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LT1395_1 PDF预览

LT1395_1

更新时间: 2024-02-16 09:22:22
品牌 Logo 应用领域
凌特 - Linear 放大器
页数 文件大小 规格书
20页 734K
描述
Single/Dual/Quad 400MHz Current Feedback Amplifier

LT1395_1 数据手册

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LT1395/LT1396/LT1397  
Single/Dual/Quad 400MHz  
Current Feedback Amplifier  
U
FEATURES  
DESCRIPTIO  
The LT®1395/LT1396/LT1397 are single/dual/quad  
400MHzcurrentfeedbackamplifierswithan800V/µsslew  
rate and the ability to drive up to 80mA of output current.  
400MHz Bandwidth on ± 5V (AV = 1)  
350MHz Bandwidth on ± 5V (AV = 2, –1)  
0.1dB Gain Flatness: 100MHz (AV = 1, 2 and –1)  
High Slew Rate: 800V/µs  
The LT1395/LT1396/LT1397 operate on all supplies from  
a single 4V to ±6V. At ±5V, they draw 4.6mA of supply  
current per amplifier. The LT1395CS6 also adds a shut-  
down pin. When disabled, the LT1395CS6 draws virtually  
zero supply current and its output becomes high imped-  
ance. TheLT1395CS6willturnoninonly30nsandturnoff  
in 40ns, making it ideal in spread spectrum and portable  
equipment applications.  
Wide Supply Range: ±2V(4V) to ±6V(12V)  
80mA Output Current  
Low Supply Current: 4.6mA/Amplifier  
LT1395: SO-8, TSOT23-5 and TSOT23-6 Packages  
LT1396: SO-8, MSOP and Tiny 3mm × 3mm ×  
0.75mm DFN-8 Packages  
LT1397: SO-14, SSOP-16 and Tiny 4mm × 3mm ×  
0.75mm DFN-14 Packages  
For space limited applications, the LT1395 is available in  
TSOT-23 packages, the LT1396 is available in a tiny 3mm  
× 3mm × 0.75mm dual fine pitch leadless DFN package,  
and the LT1397 is available in a tiny 4mm × 3mm ×  
0.75mm DFN package.  
U
APPLICATIO S  
Cable Drivers  
Video Amplifiers  
MUX Amplifiers  
The LT1395/LT1396/LT1397 are manufactured on Linear  
Technology’sproprietarycomplementarybipolarprocess.  
They have standard single/dual/quad pinouts and they are  
optimized for use on supply voltages of ±5V.  
High Speed Portable Equipment  
IF Amplifiers  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
Unity-Gain Video Loop-Through Amplifier  
Loop-Through Amplifier  
Frequency Response  
R
R
R
255  
R
F2  
255Ω  
G2  
G1  
F1  
10  
63.4Ω  
1.02k  
0
NORMAL SIGNAL  
–10  
–20  
1/2  
LT1396  
1/2  
LT1396  
V
OUT  
V
+
V
3.01k  
3.01k IN  
IN  
+
+
–30  
–40  
–50  
–60  
1% RESISTORS  
FOR A GAIN OF G:  
= G (V – V  
IN  
V
+
)
0.67pF  
12.1k  
0.67pF  
12.1k  
OUT  
IN  
COMMON MODE SIGNAL  
R
= R  
F1  
F2  
R
= (5G – 1) R  
G1  
F2  
R
F2  
HIGH INPUT RESISTANCE  
DOES NOT LOAD CABLE  
EVEN WHEN POWER IS OFF  
R
=
G2  
(5G – 1)  
100 1k  
10k 100k 1M 10M 100M 1G  
FREQUENCY (Hz)  
BNC INPUTS  
TRIM CMRR WITH R  
G1  
1395/6/7 TA01  
1395/6/7 TA02  
139567fc  
1

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