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ZL60038 650-nm, 125 Mbps Pin Preamplifier for Plastic Optical Fiber
Data Sheet
August 2005
Ordering Information ZL60038TBDE, TO-46 with lens The ZL60038 is also available assembled in standard optical receptacles: ZL60038TDDE, ZL60038TEDE, ZL60038TFDE, ZL60038TGDE, in ST receptacle in SC receptacle in FC receptacle in SMA receptacle
Features
* * * * * Data rates up to 250 Mbps Large-area Si photodiode TIA with AGC Hermetically sealed package (MIL-STD 883) Single 3.3 V power supply
In addition the ZL60038 can also be supplied in customer-specific receptacles, on request -40C to +85C
Applications
* * * * Plastic Optical Fiber (POF) based optical communication links IEEE Fast Ethernet IEEE 1394b Firewire Automotive, Industrial and Residential Networking
VCC
Description
The ZL60038 is a compact optical receiver designed for 650-nm plastic optical fiber (POF) based optical communication systems with data rates up to 250 Mbps. The optical receiver is assembled in a single compact TO-46 package and contains an optimized large-area Si PIN photodiode in combination with a transimpedance amplifier (TIA) with automatic gain control (AGC). The receiver operates using a single 3.3 V power supply. It is designed for use with largecore POF with core sizes up to 980 m. Such optical fiber types are often found in Automotive, Industrial and Residential networks. Reliability assurance is based on Telcordia GR-468CORE and the part is compliant to the EU directive 2002/95/EC issued 27 January 2003 [RoHS].
Data Out
Data Out
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 2005, Zarlink Semiconductor Inc. All Rights Reserved.
ZL60038
Optical and Electrical Characteristics Parameter Sensitivity (BER 10-12) Optical Saturation (BER 10 Output Voltage amplitude, differential (Pin = -22 dBm) Output Voltage amplitude, differential (Pin = -3 dBm) Bandwidth (3 dBel) Noise-Equivalent Power Output Resistance (single-ended) Power Supply Current Power Dissipation Focal distance (from top TO-lens)
-12
Data Sheet
Symbol S ) Psat VOL VOH fC NEP RO IDD PD Lfocal
Min.
Typ. -24
Max. -22
Unit dBm dBm mV, pp mV, pp MHz dBm
Test condition
ER = Note 1
3 200 500 160 -40 50 20 70 1.3 30 100
ER = 10dB, Note 1 Note 1, See Figure 3 Note 1, See Figure 3 Pin= -10 dBm Note 2
mA mW mm
Test conditions: Case Temperature, 25C / Supply Voltage, 3.3V / RL=1000 differential / Plastic Optical Fiber: 980/1000 m, Step-index N.A. = 0.48 / Wavelength, = 650 nm
Note 1: Note 2: Measured using 2 7-1 PRBS pattern at 125 Mbps Measured with STM-1 filter on electrical output, i.e., 116 MHz.
Recommended Operating Conditions Parameter Supply Voltage Output Differential Load (Note 3) Operating Temperature Signalling Rate (Note 4)
Note 3: Note 4:
Symbol VCC RL Top fD
Min. 3.05 80 -40
Typ.
Max 3.55
Unit V C Mbps
1000 85 250
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-7 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: 2 mm from case for 10 seconds.
Symbol VCC Tstg Tsld
Min. 0 -55
Max. 4.5 125 260
Unit V C C
2
Zarlink Semiconductor Inc.
ZL60038
Additional Information
1 0 ,9
Data Sheet
Relative Responsivity
0 ,8 0 ,7 0 ,6 0 ,5 0 ,4 0 ,3 0 ,2 0 ,1 0 400 500 600 700 800 900 1000 1100
W a v e le n g th (n m )
Figure 2 - Relative Responsivity vs. Wavelength
0,6 0,5 Amplitude [mV] 0,4 0,3 0,2 0,1 0 -25 -20 -15 -10 -5 0 Pin [dBm ]
Figure 3 - Differential Output Voltage Amplitude vs. Optical Input Power
3
Zarlink Semiconductor Inc.
ZL60038
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. 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 recommended post-amplifier is shown, namely Maxim MAX3969. Alternative post-amplifiers may also be used by the customer.
Vcc 10uH
100nF
100pF
50 Ohm Fiber 50 Ohm
100nF
Post-Amp
ZL60038
100nF
Figure 4 - Host Board Layout Example
4
Zarlink Semiconductor Inc.
BOTTOM VIEW ( 10 : 1 )
3,8
SIDE VIEW
13,460,76
2,54
n1,17 + 0,05 (3x) n0,45 + 0,04 (4x) -
0,6 0,03 * Brazed
0
R2,7 45
n1,02 max
n4,7
3, 6
1, 02
0,33 max Lens n1.50.05 R0,4 max
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.
* 0,25 max glass overmould (3x)
(c) Zarlink Semiconductor 2002. All rights reserved.
Package code Previous package codes
Drawing type
ISSUE ACN DATE
1
JS0 04078R1A
TB
Package drawing, TO-46 with lens Title
22-MAR-03
APPRD. TD/BE
JS004078
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