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參數(shù)資料
| 型號： | MAX3263CAG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 其它接口 |
| 英文描述： | Single +5V, Fully Integrated, 155Mbps Laser Diode Driver |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO24 |
| 封裝： | 5.30 MM, MO-150, SSOP-24 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 145K |
| 代理商： | MAX3263CAG |
M
Single +5V, Fully Integrated,
155Mbps Laser Diode Driver
_______________________________________________________________________________________
5
_______________Detailed Description
The MAX3263 laser driver has three main sections: a
reference generator with temperature compensation, a
laser bias block with automatic power control, and a
modulation driver (Figure 1).
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-controlled current source (current mirror) pro-
grams the bias, with IBIASSET as the input. The mirror’s
gain is approximately 40 over the MAX3263’s input
range. 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 current mirror has a gain of approximately
20. Keep the voltages at OUT+ and OUT- above 2.2V to
prevent saturation.
MAX3263
VCCB
V
CC
20 x I
MODSET
40 x I
BIASSET
I
BIASOUT
IPIN
IPINSET
R
PINSET
1 x I
PINSET
B
M
O
I
VIN+
VIN-
ENB+
GNDA
ENB-
SLWSTRT
V
LASER
PHOTO-
DIODE
LOOP-
STABILITY
CAPACITOR
0.1
μ
F
GNDB
VCCA
OUT+
OUT-
FAILOUT
+2.6V
COMPARATOR
V
CC
x 3/5
TRANSCONDUCTANCE
AMPLIFIER
MAIN
BIAS
GENERATOR
BANDGAP
REFERENCE
BIAS
COMPEN-
SATION
Figure 1. Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3263CAG+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR |
| MAX3263EVKIT | 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 |
| MAX3264C/D | 功能描述:限幅放大器 RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3264C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3264CUE | 功能描述:限幅放大器 Integrated Circuits (ICs) RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
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