-TTL logic
LOW). When the TX DISABLE voltage is
higher than VCC - 1.3 V, the laser is turned off
independent of the input data.
SIGNAL DETECT: The Signal Detect
circuit monitors the level of the incoming
optical signal and generates a logic LOW
signal when insufficient photocurrent is
produced. Its output is LV-TTL with no
termination required.
Capacitor values in µF, Resistor values in ohm
1 µH coil or
ferrite inductor
+
0.1
10
0.1
160
1 µH coil or
6
ferrite inductor
+
10
2
TXD+
9
100
0.1
TXD RXD+
50 ohm line
5
8
SIGNAL DETECT
LV-PECL
50 ohm line
10
TX DISABLE
160
50 ohm line
RXD -
4
3
GND
POSTS
7
1
160
50 ohm line
100 LV-PECL
160
Fig.1 DC-coupled modules
+3.3 volt
Capacitor values in µF, Resistor values in ohm
1 µH coil or
ferrite inductor
depending on SERDES
+
0.1
10
0.1
160
1 µH coil or
6
ferrite inductor
+
10
2
9
100
TXD+
TXD - 50 ohm line
0.1
10
RXD+
TX DISABLE
8
SIGNAL DETECT
3
160
50 ohm line
SERDES
50 ohm line
5
RXD - 50 ohm line
7
GND
POSTS
100
4
1
depending on SERDES
Fig.2 AC-coupled modules
21737-0337, Rev. A
5-16-2002
2
DTR-1250-SM-LC/LS-MR
Transmitter Performance Characteristics (over Operating Case Temperature, VCC = 3.13
Parameter
Symbol
B
Data Rate
Minimum
Typical
Maximum
to 3.47 V)
Units
125
1250
1300
Mb/s
L2
- 11.0
- 3.0
L1
- 9.0
- 3.0
Po
Optical Output Power 1
L0
- 5.0
0
dBm
H3, H5
- 4.0
1.0
H7
- 3.0
2.0
L2
1270
1310
1355
L1, L0 (-5°C to 70°C)
1285
1310
1345
λc
Center Wavelength
nm
L1, L0 (-40°C to 85°C)
1274
1310
1360
H3
1280
1310
1335
H5, H7
1480
1550
1580
L2
4.0
∆λRMS
Spectral Width (RMS) 1
L1, L0
2.5
nm
∆λ
Spectral Width (-20 dB)
H3, H5, H7
1.0
20
Phi / Plo
9
dB
Extinction Ratio
DJ
Deterministic Jitter
80
ps
RJ
Random Jitter
147
ps
RIN
Relative Intensity Noise
- 120
dB/Hz
Transmitter Output Eye
compliant with Eye Mask Defined in IEEE 802.3z standard
1
Measured average power coupled into single mode fiber (SMF). For 50 µm or 62.5 µm multimode fiber (MMF) operation, the output power is
0.5 dB less and is measured after a single mode fiber offset-launch mode-conditioning patch cord as specified in IEEE 802.3z .
Receiver Performance Characteristics (over Operating CaseTemperature, VCC = 3.13
Parameter
Symbol
Data Rate
Minimum Input Optical Power
(10-12 BER) 1
L2, L1, L0
H3, H5
H7
Maximum Input Optical Power (10-12 BER) 1
Minimum
Typical
Maximum
Units
B
125
1250
1300
Mb/s
Pmin
- 20.0
- 21.0
- 23.0
-
-
dBm
Pmax
- 3.0
-
-
dBm
-
-
- 20.0
-
-
- 21.0
-
-
- 23.0
Psd-
- 30.0
-
-
dBm
L2, L1, L0
Signal Detect
Thresholds
Increasing
Light Input
H3, H5
Psd+
H7
Decreasing Light Input
Signal Detect Hysteresis
to 3.47 V)
dBm
-
0.5
-
-
dB
Deterministic Jitter
DJ
-
-
170
ps
Random Jitter
RJ
-
-
96
ps
Wavelength of Operation
λ
1100
-
1600
nm
Return Loss
-
12
-
-
dB
Electrical 3 dB upper cutoff frequency
-
-
-
1500
MHz
Stressed Receiver Sensitivity
1
compliant with IEEE 802.3z standard
Measured with 27-1 PRBS at 1250 Mb/s and 125 Mb/s at 1300 nm wavelength.
Power supply and grounding: The power supply line should
be well-filtered. All 0.1 µF power supply bypass capacitors
should be as close to the DTR transceiver module as possible.
The two front GND posts (mounting studs) should be
grounded to Chassis Ground for best EMI and ESD protection.
