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MAX3505EGP

更新时间： 2024-11-01 04:41:59
品牌 Logo 应用领域
美信 - MAXIM 射频和微波射频放大器微波放大器有线电视
页数 文件大小 规格书
12页 374K
描述
Upstream CATV Amplifier

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MAX3505EGP 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：5 X 5 MM, 0.90 MM HEIGHT, QFN-20Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.92Is Samacsys：N
特性阻抗：75 Ω构造：COMPONENT
增益：8 dBJESD-609代码：e0
安装特点：SURFACE MOUNT功能数量：1
端子数量：20最大工作频率：65 MHz
最小工作频率：5 MHz最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：CERAMIC
封装等效代码：LCC20,.20SQ,25电源：5 V
射频/微波设备类型：NARROW BAND LOW POWER子类别：RF/Microwave Amplifiers
最大压摆率：335 mA表面贴装：YES
端子面层：Tin/Lead (Sn85Pb15)Base Number Matches：1

MAX3505EGP 数据手册

 浏览型号MAX3505EGP的Datasheet PDF文件第2页浏览型号MAX3505EGP的Datasheet PDF文件第3页浏览型号MAX3505EGP的Datasheet PDF文件第4页浏览型号MAX3505EGP的Datasheet PDF文件第5页浏览型号MAX3505EGP的Datasheet PDF文件第6页浏览型号MAX3505EGP的Datasheet PDF文件第7页 
19-2351; Rev 0; 4/02  
Upstream CATV Amplifier  
General Description  
Features  
ꢀ Single 5V Supply Operation  
The MAX3505 programmable power amplifier is  
designed for use in CATV upstream applications. The  
MAX3505 drives 64dBmV (QPSK) into a 75Ω load when  
driven with a 34dBmV nominal input signal. Both input  
and output ports are differential, requiring that an exter-  
nal balun be used at the output port. The variable gain  
feature provides greater than 56dB of dynamic range,  
which is controlled by an SPI™ 3-wire interface. Gain  
control is available in 0.5dB steps. The device operates  
over a frequency range of 5MHz to 65MHz. The  
MAX3505 is internally matched for use with a 1:1 balun.  
ꢀ Accurate Gain Control, ±±1d oꢀer 5ꢁ1d ꢂange  
ꢀ Gain Programmable in 0.51d Steps  
ꢀ -551dc Harmonic Distortion at ꢁ5MHz  
ꢀ Low durst On/Off Transient  
This device operates from a single 5VDC supply and  
draws 285mA during transmit (100% duty cycle,  
64dBmV out). The bias current is automatically adjust-  
ed based on the output level to increase efficiency.  
Additionally, the device can be disabled between  
bursts to minimize noise and save power while still  
maintaining a match at the output port. In addition, a  
shutdown mode is available to disable all circuitry and  
reduce current consumption to 5µA (typ).  
Ordering Information  
PAꢂT  
TEMP ꢂANGE PIN-PACKAGE  
MAX3505EGP -40°C to +85°C 20 QFN-EP* (5mm × 5mm)  
*EP = exposed pad  
The MAX3505 is available in a 20-pin QFN package.  
The device operates in the extended industrial temper-  
ature range (-40°C to +85°C).  
Applications  
DOCSIS/EuroDOCSISand DVB Cable  
Modems  
Pin Configuration  
OpenCableSet-Top Box  
Telephony Over Cable  
CATV Status Monitor  
TOP VIEW  
SPI is a trademark of Motorola, Inc.  
DOCSIS/EuroDOCSIS/OpenCable are trademarks of CableLabs.  
Typical Operating Circuit  
V
CC  
1
2
3
4
5
15  
V
CC  
10  
IN+  
GND  
IN-  
14 OUT+  
13 N.C.  
12 OUT-  
11 N.C.  
SHDN  
0.1µF  
5V  
CONTROL  
LOGIC  
15  
14  
9
2
V
CC  
TXEN  
IN+  
MAX3505  
1:1  
0.001µF  
0.001µF  
OUT+  
OUTPUT  
+
GND  
ANTI-ALIAS  
FILTER  
5V  
INPUT  
-
MAX3505  
12  
16  
4
OUT-  
IN-  
0.1µF  
0.1µF  
1
4
+5V  
0.1µF  
V
CC  
CEXT  
GND  
GND  
5
6
QFN**  
SDA  
SCLK  
CS  
7
8
CONTROL  
LOGIC  
**NOTE: THE EXPOSED PAD MUST BE SOLDERED TO GROUND.  
________________________________________________________________ Maxim Integrated Products  
±
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...12

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