Document Outline
- Features
- Applications
- Description
- Optical and Electrical Characteristics
- Absolute Maximum Ratings
- Recommended Operating Conditions
- Typical Responsivity
- Application Guidelines
- ESD Handling
- Power Supply Filter
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003, Zarlink Semiconductor Inc. All Rights Reserved.
Features
Data rate up to 270 Mbps
1310 nm, 1550 nm PIN
TIA with AGC
Handles DC-unbalanced signals
Wide dynamic range
TO-46 assembly
3.3 V power supply
SMF and MMF
Applications
ANSI/SMPTE 259M
Figure 1 - Pin Diagram
Data Out
Vcc
Data Out
Case
V
EE
Bottom View
Description
This optical receiver is designed for SDI (Serial Digital
Interface) digital television transmission systems
where optical fiber replaces coaxial cable, to increase
transmission distance. It is designed in conjunction
with the ANSI/SMPTE 259 M standard and is capable
of handling DC-unbalanced (pathological) signals.
The receiver operates at 3.3 V and contains an InGaAs
PIN photodiode and a transimpedance amplifier with
AGC (Automatic Gain Control), assembled in a TO-46
package. Its double-lens optical system is designed for
use with single-mode fiber as well as multi-mode fiber
with a core diameter up to 62.5
m. Reliability
assurance is based on Telecordia GR-468-CORE.
Figure 2 - Functional Schematic
V
CC
GND
Data
Data
December 2003
Ordering Information
ZL60012TBD TO-46 with lens
-40
C to +85
C
ZL60012
1310 nm, 1550 nm 270 Mbps PIN
Preamplifier for SDI Digital Television
Data Sheet
ZL60012
Data Sheet
2
Zarlink Semiconductor Inc.
Test conditions: 25C Case Temperature/3.3 V Supply Voltage. Fiber: Single-mode to multi-mode 62.5/125
m
Note 1: Pf = 2
W Peak-Peak power at 10 MHz/50% duty cycle.
Note 2: Pf = 500
W Peak-Peak power at 10 MHz/50% duty cycle.
Note 3: Measured using DC-unbalanced patterns with 5% and 95% duty cycles, respectively at 270 Mbps.
Note 4: An OMA value has been quoted as this is more meaningful for DC unbalanced signals.
Note 5: Measured with a DC balanced signal with a 2
23
-1 PRBS at 270 Mbps.
Optical and Electrical Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Unit
Test condition
Responsivity, differential
R
10
30
50
kV/W
= 1310 nm
R
L
= 100
,
Note 1
Output Voltage differential
amplitude
V
O
130
mV,
p-p
R
L
= 100
Note 2
Data rate
f
R
270
Mbps
R
L
= 100
Optical Saturation Level (average)
P
sat
0
dBm
= 1310 nm,
Note 5
Noise-Equivalent Power
NEP
-45
dBm
= 1310 nm
Dynamic Range
32
dB
Sensitivity (BER10
-9
)
S
OMA
1.2
2.5
W
= 1310 nm,
Note 3 and 4
Sensitivity (BER10
-9
)
S
-32
-29
dBm
= 1310 nm,
Note 5
Output Resistance (single-ended)
R
O
36
44
57
Power Dissipation
P
D
180
mW
Power Supply Current
I
DD
20
35
50
mA
Absolute Maximum Ratings
Parameter
Symbol
Min.
Max.
Unit
Supply Voltage
V
CC
-0.5
5.5
V
Storage Temperature
T
stg
-55
125
C
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max
Unit
Supply Voltage
V
CC
3
5.5
V
Output Differential Load
R
L
100
Operating Temperature
T
op
-40
85
C
ER
=
ER
=
ZL60012
Data Sheet
3
Zarlink Semiconductor Inc.
Typical Responsivity
Fiber Core/Cladding Diameter Numerical Aperture
Wavelength
10/125
NA = 0.11
50/125
NA = 0.20
62.5/125
NA = 0.275
Differential responsitivity
1310 nm
30 kV/W
30 kV/W
30 kV/W
Differential responsitivity
1550 nm
36 kV/W
36 kV/W
36 kV/W
Figure 3 - Typical Responsivity vs Axial
Displacement for a Multi-mode Fiber
Figure 5 - Typical Responsivity vs Radial
Displacement for a Multi-mode Fiber
ZL60012
Data Sheet
4
Zarlink Semiconductor Inc.
Application Guidelines
ESD Handling
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.
Power Supply Filter
Power Supply decoupling capacitors are recommended for optimal performance of the receiver. A filter is
recommended to minimise power supply noise. See Figure 6.
Figure 6 - Recommended Power Supply Filter
C
0.1
F
C
10nF
L
10
H
Host
V
CC
PIN /
Preamp
BOTTOM VIEW ( 10 : 1 )
SIDE VIEW
Zarlink Semiconductor 2002. All rights reserved.
ISSUE
ACN
DATE
APPRD.
Previous package codes
Title
Drawing type
Package code
1
JS0 04078R1A
22-MAR-03
TD/BE
JS004078
Package drawing, TO-46 with lens
TB
2,54
1,17
n
- 0
0,05
+
(3x)
0,45
n
- 0,04
0,03
+
(4x)
n
1,02 max
1,0
2
45
3,
6
R2,7
3,8
0,6
13,46
`
0,76
n
4
,
7
Lens
n
1.5
`
0.05
R0,4 max
*
0,33 max
Brazed
*
0,25 max glass overmould (3x)
NOTES:-
1. All dimensions in mm.
2. General tol. ISO-2768-mK.
3. Coating: Case: Ni 1,5-2,5 m.
Header: Ni min 0,5 m / Au min 1,5 m.
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