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MAX3260 PDF预览

MAX3260

更新时间: 2024-11-23 22:58:03
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美信 - MAXIM 放大器
页数 文件大小 规格书
4页 59K
描述
1GHz Transimpedance Preamplifier with 25dB Dynamic Range

MAX3260 数据手册

 浏览型号MAX3260的Datasheet PDF文件第2页浏览型号MAX3260的Datasheet PDF文件第3页浏览型号MAX3260的Datasheet PDF文件第4页 
19-0322; Rev 0; 10/94  
1 GHz Tra n s im p e d a n c e P re a m p lifie r  
w it h 2 5 d B Dyn a m ic Ra n g e  
MAX3260  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
1GHz Bandwidth  
The MAX3260 high-speed transimpedance amplifier is  
ideally suited for Fibre Channel and SDH/SONET appli-  
c a tions . An e xte nd e d d yna mic ra ng e ma ke s the  
MAX3260 useful in optical receiver systems with as  
much as 25dB of input signal range. A DC-restore feed-  
back network prevents amplifier saturation in all Fibre  
Channel applications by allowing input currents as high  
as 900µA to be amplified linearly. To reduce noise, the  
restore function is disabled at low input levels, allowing  
detection of signals as small as 2.4µA with a signal-to-  
noise ratio of 10.  
Single 5V Supply  
25dB Dynamic Range  
Optimized for TO-Style Header  
______________Ord e rin g In fo rm a t io n  
The filter output (FILTER) of the MAX3260 provides a  
convenient voltage source for a photodiode, especially  
when the circuit will be placed into a TO-style header  
with the photodiode. The filter output is connected to  
PART  
T
RANGE  
PIN-PACKAGE  
J
MAX3260C/D  
0°C to +100°C  
Dice  
V
CC  
through a 1kon-chip resistor. In combination  
with a bypass capacitor, the filter function significantly  
reduces the amount of noise present at the cathode of  
the photodiode.  
The MAX3260 operates from a single +5V supply con-  
suming only 115mW of power when the output is AC  
coupled. With 50output termination, it consumes less  
than 300mW of power.  
___________________Ch ip To p o g ra p h y  
________________________Ap p lic a t io n s  
High-Speed Fiber Optics  
I
14  
FILTER  
13  
N.C.  
12  
V
OUT  
11  
IN  
531Mbps and 1062Mbps Fibre Channel  
622Mbps SDH/SONET  
0. 040"  
Current-to-Voltage Converters  
PIN-Preamp Headers  
(1. 016mm)  
10 GND  
1
B
V
CC  
9
8
7
GND  
V
B 2  
CC  
__________Typ ic a l Op e ra t in g Circ u it  
GND  
GND  
3
A
V
CC  
DOUT+  
LIMITING  
V
CC  
A 4  
AMPLIFIER  
MAX3262  
FILTER  
DOUT-  
5
6
V
OUT  
Z = 50  
o
DIN-  
N.C.  
GND  
I
IN  
MAX3260  
GND  
0. 040"  
(1. 016mm)  
V
CC  
50Ω  
TRANSISTOR COUNT: 16  
SUBSTRATE CONNECTED TO GND  
+5V  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  

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