Up to 400 mW Fiber Bragg Grating Stabilized 980 nm Pump Modules
2745 Series
Key Features
• High kink-free powers to 400 mW
• Reduced TEC power consumption, compatible with legacy
temperature control
• Low-profile 14-PIN butterfly planar package
• Fiber Bragg grating stabilization
• Wavelength selection available
• Integrated thermoelectric cooler, thermistor, and
monitor diode
• High dynamic range
Applications
• Dense wavelength division
multiplexing (DWDM) EDFAs for
small package designs
• High bit-rate, high channel-count EDFAs
• CATV distribution
The JDSU 2745 series of 980 nm pump modules uses a planar construction with
chip on subcarrier. The `semicooled' 45°C laser diode operation provides for a
significant reduction in TEC and overall power consumption. The high-power
JDSU laser chip is hermetically sealed in a low-profile, 14-pin butterfly package,
fitted with a thermistor, thermoelectric cooler, and monitor diode. The module
meets the stringent requirements of the telecommunications industry, including
Telcordia GR-468-CORE for hermetic 980 nm pump modules.
The 2745 series pump module, which uses fiber Bragg grating stabilization to lock
the emission wavelength, provides a noise-free, narrowband spectrum, even
under changes in temperature, drive current, and optical feedback. Wavelength
selection is available for applications requiring the highest performance in
spectrum control with the highest powers available.
Compliance
• Telcordia GR-468-CORE
NORTH AMERICA
:
800 498-JDSU (5378)
WORLDWIDE
:
+800 5378-JDSU
WEBSITE
:
www.jdsu.com
2745 SERIES
2
Dimensions Diagram
250 µm Bare Fiber Type A Wiring
Note: Specifications in mm unless otherwise noted; tolerance = .x ± .3, .xx ± .20.
The module pigtail consists of 250 µm buffered, Corning PureMode
TM
HI-1060 Single-
mode fiber.
45.04
30.0
1600 M I N (1900 NOM )
1000 NOM . TO CENTER OF GRATING
26 . 0
20 . 8
17.8
1 .5
500 NOM . TO C/L OF SPLICE (OPTIONAL)
4 0 . 5 N O M . 1 5 . 5 1 2. 7
9 .0
STRAIN RELIEF
FLEXIBLE <=400
MICRON RECOAT
4.6
4X
2 .5 0 TH RU
1 2X 2 . 5 L E A D S P A C I N G
T O L E R A N C E I S N O N -A C C U M U L A T I V E
14X 0.51 LEAD WIDTH
260 < RECOAT <
935 (MICRON)
2.8
4.0 0
1.50
7 . 7 ±0. 20
RED NON-XYLENE MARK
FOR RECOAT WITH 295 35 μm
3. 9
1.5
5 . 6 T O L EA D C / L
2X ~ 5
5. 26
0.25 LEAD THICKNESS
Pinout
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Description
Cooler (+)
Thermistor
Monitor PD Anode
Monitor PD Cathode
Thermistor
N/C
N/C
N/C
N/C
Laser Anode
Laser Cathode
N/C
Case Ground
Cooler (-)
7
6
5
4
3
2
1
8
9
10
11
12
13
14
2745 SERIES
3
Table 1 Absolute Maximum Ratings
Parameter
Operating case temperature
Storage temperature
LD submount temperature
LD reverse voltage
LD forward current
LD current transient
LD reverse current
PD reverse voltage
PD forward current
Electrostatic discharge (ESD)
TEC current
TEC voltage
Axial pull force
Side pull force
Fiber bend radius
Relative humidity
Lead soldering time
Symbol
T
op
T
stg
T
LD
V
r
Test Conditions
-
2,000 hours
-
-
-
1 µs maximum
-
-
-
C = 100 pF, R = 1.5
Ω,
human body model
-
-
3 x 10 seconds
3 x 10 seconds
-
40°C
300°C
Minimum
-5°C
-40°C
0°C
-
-
-
-
-
-
-
-
-
-
-
16 mm
5%
-
Maximum
75°C
85°C
50°C
2V
1,000 mA
1,100 mA
10 µA
20 V
10 mA
1,000 V
2.5 A
4.0 V
5N
2.5 N
-
95%
10 seconds
V
PD
I
PD
V
ESD
I
TEC
V
TEC
R
H
Note: Absolute maximum ratings are the maximum stresses that may be applied to the pump module for short periods of time without causing damage. Stresses in excess of the absolute maximum ratings can
permanently damage the device. Exposure to absolute maximum ratings for extended periods, or exposure to more than one absolute maximum rating simultaneously may adversely affect device reliability.
