Unidirectional Integrated TAP
Monitor Array
UTMA Series
Product Description
Oplink’s Unidirectional Integrated Tap Monitor Array (UTMA) is assembled using individual Unidirec-
tional Integrated Tap Monitor (UTMS) to guarantee no optical or electrical cross-talk among different
channels. UTMS is a hybrid component that integrates a flat spectral response of a thin-film tap with a
high sensitivity PIN photodiode for power monitoring applications. The Unidirectional feature allows
power monitoring from input port only. UTMA minimizes component assembly costs and module
footprint while increasing module design efficiency by facilitating fiber management.
Each UTMS in the UTMA integrates the functionality of an optical coupler and a photodiode while de-
livering low insertion loss and low dark current with high temperature stability over a wide wavelength
range. It is compact and easy to mount on a PCB board for module and network system use.Applica-
tions include DWDM channel power monitoring, optical network switching/protection monitoring,
re-configurable optical add/drop multiplexers, and gain/attenuation monitoring in amplifier systems.
Oplink can provide customized designs to meet specialized feature applications. Also, Oplink offers
modular assemblies that integrate other components to form a full function module or subsystem.
Functional Diagram
Input
Output
PD
Performance Specificationns
Parameters
Specification
Unit
Features
Operating Wavelength Range
Insertion Loss (@λop, Top, All SOP,
exclude connectors)
Polarization Dependent Responsivity
Return Loss (exclude connector)
2%
Tapped
Monitoring
power at input port)
1260 ~ 1360
2%
5%
10%
≤ 0.5
≤ 0.7
≤ 1.0
≤ 0.1
≥ 45
10 ~ 23
26 ~ 59
52 ~ 110
1510~1610
nm
dB
dB
dB
Flat and broad operating wavelength
range
Low insertion loss and PDL
Low dark current
Various tap ratio available
High temperature stability with
hermetically sealed photodiode
Monitor optical signal from one
direction only
Through
14 ~ 25
36 ~ 65
70 ~ 120
≤ 0.15
≥ 33
≤5
≥1
≤ 20
≤5
dB
dB
nA
nA
V
mA
dBm
mA/W
Responsivity
(relative to nominal
5%
10%
Responsivity Polarization Dependence
Directivity
1
Applications
PD Dark Current (@ -5V bias, 70°C)
PD
Bandwidth (50ohm, 5V, -3dB)
Reverse Voltage
Forward Current
2%
Input Optical Power
Conditions
Operating Temperature Range
(<85%RH, Non-condensing)
EDFA and Raman amplifiers
Add/Drop and optical protection
monitoring
DWDM/CWDM systems
≤ 21
≤ 16
≤12
-0
-40
+70
+85
°C
°C
5%
10%
Storage Temperature Range
(<85%RH, Non-condensing)
Fiber Type
Corning SMF-28
Notes:
1. Directivity is defined as -10 log(ℜ
O
ut
→PD
/
ℜ
I
n
→PD
)
where
ℜ
stands for responsivity.
* All spec excluding connectors.
* The maximum IL is under all states of polarization
and within the full operating temperature and wave-
length ranges specified.
S0073 - R04. 20111021
Unidirectional Integrated TAP Monitor Array
UTMA Series
Mechanical Drawing / Package Dimensions (dimension in mm)
1) 4-ch UTMA
2) 8-ch UTMA
3) 10-ch UTMA
46335 Landing Parkway Fremont, CA 94538-6407 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com
Electrical Pin Assignment
Pin#: Common Cathode Assignment
Pin1: Common Cathode for Ch1 & 2
Pin2: Anode Ch1
Pin3: Anode Ch2
Pin4: Common Cathode for Ch3 & 4
Pin5: Anode Ch3
Pin6: Anode Ch4
Common Anode Assignment
Common Anode for Ch1 & 2
Cathode Ch1
Cathode Ch2
Common Anode for Ch3 & 4
Cathode Ch3
Cathode Ch4
Electrical Pin Assignment
Pin#: Common Cathode Assignment
Pin1: Common Cathode for Ch1 & 2
Pin2: Anode Ch1
Pin3: Anode Ch2
Pin4: Common Cathode for Ch3 & 4
Pin5: Anode Ch3
Pin6: Anode Ch4
Pin7: Anode Ch5
Pin8: Common Cathode for Ch5 & 6
Pin9: Anode Ch6
Pin10: Anode Ch7
Pin11: Common Cathode for Ch7 & 8
Pin12: Anode Ch8
Common Anode Assignment
Common Anode for Ch1 & 2
Cathode Ch1
Cathode Ch2
Common Anode for Ch3 & 4
Cathode Ch3
Cathode Ch4
Cathode Ch5
Common Anode for Ch5 & 6
Cathode Ch6
Cathode Ch7
Common Anode for Ch7 & 8
Cathode Ch8
Electrical Pin Assignment
Pin#: Common Cathode Assignment
Pin1: Common Cathode for Ch1 to 4
Pin2: Anode Ch1
Pin3: Anode Ch2
Pin4: Anode Ch3
Pin5: Anode Ch4
Pin6: Anode Ch5
Pin7: Common Cathode for Ch5 to 8
Pin8: Anode Ch6
Pin9: Anode Ch7
Pin10: Anode Ch8
Pin11: Anode Ch9
Pin12: Common Cathode for Ch9 & 10
Pin13: Anode Ch10
Pin 14: Not connected
Common Anode Assignment
Common Anode for Ch1 to 4
Cathode Ch1
Cathode Ch2
Cathode Ch3
Cathode Ch4
Cathode Ch5
Common Anode for Ch5 to 8
Cathode Ch6
Cathode Ch7
Cathode Ch8
Cathode Ch9
Common Anode for Ch9 & 10
Cathode Ch10
Not connected
Ordering Information
Oplink can provide a remarkable range of customized optical solutions. For detail, please contact Oplink’s OEM
design team or account manager for your requirements and ordering information (510) 933-7200.
UTMA
2
0
No. of Channal
4 channels = 04
8 channels = 08
10 channels = 10
Tap Ratio
2/98 = 02
5/95 = 05
10/90 = 10
Bandwidth
2.0G = 20
Package Type
Common Anode = 1
Common Cathode = 2
Fiber Length
0.5meter = H
1.0meter = 1
1.5meter = 5
2.0meter = 2
Connector
Type
None = 1
FC/PC = 2
FC/SPC = 3
FC/APC = 4
SC/PC = 5
SC/SPC = 6
SC/APC = 7
ST = 8
LC = 9
MU = A
Wavelength
1310nm = 3
C+L band = E
1310/1550 = D
Fiber Type
250µm bare fiber = 1
900µm loose tube = 2
Ribbon fiber = 3
RoHS:
1. UTMA is RoHS 5 compliant (RoHS permitted Lead in solder exemption is applied).
2. Add “G” to the end of the above PN for RoHS 6 Requirement.
S0073 - R04. 20111021
Product Lines:
Mux/Demux
Switching/Routing
Coupling/Splitting
Monitoring/Conditioning
Amplification
Transmission
Interconnect
RGB Laser Modules
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