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PDF SY88212L Data sheet ( Hoja de datos )
| Número de pieza | SY88212L | |
| Descripción | 2.5Gbps Laser Diode Driver | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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SY88212L
3.3V, 2.5Gbps Laser Diode Driver
with Integrated Bias and APC
General Description
Features
The SY88212L is a single supply 3.3V laser driver for
datacom and telecom applications with data rates from
155Mbps up to 2.5Gbps. The driver can deliver modulation
current up to 85mA, and provides a high compliance
voltage that makes it suitable for high-current operation
with the laser DC-coupled to it. The drivers have integrated
bias and Automatic Power Control (APC) functions.
All support documentation can be found on Micrel’s web
site at: www.micrel.com.
• 2.4V minimum laser compliance voltage
• Operation up to 2.5Gbps
• Modulation current up to 85mA
• Bias current up to 70mA
• Power monitoring
• Available in 24-pin (4mm x 4mm) MLF® package
Applications
• Multi-rate LAN, MAN applications up to 2.5Gbps: FC, GbE,
SONET OC3/12/24 and SDH STM1/4/8
• SFF, SFP modules
Markets
• Telecom, Datacom
___________________________________________________________________________________________________________
Typical Application
www.DataSheet4U.com
MLF and MicroLeadFrame are registered trademarks of Amkor Technology.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2008
M9999-040908-A
[email protected] or (408) 955-1690
1 page  
Micrel, Inc.
SY88212L
AC Electrical Characteristics
TA = –40°C to +85°C and VCC = +3.0V to +3.6V. Unless otherwise noted, typical values are VCC = +3.3V,
TA = 25°C, IMOD = 25mA, IBIAS = 20mA.
Symbol
Parameter
Condition
Min Typ Max Units
Data Rate
NRZ
0.155
2.5 Gbps
IMOD
Modulation Current(5)
AC-coupled
DC-coupled, voltage at MOD
pin ≥0.6V
10
10
85
70(6)
mA
mA
IMOD_OFF
Modulation OFF Current
Current at MOD+ when /EN is
high or TXDISABLE is Low
Current at MOD- when /EN is
high or TXDISABLE is High
150 µA
150 µA
tr
Output Current Rise Time
20% to 80%, IMOD = 60mA
tf
Output Current Fall Time
20% to 80%, IMOD = 60mA
155Mbps data rate
60 85 ps
60 85 ps
30
Jitter
Total Jitter(7)
622Mbps data rate
1.25Gbps data rate
30
psPP
30
2.5Gbps data rate
30
Power up with /EN Low
tINIT
APC Loop Initialization Time
/EN changes from high to low
with power ON.
12 µs
10 µs
Notes:
5. Load = 15Ω.
6. Assuming VCC = 3.0V, Laser bandgap voltage = 1V, laser package inductance = 1nH, laser equivalent series resistor = 5Ω, and damping resistor
= 10Ω.
7. Total jitter is measured using 27 – 1 PRBS pattern.
www.DataSheet4U.com
March 2008
5 M9999-030708-A
[email protected] or (408) 955-1690
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SY88212L.PDF ] | |
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