Table 2 Operating Parameters
(BOL, T
case
= 0 to 75°C, T
LD
= 45°C, -50 dB reflection, unless noted otherwise)
Product Code
Maximum Operating
Power P
op
(mW)
100
120
135
155
170
190
205
225
240
260
275
295
310
330
340
Maximum Operating
Operating Current I
op
(mA)
300
320
330
360
400
440
480
520
560
600
640
680
725
780
820
Minimum Kink-Free
Power P
max
(mW)
120
140
160
180
200
220
240
260
280
300
320
340
360
380
400
Kink-Free Current
I
max
(mA) Maximum
340
355
380
420
460
510
560
600
650
700
750
820
860
910
950
27-xxxx-120-45
27-xxxx-140-45
27-xxxx-160-45
27-xxxx-180-45
27-xxxx-200-45
27-xxxx-220-45
27-xxxx-240-45
27-xxxx-260-45
27-xxxx-280-45
27-xxxx-300-45
27-xxxx-320-45
27-xxxx-340-45
27-xxxx-360-45
27-xxxx-380-45
27-xxxx-400-45
2745 SERIES
4
Table 3 Available Peak Wavelength Selection
(T
amb
= 25±3°C, 50 mW < P < P
op
)
Product Code
27-8000-xxx-45
27-7402-xxx-45
27-7552-xxx-45
27-7602-xxx-45
27-7702-xxx-45
Minimum Peak Wavelength
973.5 nm
973.5 nm
974.5 nm
975.0 nm
976.0 nm
Maximum Peak Wavelength
978.0 nm
975.0 nm
976.5 nm
977.0 nm
978.0 nm
Table 4 Electro-optical Performance
(BOL,T
case
= 0 to 75°C,T
LD
= 45°C, -50 dB reflection, unless noted otherwise)
Parameter
Threshold current
Forward voltage
Spectral width
Peak wavelength tuning
Side-mode suppression ratio
Relative optical power stability
Symbol
I
th
V
f
Δλ
RMS
Δλ
P
/ΔΤ
amb
SMSR
Test Condition
-
I
f
= I
op
50 mW < P < P
op
50 mW < P < P
op
50 mW < P < P
op
Peak-to-peak, T = 10 min,
50 kHz sampling, T
case
= 25 °C
20 mW < P < P
op
12 mW < P < 20 mW
3.5 mW < P < 12 mW
20 mW < P < P
op
1
20 mW < P < P
op
2
20 mW < P < P
op
T
case
= 75°C
T
case
= 75°C
-
-
Minimum
-
-
-
-
15 dB
Maximum
40 mA
2.5 V
2.0 nm
0.02 nm/°C
-
Tracking error
Tracking ratio
Monitor diode responsivity
TEC current
TEC voltage
Thermistor resistance
Thermistor constant
TE
TR
Resp
BF
I
TEC
V
TEC
R
th
B
-
-
-
-25%
0.75
2 µA/mW
-
-
9.5 kΩ
3600 K
4%
10%
25%
25%
1.25
10 µA/mW
1.5 A
2.5 V
10.5 kΩ
4200 K
1. The Tracking Error is defined as the normalized change of output power relative to the operating power over case temperature range 0°C to 75°C, at constant back face monitor current corresponding
to the operating power at 25°C.
2. The Tracking Ratio is a measure of the front-to-back tracking when the output power is varied. On a plot of optical power versus back-face photocurrent, a straight line is drawn between the minimum
power (20 mW) and the operating power P
op
points. The tracking ratio is defined as the ratio between measured optical power (shown as data points on the plot) to the value derived from the straight line.
2745 SERIES
5
Table 5 TEC and Total Module Power Consumption
(For
ΔT
= 30°C, BOL, T
case
= 75°C, T
ld
= 45°C unless noted otherwise)
Product Code
TEC Current
I
max
(A)
0.58
0.60
0.63
0.65
0.69
0.71
0.78
0.83
0.90
0.94
1.00
1.06
1.13
1.21
1.28
TEC Voltage
V
max
(V)
0.90
0.92
0.96
0.98
1.04
1.07
1.17
1.25
1.31
1.38
1.45
1.52
1.57
1.65
1.75
TEC Power Consumption
P
max
(W)
0.52
0.55
0.60
0.64
0.72
0.76
0.91
1.04
1.18
1.30
1.45
1.61
1.77
2.00
2.24
Total Module Power
Consumption P
max
(W)
1.01
1.08
1.17
1.26
1.43
1.56
1.81
2.04
2.28
2.51
2.76
3.03
3.31
3.68
4.03
27-xxxx-120-45
27-xxxx-140-45
27-xxxx-160-45
27-xxxx-180-45
27-xxxx-200-45
27-xxxx-220-45
27-xxxx-240-45
27-xxxx-260-45
27-xxxx-280-45
27-xxxx-300-45
27-xxxx-320-45
27-xxxx-340-45
27-xxxx-360-45
27-xxxx-380-45
27-xxxx-400-45
Ordering Information
For more information on this or other products and their availability, please contact your local JDSU account manager or
JDSU directly at 1-800-498-JDSU (5378) in North America and +800-5378-JDSU worldwide, or via e-mail at
[i=s] This post was last edited by paulhyde on 2014-9-15 09:20 [/i] We are working on program control topics, mainly program control audio. Come in and discuss...
The third naked flight of Dr. Dot's micro quadcopter is successful: Dr. Dot's micro quadcopter uses STM32 as the main control, MPU6050 as the gyroscope and accelerometer. It uses HMC5883L geomagnetome...
Moderator Chip Coin issuance requirements: Monthly online time> 30 hours Monthly posts> 30 posts Some small rules for moderators: [url=https://bbs.eeworld.com.cn/thread-77551-1-1.html]https://bbs.eewo...
tq2440/arm9 development board/s3c2440/arm development board + 4.3 inch LCD 14DVD data/U to serialAsking price: 380 not including postageQQ 509827681TQ2440 consists of V2 core board and TQ2440 baseboar...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Electronics Design Contest
京公网安备 11010802033920号
EEWORLD
