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參數(shù)資料
| 型號： | MAX3656ETG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 其它接口 |
| 英文描述： | 155Mbps to 2.5Gbps Burst-Mode Laser Driver |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, QCC24 |
| 封裝： | 4 X 4 MM, TQFN-24 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 734K |
| 代理商： | MAX3656ETG |
Running Burst Enable
Single Ended
With PECL signal levels, for single-ended operation of
burst enable, connect the BEN+ to the burst-enable
control. Connect a resistor (R
1
) from V
CC
to BEN- and
resistor (R
2
) from BEN- to ground. The parallel combina-
tion of R
1
and R
2
should be less than 1k
. Choose the
values of R
1
and R
2
to set the common-mode voltage in
the range defined in the
Electrical Characteristics
table
(see Figure 6).
With LVTTL or LVCMOS signal levels, for single-ended
operation of burst enable connect a 4k
(R
4
) resistor
from the burst-enable signal to BEN+. Connect a 1k
(R
3
) resistor from V
CC
to BEN+. Connect a 1k
resistor
(R
5
) from V
CC
to BEN- and a 9k
resistor (R
6
) from
BEN- to ground. The parallel combination of R
5
and R
6
should be less than 1k
. For typical LVTTL or LVCMOS
specifications of V
CC
to 2.8V for a high and 0.4V to 0V
for a low, the LVTTL or LVCMOS sources zero current
and sinks a maximum of 720μA ((3.6V to 0V) / 5k
).
See Figure 7 for setting up the single-ended LVTTL or
LVCMOS biasing for burst enable.
Applications Information
This section provides an example of how to set up the
MAX3656.
Select Laser
Select a communication-grade laser for the proper data
rate. Assume the laser output average power is P
AVG
=
0dBm, the operating temperature is -40
°
C to +85
°
C
,
and the laser diode has the following characteristics:
M
155Mbps to 2.5Gbps Burst-Mode
Laser Driver
______________________________________________________________________________________
11
Figure 4. Connecting to PECL Outputs
MAX3656
82
130
Z
O
= 50
V
CC
IN+
82
130
Z
O
= 50
V
CC
IN-
82
130
Z
O
= 50
V
CC
BEN+
82
130
Z
O
= 50
V
CC
BEN-
Figure 5. Connecting to CML Outputs
MAX3656
100
Z
O
= 50
IN+
Z
O
= 50
IN-
100
Z
O
= 50
Z
O
= 50
BEN+
BEN-
Figure 6. Single-Ended Biasing for Burst Enable
IN+
IN-
BEN+
BEN-
V
CMBEN
+ (100mV to 800mV)
V
CMBEN
V
CMBEN
- (100mV to 800mV)
V
CMBEN
= +2.0V
3.3V
R
1
= 1.65k
R
2
= 2.54k
MAX3656
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3656ETG+ | 功能描述:激光驅(qū)動器 .155-2.5Gbps Burst Mode Laser Driver RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
| MAX3656ETG+ | 制造商:Maxim Integrated Products 功能描述:IC LASER DIODE DRIVER 2.5GBPS TQFN-24 |
| MAX3656ETG+D | 制造商:Maxim Integrated Products 功能描述:LASER DRVR 2.5GBPS 1CH 24TQFN EP - Rail/Tube |
| MAX3656ETG+T | 功能描述:激光驅(qū)動器 .155-2.5Gbps Burst Mode Laser Driver RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
| MAX3656ETG+TD | 制造商:Maxim Integrated Products 功能描述:LASER DRVR 2.5GBPS 1CH 24TQFN EP - Tape and Reel |
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