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MAX3509EUP+T

更新时间： 2024-09-15 13:10:31
品牌 Logo 应用领域
美信 - MAXIM 放大器有线电视
页数 文件大小 规格书
10页 213K
描述
Narrow Band Medium Power Amplifier, 5MHz Min, 65MHz Max, 1 Func, TSSOP-20

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中文翻译

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MAX3509EUP+T 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：TSSOP20,.25Reach Compliance Code：compliant
风险等级：5.84Is Samacsys：N
特性阻抗：75 Ω构造：COMPONENT
JESD-609代码：e3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：PLASTIC/EPOXY封装等效代码：TSSOP20,.25
电源：8.5/9.5 V射频/微波设备类型：NARROW BAND MEDIUM POWER
子类别：RF/Microwave Amplifiers最大压摆率：115 mA
表面贴装：YES端子面层：Matte Tin (Sn)
Base Number Matches：1

MAX3509EUP+T 数据手册

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19-1700; Rev 1; 6/05  
Upstream CATV Amplifier  
General Description  
Features  
The MAX3509 is a programmable power amplifier for  
use in CATV upstream applications. The device outputs  
up to 66dBmV QPSK through a 1:1 transformer. It fea-  
tures variable gain controlled by a 3-wire digital serial  
bus. Gain control is available in 1dB steps. The device  
operates over a 5MHz to 65MHz frequency range.  
ꢀ Ultra-Low Power-Up/Down Transients,  
25mV (typ) at 66dBmV Output  
ꢀ Single-Supply Operation  
ꢀ Output Level Ranges from <12dBmV to 67dBmV  
(QPSK)  
The MAX3509 offers a transmit-disable mode, which  
places the device in a high-isolation state for use  
between bursts in TDMA systems. In this mode, all ana-  
log functions are shut down, minimizing output noise  
and power consumption. When entering and leaving  
transmit-disable mode, transients are kept to 25mV  
nominal at full gain. In addition, supply current is re-  
duced to 7.8mA.  
ꢀ Gain Programmable in 1dB Steps  
ꢀ Low Transmit Output Noise Floor: -41dBmV  
(160kHz BW)  
ꢀ Low Transmit-Disable Output Noise: -70dBmV  
ꢀ Shutdown Mode  
An additional power-down mode is available. Shutdown  
mode disables all circuitry and reduces current con-  
sumption to less than 1µA.  
Ordering Information  
The MAX3509 is available in a 20-pin TSSOP-EP pack-  
age for the extended-industrial temperature range  
(-40°C to +85°C).  
PIN-  
PACKAGE  
PART  
TEMP RANGE  
MAX3509EUP  
-40°C to +85°C  
-40°C to +85°C  
20 TSSOP-EP*  
20 TSSOP-EP*  
Applications  
CATV Status Monitors  
MAX3509EUP+  
Telephony-Over-Cable  
*EP = Exposed paddle.  
+Denotes lead-free package.  
OPENCATV Set-Top Boxes CATV Infrastructures  
Cable Modems  
Typical Operating Circuit  
Pin Configuration  
TOP VIEW  
3
4
17  
V
+9V  
0.1 F  
CC2  
+9V  
0.1 F  
V
CC1  
TXEN  
1
2
3
4
5
6
7
8
9
20 SCLK  
19 SDA  
18 CS  
GND1  
SHDN  
MAX3509  
4700pF  
16  
V
CC1  
1000pF  
1000pF  
OUT  
5
6
OUT+  
OUT-  
IN+  
IN-  
GND1  
IN+  
17 V  
CC2  
T1  
1:1  
IN  
4700pF  
MAX3509  
16 OUT+  
15 OUT-  
15  
IN-  
14  
GND1  
14  
V
V
+9V  
0.1 F  
CC2  
CC2  
8
7
V
+9V  
0.1 F  
CC1  
V
CC1  
13 GND  
12 GND  
11 GND  
GND1  
GND  
GND2  
*
9
2
1
20  
19  
18  
GND 10  
GND  
GND  
GND  
GND  
GND  
SHDN  
TXEN  
SCLK  
SDA  
CS  
10  
11  
12  
13  
EXPOSED PADDLE  
LOGIC  
INPUTS  
TSSOP-EP  
*EXPOSED PADDLE  
†
Covered by U.S. Patent numbers 5,748,027 and 5,994,955.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
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