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MAX3864 PDF预览

MAX3864

更新时间: 2024-02-11 17:20:42
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
12页 869K
描述
2.5Gbps, +3V to +5.5V, Wide Dynamic Range Transimpedance Preamplifier

MAX3864 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.42
Is Samacsys:N应用程序:ATM;SDH;SONET
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Other Telecom ICs
最大压摆率:0.063 mA标称供电电压:3.3 V
表面贴装:YES技术:BIPOLAR
电信集成电路类型:ATM/SONET/SDH SUPPORT CIRCUIT温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

MAX3864 数据手册

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2.5Gbps, +3V to +5.5V, Wide Dynamic Range  
Transimpedance Preamplifier  
MAX3864  
R = 1k  
F
VOLTAGE  
AMPLIFIER  
OUTPUT  
BUFFER  
OUTPUT  
FILTER  
TRANSIMPEDANCE  
AMPLIFIER  
50  
50Ω  
OUT+  
OUT-  
IN  
LOWPASS FILTER  
V
CC  
V
CC  
GND  
DISABLE  
DC CANCELLATION  
CIRCUIT  
750Ω  
FILTER  
Figure 1. Functional Diagram  
AMPLITUDE  
AMPLITUDE  
INPUT FROM PHOTODIODE  
TIME  
TIME  
OUTPUT (SMALL SIGNALS)  
OUTPUT (LARGE SIGNALS)  
INPUT (AFTER DC CANCELLATION)  
Figure 2. Limited Output  
Figure 3. DC Cancellation Effect on Input  
For optimum supply-noise rejection, the MAX3864  
should be terminated with a differential load. If a single-  
ended output is required, the unused output should be  
transimpedance amplifiers linear range, thereby reduc-  
ing pulse-width distortion (PWD) on large input signals.  
The DC cancellation circuit is internally compensated  
and therefore does not require external capacitors. This  
circuit minimizes PWD for data sequences that exhibit a  
50% duty cycle and mark density. A duty cycle or mark  
density significantly different from 50% causes the  
MAX3864 to generate PWD.  
terminated with 50to V . The MAX3864 will not drive  
CC  
a DC-coupled, 50grounded load.  
Output Filter  
The MAX3864 includes a one-pole lowpass filter that  
limits the circuit bandwidth and improves noise perfor-  
mance.  
DC cancellation current is drawn from the input and  
creates noise. For low-level signals with little or no DC  
component, this is not a problem. Amplifier noise will  
increase for signals with significant DC component (see  
Typical Operating Characteristics).  
DC Cancellation Circuit  
The DC cancellation circuit uses low-frequency feed-  
back to remove the DC component of the input signal  
(Figure 3). This feature centers the input signal within the  
_______________________________________________________________________________________  
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