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MAX4449

更新时间： 2024-10-02 14:57:51
品牌 Logo 应用领域
亚德诺 - ADI 驱动驱动器
页数 文件大小 规格书
12页 324K
描述
6500V/μs、宽带、高输出电流、单端至差分线驱动器，带有使能端

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MAX4449 数据手册

 浏览型号MAX4449的Datasheet PDF文件第2页浏览型号MAX4449的Datasheet PDF文件第3页浏览型号MAX4449的Datasheet PDF文件第4页浏览型号MAX4449的Datasheet PDF文件第5页浏览型号MAX4449的Datasheet PDF文件第6页浏览型号MAX4449的Datasheet PDF文件第7页 
19-1519 Rev 1; 10/99  
6500V/µs, Wideband, High-Output-Current, Single-  
Ended-to-Differential Line Drivers with Enable  
General Description  
Features  
The MAX4447/MAX4448/MAX4449 single-ended-to-  
differential line drivers are designed for high-speed  
communications. Using current feedback for greater  
bandwidth, these devices deliver full-power bandwidths  
up to 405MHz and feature slew rates as high as  
6500V/µs. The MAX4447 has a fixed gain of +2V/V and  
a small-signal bandwidth of 430MHz. The MAX4448/  
MAX4449 have small-signal bandwidths of 330MHz  
and 400MHz, respectively, and are internally compen-  
sated for minimum gain configurations of +2V/V and  
+5V/V, respectively. For greater design flexibility, the  
MAX4448/MAX4449 allow for variable gain selection  
using external gain-setting resistors. A low-power  
enable mode reduces current consumption below 5.5mA  
and places the outputs in a high-impedance state.  
ꢀ 6500V/µs Slew Rate (MAX4449)  
ꢀ Small-Signal Bandwidth  
430MHz (MAX4447)  
330MHz (MAX4448)  
400MHz (MAX4449)  
ꢀ 200MHz 0.1dB Gain Flatness (MAX4447)  
ꢀ 130mA Output Drive Current  
ꢀ +2V/V Internally Fixed Gain (MAX4447)  
ꢀ External Gain Selection  
≥+2V/V (MAX4448)  
≥+5V/V (MAX4449)  
ꢀ -78dB SFDR at 100kHz  
The MAX4447/MAX4448/MAX4449 can deliver differen-  
tial output swings of 6.2V from 5V supplies with a  
50Ω load. Excellent differential gain/phase and noise  
specifications make these amplifiers ideal for a wide  
variety of video and RF signal-processing and transmis-  
sion applications.  
ꢀ Low Differential Gain/Phase: 0.01%/0.02°  
ꢀ Ultra-Low Noise: 23nV/√Hz at f = 1MHz  
IN  
ꢀ 8ns Settling Time to 0.1%  
Ordering Information  
Applications  
Differential Line Driver  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 Narrow SO  
16 Narrow SO  
16 Narrow SO  
Single-Ended-to-Differential Conversion  
High-Speed Differential Transmitter  
Coaxial to Twisted-Pair Converter  
Differential Pulse Amplifier  
MAX4447ESE  
MAX4448ESE  
MAX4449ESE  
Differential ADC Driver  
xDSL Applications  
Typical Operating Circuit  
Video and RF Signal Processing and Transmission  
+5V  
Pin Configuration  
0.1µF  
TOP VIEW  
V
V
1
2
3
4
5
6
7
8
16 GND  
15 OUT-  
CC  
75Ω  
CC  
75Ω  
V
CC  
N.C.  
N.C. (RG)  
IN  
14  
13  
12  
11  
V
EE  
V
EE  
V
EE  
V
EE  
IN  
R
T
OUT+  
OUT-  
EN  
INPUT  
MAX4447  
MAX4448  
MAX4449  
TO  
LOAD  
75Ω  
MAX4447  
V
EE  
R
T
N.C.  
75Ω  
GND  
V
10 OUT+  
EN  
0.1µF  
EE  
V
9
EE  
SO  
-5V  
( ) ARE FOR MAX4448/MAX4449 ONLY  
________________________________________________________________ Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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