If Chassis Ground is not available, they should be tied to
Circuit Ground.
Transmission distance: The transmission distances
indicated for the H3, H5 and H7 modules with DFB laser
options are guidelines only, not guaranteed. The exact
distance is dependent on the particular fiber loss involved
and can be calculated from the optical loss budget.
3
21737-0337, Rev. A
5-16-2002
DTR-1250-SM-LC/LS-MR
48.44
1.907
Package without
EMI shield (LC)
10.54
.415
RX
13.56
.534
TX
6.25
.246
9.35
.368
9.78MAX
.385MAX
0.38
.015
*y
18.54
.730
*x
0.46
.018
2X
1.02
.040
2X
2.54
.100
10
13.11
.516
10.16
.400
1
0.76
.030
1.91
.075
1.78
.070
Dimension in inches [mm]
17.78
.700
Package with
EMI Shield (LS)
48.44
1.907
10.54
.415
13.56
.534
6.25
.246
4.1
.16
9.65
.380
9.78MAX
.385MAX
0.38
.015
*y
11
.43
18.54
.730
*X
0.46
2X
.018
1.02
.040
2.54
2X
10
.100
13.41
.528
10.16
.400
14.8
.58
1
0.76
.030
1.91
.075
1.78
.070
17.78
.700
Dimension in inches [mm]
Notes:
1. Default tolerance for all dimensions given in inches (Unless otherwise noted)
.xxx = +0.005
.xx = +0.01
2. *x, *y: see Pin length option table in ordering information
21737-0337, Rev. A
5-16-2002
4
DTR-1250-SM-LC/LS-MR
Pin Assignments
PIN
Laser Safety: All transmitters are Class I Laser products
per FDA/CDRH and IEC-825 standards. They must be
operated under specified operating conditions.
FUNCTION
1
RX GND
2
VCCRX
3
SD (RX SIGNAL DETECT)
4
RD- (RX DATA OUT -)
5
RD+ (RX DATA OUT +)
6
VCCTX
7
TX GND
8
TX DISABLE
9
TD+ (TX DATA IN +)
10
TD- (TX DATA IN -)
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
Ordering Information
DTR-1250 - SM - WW - T - Xn - YY - Mp - MR
Package Types
LC: Package without Shield
LS: Package With Shield
Temperature Range
Coupling option
“Blank”: -5 °C to 70 °C
“A”: -40 °C to 85 °C
“Blank”: DC coupling
AC : AC coupling
Pin Length option table
Light Output Power
L2:
L1:
L0:
H3:
H5:
H7:
see Pin Length
option table
-7dBm (typ.), (5km)
-6dBm (typ.), (10km)
-3dBm (typ.), (10km)
-1dBm (typ.), (25 km w/ 1300 nm DFB laser)
-2dBm (typ.), (40 km w/ 1550 nm DFB laser)
-1dBm (typ.), (70 km w/ 1550 nm DFB laser)
Options
(P)
Pin Length (x)
Inches
Millimeters
Post Length (y)
Inches
Millimeters
M
0.140 + 0.010
3.56 + 0.250
0.125 + 0.010
- 0.005
3.17 + 0.250
- 0.125
M5
0.155 + 0.010
3.94 + 0.250
0.155 + 0.010
- 0.005
3.94 + 0.250
- 0.125
M8
0.180 + 0.010
4.57 + 0.250
0.180 + 0.010
4.57 + 0.250
Note:
1. When “A” option is required for H5 and H7 power output, it is only available over temperature range of -25°C to +70 °C.
2. These are target distances to be used for classification and not for specification.
Optical Communication Products, Inc.
20961 Knapp Street, Chatsworth, CA 91311, Tel.: 818-701-0164, FAX: 818-701-1468, http://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.
5
21737-0337, Rev. A
5-16-2002
Contents
Description ................................................................................................................................... 1
Absolute Maximum Ratings ........................................................................................................ 1
Transmitter Electrical Interface (over Operating Case Temperature Range) ....................... 2
Receiver Electrical Interface (over Operating Case Temperature Range) ............................. 2
Electrical Power Supply Characteristics (over Operating Case Temperature Range) ......... 2
Application Notes ........................................................................................................................ 2
Transmitter Performance Characteristics (over Operating Case Temperature) ................... 3
Receiver Performance Characteristics (over Operating CaseTemperature) ......................... 3
Package without EMI shield (LC) ............................................................................................................ 4
Package with EMI Shield (LS) .................................................................................................................. 4
Ordering Information.................................................................................................................. 5
21737-0337, Rev. A
5-16-2002
6