ZL60015
Optical Receiver. 1310/1550 nm, 2.5 Gbps
PIN + Pre-amp with Photocurrent Monitor
Data Sheet
January 2005
Ordering Information
ZL60015TBD, TO-46 with lens
The ZL60015 is also available assembled in
standard optical receptacles, or with a 1m 9µm fiber
pigtail with or without end-connector
ZL60015TDDB,
ZL60015TEDB,
ZL60015TFDB,
ZL60015TGDB,
ZL60015TJDB
ZL60015PADB,
ZL60015PDDB,
ZL60015PEDB,
ZL60015PFDB,
ZL60015PGDB,
in ST receptacle
in SC receptacle
in FC receptacle
in SMA receptacle
in LC-Sleeve
pigtail with no connector
pigtail with ST connector
pigtail with SC connector
pigtail with FC connector
pigtail with SMA connector
Features
•
•
•
•
•
•
•
•
Data rate up to 3.125 Gbps
1310/1550 nm InGaAs PIN photodiode
Integrated TIA amplifier
Photocurrent Monitor
0.155 to 3.125 Gbps multi-rate operation
Hermetically sealed package (MIL-STD 883)
Single 3.3 V supply
Pb-free packaging
In addition the ZL60015 can also be supplied in
customer-specific fiber pigtails or receptacles,
on request
-40°C to +85°C
Applications
•
•
•
SONET/SDH OC-48/STM-16
SFF and SFP transceiver modules
Proprietary 1310/1550 nm optical communication
links
Description
The ZL60015 is a compact optical receiver designed
for 1310/1550 nm based SONET/SDH OC-48/STM-16
applications. It is ideally suited for use in multi-rate
transceiver modules as well as general optical
communication applications with data rates up to
3.125 Gbps.
The optical receiver is assembled in a single compact
TO-46 package and contains an optimized InGaAs PIN
photodiode in combination with a low-noise
transimpedance amplifier (TIA). It includes an
additional pin allowing the photocurrent from the
detector to be directly monitored. The receiver
operates using a single 3.3 V power supply. It is
designed for use with a 9 µm single-mode fiber.
Reliability assurance is based on Telcordia GR-468-
CORE and the part is compliant to the EU directive
2002/95/EC issued 27 January 2003 [RoHS].
V
CC
DATA
I
MON
DATA
Case
GND
Bottom View
Figure 1 - Pin-out Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003-2005, Zarlink Semiconductor Inc. All Rights Reserved.
ZL60015
Optical and Electrical Characteristics
Parameter
Sensitivity (BER 10
-10
)
Optical Saturation (BER 10
-10
)
Photodiode Monitor Responsivity
Output Voltage amplitude,
differential (P
in
= -23 dBm)
Output Voltage amplitude,
differential (P
in
= -3 dBm)
Bandwidth (3 dB
el
)
Noise-Equivalent Power
Output Resistance (single-ended)
Power Supply Current
Power Dissipation
Focal distance (from top TO-can)
Symbol
S
P
sat
R
mon
∆V
OL
∆V
OH
f
C
NEP
R
out
I
DD
P
D
L
focal
20
240
2
-32
50
25
85
2.0
38
140
-30
1
0.9
50
300
Min.
Typ.
-25
Max.
-23
Unit
dBm
dBm
A/W
mV, pp
mV, pp
GHz
dBm
Ω
mA
mW
mm
Data Sheet
Test condition
ER =
∞
Note 1
ER = 10 dB, Note 1
P
in
= -10 dBm,
See Figure 4
Note 1, ER= 10 dB
See Figure 3
Note 1, ER = 10 dB
See Figure 3
P
in
= -10 dBm
Note 2
General Test Conditions:
Case Temperature, 25°C / Supply Voltage, 3.3V / R
L
=100
Ω
differential / Fiber: single-
mode 9/125 µm / Wavelength,
λ
= 1310 nm
Note 1:
Note 2:
Measured using 2
23
-1 PRBS pattern at 2.5 Gbps
Measured with an STM-16 filter on electrical output, i.e., 1.875 GHz.
Recommended Operating Conditions
Parameter
Supply Voltage
Output Differential Load (Note 3)
Operating Temperature
Signalling Rate (Note 4)
Note 3:
Note 4:
Symbol
V
CC
R
L
T
op
f
D
Min.
3
80
-40
0.155
Typ.
Max.
3.6
Unit
V
Ω
°C
Gbps
100
85
3.125
Typical value corresponds to the load presented by a following post-amplifier
Data pattern having maximum run-length and DC-balance shifts no greater than those found in a PRBS-31 pattern.
Absolute Maximum Ratings
Functional operation is not guaranteed under these conditions. Exceeding these ratings may cause permanent damage. (Note
limits need not necessarily be applied together).
Parameter
Supply Voltage
Storage Temperature
Soldering Temperature (Note 5)
Note 5:
2mm from case for 10 seconds.
Symbol
V
CC
T
stg
T
sld
Min.
0
-55
Max.
5
125
260
Unit
V
°C
°C
2
Zarlink Semiconductor Inc.
ZL60015
Additional Information
100
Data Sheet
Relative Responsivity (%)
90
80
70
60
50
40
30
20
10
0
800
900
1000
1100
1200
1300
1400
1500
1600
1700
Wavelength (nm)
Figure 2 - Relative Detector Responsivity vs. Wavelength
350
300
250
200
150
100
50
0
-25
-20
-15
-10
Pin (dBm)
-5
0
Figure 3 - Differential Output Voltage Amplitude vs. Optical Input Power
Vout_diff (mV)
3
Zarlink Semiconductor Inc.
ZL60015
Application Guidelines
ESD Handling
Data Sheet
The receiver is sensitive to electrostatic discharges. When handling the device, precaution for ESD sensitive
devices should be taken. These precautions include use of ESD protected work area with wrist straps, controlled
work benches, floors etc.
Photodiode Monitor
The Monitor pin is a current sink output signal directly proportional to the optical input power. To convert the current
from the Monitor pin to a voltage a resistor to V
CC
should be used. Note to maintain linearity the Monitor pin should,
when in use, be maintained at a bias > 1V.
Host Board Layout Example
Included in the example of a Host Board Layout (Figure 4) are power supply decoupling capacitors. These are
recommended for optimal performance of the receiver. A filter is also included to minimise power supply noise.
A suggested post-amplifier is shown, namely MAX3748. Alternative post-amplifiers may also be used by the
customer.
Vcc
10uH
1k
100nF
100pF
V
mon
I
mon
Fiber
50 Ohm
100nF
Post-Amp
ZL60015
50 Ohm
100nF
Figure 4 - Host Board Layout Example
4
Zarlink Semiconductor Inc.
FRONT VIEW ( 2 : 1 )
n
2,502 + 0,008
-
SIDE VIEW
2,1
0
18
22,15
`
0,1
A
8,9
`
0,1
3,4
14
`
1
6,75
12,2
`
0,1
14,7
n
2,3 THRU (2x)
Component *
Connector housing (PA66, 13% Glass fibre)
12,8
`
0,1
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