Description
Designed to provide high optical
performance for ITU-T G. 652 st and ard
optical fiber and ITU- T G. 653 shift ed
dispersion fiber, t he Alcat el 1954
DMC consists of a reliable III-V APD
photodetector integrated in an
hermetic singlemode pigtailed coaxial
module with connector.
The entire Alcatel 1900 DMC family
inclu des field-proven, reliab l e,
InGaAsP PIN photodetector with or
without silicon preamplifier or InGaAsP
Avalanche Photodetector (APD), in an
hermetically sealed coaxial package.
Features
• 0.8 A/W typical responsitivity
• Operation at 1310 nm, 1550 nm
extended to 1620 nm wa velengt hs
• Case operating temperature
from - 40 to + 85 °C
• 3 GHz minimum bandwidth
• Bit rate from 100 Mbit s/s u p t o 2. 7
Gbits/s
• Low dark current
• Low capacitance
• Space-saving pack a g e
• Alcatel Reliability and Qualification
Program for built in quality
Applications
Used in telecommunications and
dataco m m u n ic ation systems, from
medium to high speed for Long-Reach
and Ultra-Long-Reach applications,
Alcatel 1954 DMC modules offer a
wide case operating temperature
range from - 40 to + 85 °C.
Part of the Alcatel 1900 DMC family,
the Alcatel 1954 DMC modu le is
particularly suited for all types of Long-
Haul, Metro and Access optical links
such as :
Fiber In The Loop (FTTB, FTTC, FTTH...)
Digital transport links
Private optical networks
Intra and interoffice links
Optical characteristics
Condition Symb Min Typ Max Unit
Detection range λ1260 1620 nm
Responsitivity 1310 nm, M = 1, PIN = 1 µW Rλ0.75 0.8 A/W
1550 nm, M = 1, PIN = 1 µ W 0.75 0.8
1610 nm, M = 1, PIN = 1 µ W 0.65 0.7
Breakdown voltage ID=10µA VBR 30 75 V
Dark current 0,9 VBR, TC = 25 °C ID25 70 nA
0,9 VBR, TC = 75 °C ID75 0.8 µA
0,9 VBR, TC = 85 °C ID85 1.7 µA
Multiplied Dark current M = 1, TC = 25 °C I DM25 15 nA
M = 1, TC = 75 °C IDM75 160 nA
M = 1, TC = 85 °C IDM85 340 nA
Cut-off frequency Note 1 FC3.0 3.5 GHz
Capacitance F = 1 MH z, V R =3 V CT0.6 pF
Optical return loss 30 dB
All parameters are specified End-of-Life within the overall relevant operating temperature range.
The typical values are referenced to + 25 °C, nominal power supply, beginning of life.
Note 1 : M = 10, RL = 50 Ω, - 3 dB from 500 kHz w it h 5 m m recom m ended p in lengt h.
A
lcatel 1954 DMC
Pigtailed Coaxial Module
2.5 Gbit/s APD Detector
Absolute maximum ratings
Parameter Cond Symbol Min Max Unit
Optical Peak Power M < 3 PMAX 4mW
Photodetector reverse current IR2mA
Photodetector forward current IF10 mA
Storage temperature TSTG - 40 + 85 °C
Operating temperature TOP - 5 + 75 °C
- 40 + 85
Stresses in excess of th e ab solu t e Maxim u m R a t in g s m a y c au se
permanent damage to the device. These are absolute stress ratings only.
Mechanical details
Pin out
N° Symb Description
1GNDCase Ground
2 VCC Photodiode Cathode
3 APD Photodiode Anode
May 2001
Copyright © 2000
Alcatel Optronics
Customized versions are available for
large quantities.
Performance figures contained in this
document must be specifically
confirmed in writing by Alcatel
Optronics before they become
applicable to any particular order or
contract . Alcatel Optronics r eserves the
right to make changes to the products
or information contained herein
without notice.
EUROPE
Route de Ville just
F-91625 NOZAY CEDEX
Tel : (+33) 1 64 49 49 10
Fax : (+33) 1 64 49 49 61
USA
15036, Conference Centre Drive
CHANTILLY - VA 20151
Tel : (+1) 703 679 3600
Fax : (+1) 703 679 6667
CANADA
45, De Villebois, suite 200
Gatineau (PQ)
Canada, J8T 8J7
Tel : (+1) 819 243 3755
Fax : (+1) 819 243 3354
JAPAN
Yebisu Garden Place Tower
PO Box 5024
20-3, Ebisu 4 - Chome
Shibuya - ku TOKYO 150 - 6028
Tel : (+81) 3 5424 85 65
Fax : (+81) 3 5424 85 81
Ordering information
Alc a tel 1954 DMC
Temperature Part Number
range(°C)
- 5…+ 75 3CN 00377 D#
- 40…+ 85 3CN 00362 D#
Connectors options
3CN xxxxx DA → FC/PC
DB → SC/PC
DN → MU
Standards
ITU-T G.652 optical fiber
ITU-T G.653 shifted dispersion fiber
IEC 68-2 and MIL STD 883 environment
ATTENTION
OBSERVE
PRECAUTIONS FOR
HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE DEVICES
