sy88232l Micrel Semiconductor, sy88232l Datasheet - Page 8

• Manufacturer Part Number: sy88232l
• Description: 2.5gbps Laser Diode Driver With Integrated Limiting Amplifier
• Manufacturer: Micrel Semiconductor

AC Electrical Characteristics
T
30mA, I
Notes:
5.
6.
7.
Micrel, Inc.
Symbol
Laser Driver
V
(DIN)
I
I
t
t
Jitter
t
June 2009
A
MOD
MOD_OFF
r
f
INIT
DIFF-IN
= –40°C to +85°C and V
Load = 15Ω.
Assuming V
Total jitter is measured using 2
BIAS
= 30mA.
CC
Parameter
Data Rate
Differential Input Voltage
Swing
Modulation Current
Modulation OFF Current
Output Current Rise Time
Output Current Fall Time
Total Jitter
APC Loop Initialization Time
= 3.0V, Laser bandgap voltage = 1V, laser package inductance = 1nH, laser equivalent series resistor = 5Ω, and damping resistor = 10Ω.
(7)
CC
= +3.0V to +3.6V, unless otherwise noted. Typical values are V
7
– 1 PRBS pattern.
(5)
Condition
NRZ
AC-coupled
DC-coupled, Voltage at MOD pin ≥0.6V
Current at MOD+ when /TXEN is high or TXDIS is
low and a 6.3kΩ installed between /TXDIS and
GND
Current at MOD- when /TXEN is high or TXDIS is
low and a 6.3kΩ installed between /TXDIS and
GND
20% to 80%, I
20% to 80%, I
155Mbps data rate
622Mbps data rate
1.25Gbps data rate
2.5Gbps data rate
Power up with /TXEN low, TXDIS high, and a
6.3kΩ installed between /TXDIS and GND
/TXEN changes from high to low with power ON,
TXDIS high, and a 6.3kΩ installed between
/TXDIS and GND
TXDIS changes from low to high with power ON,
/TXEN low, and a 6.3kΩ installed between /TXDIS
and GND
622Mbps
1.25Gbps
2.5Gbps
MOD
MOD
= 60mA
= 60mA
8
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CC
0.155
= +3.3V, T
Min
100
720
576
576
10
10
Typ
60
60
A
= 25°C, I
or [phone]
M9999-063009-A
SY88232L/AL
2400
Max
70
150
150
2.5
2.5
85
85
85
30
30
30
30
12
10
(6)
MOD
=
Units
mV
Gbps
ps
ps
ps
ps
mA
mA
µA
µA
ps
ps
µs
µs
ns
ns
ns
ns
PP
PP
PP
PP
PP