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SY88343DL Datasheet(PDF) 5 Page - Micrel Semiconductor

Part No. SY88343DL
Description  3.3V, 3.2Gbps CML Limiting Post Amplifier with High-Gain TTL Loss-of-Signal
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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SY88343DL Datasheet(HTML) 5 Page - Micrel Semiconductor

 
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Micrel, Inc.
SY88343DL
April 2006
5
M9999-040606-A
hbwhelp@micrel.com or (408) 955-1690
AC Electrical Characteristics
VCC = 3.0V to 3.6V; RL = 50Ω to VCC; TA = –40°C to +85°C.
Symbol
Parameter
Condition
Min
Typ
Max
Units
tr, tf
Output Rise/Fall Time
(20% to 80%)
Note 4
60
120
ps
tJITTER
Deterministic
Random
Note 5
Note 6
15
5
psPP
psRMS
VID
Differential Input Voltage Swing
Figure 1
5
1800
mVPP
VOD
Differential Output Voltage Swing
VID > 12mVPP, Figure 1
700
800
950
mVPP
TOFF
LOS Release Time
2
10
µs
TON
LOS Assert Time
2
10
µs
LOSAL
Low LOS Assert Level
RLOSLVL = 15kΩ, Note 8
3.0
mVPP
LOSDL
Low LOS De-assert Level
RLOSLVL = 15kΩ, Note 8
4.5
mVPP
HYSL
Low LOS Hysteresis
RLOSLVL = 15kΩ, Note 7
3.5
dB
LOSAM
Medium LOS Assert Level
RLOSLVL = 5kΩ, Note 8
2
5.0
mVPP
LOSDM
Medium LOS De-assert Level
RLOSLVL = 5kΩ, Note 8
7.5
11
mVPP
HYSM
Medium LOS Hysteresis
RLOSLVL = 5kΩ, Note 7
2
3.5
4.5
dB
LOSAH
High LOS Assert Level
RLOSLVL = 100Ω, Note 8
8
12
mVPP
LOSDH
High LOS De-assert Level
RLOSLVL = 100Ω, Note 8
18
23
mVPP
HYSH
High LOS Hysteresis
RLOSLVL = 100Ω, Note 7
2
3.5
4.5
dB
B-3dB
3dB Bandwidth
2
GHz
AV(Diff)
Differential Voltage Gain
32
38
dB
S21
Single-ended Small-Signal Gain
26
32
dB
Notes:
4. Amplifier in limiting mode. Input is a 200MHz square wave.
5. Deterministic jitter measured using 3.2Gbps K28.5 pattern, VID = 10mVPP.
6. Random jitter measured using 3.2Gbps K28.7 pattern, VID = 10mVPP.
7. This specification defines electrical hysteresis as 20log (LOS De-assert/LOS Assert). The ratio between optical hysteresis and
electrical hysteresis is found to vary between 1.5 and 2, depending upon the level of received optical power and ROSA
characteristics. Based on that ratio, the optical hysteresis corresponding to the electrical hysteresis range 2dB-4.5dB, shown in
the AC characteristics table, will be 1dB-3dB Optical Hysteresis.
8. See “Typical Operating Characteristics” for a graph showing how to choose a particular RLOSLVL for a particular LOS assert and
its associated de-assert amplitude.


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