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參數(shù)資料
| 型號： | MAX3261CCJ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 其它接口 |
| 英文描述： | 32-Bit Digital Signal Controller with Flash 100-LQFP -40 to 125 |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PQFP32 |
| 封裝： | TQFP-32 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 230K |
| 代理商： | MAX3261CCJ |
M
S ingle +5V, Fully Integrated,
1.25Gbps Laser Diode Driver
6
_______________________________________________________________________________________
_______________Detailed Desc ription
The MAX3261 laser driver has three main sections: a
reference generator with temperature compensation, a
laser bias block with automatic power control, and a
high-speed modulation driver.
The reference generator provides temperature-com-
pensated biasing and a voltage-reference output. The
voltage reference is used to program the current levels
of the high-speed modulation driver, laser diode, and
PIN (p+, intrinsic, n-) monitor diode.
The laser bias block sets the bias current in the laser diode
and maintains it above the threshold current. A current-con-
trolled current source (current mirror) programs the bias,
with IBIASSET as the input. The mirror’s gain is approxi-
mately 40. Keep the output voltage of the bias stage above
2.2V to prevent saturation.
The modulation driver consists of a high-speed input
buffer and a common-emitter differential output stage. The
modulation current mirror sets the laser modulation current
in the output stage. This current is switched between the
OUT+ and OUT- ports of the laser driver. The modulation
MAX3261
V
CC
A
V
CC
B
GNDA
GNDB
V
CC
20 x I
IMODSET
40 x I
IBIASSET
IBIASOUT
IPIN
TRANSCONDUCTANCE
AMPLIFIER
1 X I
IPINSET
R
PINSET
B
M
O
I
VIN+
VIN-
ENB+
ENB-
SLWSTRT
V
LASER
PHOTO-
DIODE
LOOP-
STABILITY
CAPACITOR
1000pF
BIAS
COMPEN-
SATION
OUT+
OUT-
FAILOUT
COMPARATOR
+2.6V
+3V
MAIN
BIAS
GENERATOR
BANDGAP
REFERENCE
Figure 1. Functional Diagram
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PDF描述 |
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| MAX3261ECJ | Single +5V, Fully Integrated, 1.25Gbps Laser Diode Driver |
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| MAX3263 | 32-Bit Digital Signal Controller with Flash 100-LQFP -40 to 125 |
| MAX3263CAG | Single +5V, Fully Integrated, 155Mbps Laser Diode Driver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3261CCJ-T | 功能描述:激光驅(qū)動器 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 |
| MAX3261EVKIT-SO | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX3262C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3262CAG | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3263CAG | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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