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LT1806_1 PDF预览

LT1806_1

更新时间: 2024-11-18 05:43:27
品牌 Logo 应用领域
凌特 - Linear 运算放大器
页数 文件大小 规格书
28页 335K
描述
325MHz, Single/Dual,Rail-to-Rail Input and Output, Low Distortion,Low Noise Precision Op Amps

LT1806_1 数据手册

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LT1806/LT1807  
325MHz, Single/Dual,  
Rail-to-Rail Input and Output, Low Distortion,  
Low Noise Precision Op Amps  
DESCRIPTION  
FEATURES  
The LT®1806/LT1807 are single/dual low noise rail-to-rail  
input and output unity-gain stable op amps that feature a  
325MHzgain-bandwidthproduct, a140V/μsslewrateand  
a85mAoutputcurrent.Theyareoptimizedforlowvoltage,  
high performance signal conditioning systems.  
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Gain Bandwidth Product: 325MHz  
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Slew Rate: 140V/μs  
Wide Supply Range: 2.5V to 12.6V  
Large Output Current: 85mA  
Low Distortion, 5MHz: –80dBc  
Low Voltage Noise: 3.5nV/√Hz  
Input Common Mode Range Includes Both Rails  
Output Swings Rail-to-Rail  
The LT1806/LT1807 have a very low distortion of 80dBc  
at 5MHz, a low input referred noise voltage of 3.5nV/√Hz  
andamaximumoffsetvoltageof550μVthatallowsthemto  
be used in high performance data acquisition systems.  
Input Offset Voltage (Rail-to-Rail): 550μV Max  
Common Mode Rejection: 106dB Typ  
Power Supply Rejection: 105dB Typ  
Unity-Gain Stable  
The LT1806/LT1807 have an input range that includes  
both supply rails and an output that swings within 20mV  
of either supply rail to maximize the signal dynamic range  
in low supply applications.  
Power Down Pin (LT1806)  
Operating Temperature Range: 40°C to 85°C  
Single in SO-8 and 6-Pin SOT-23 Packages  
Dual in SO-8 and 8-Pin MSOP Packages  
TheLT1806/LT1807maintaintheirperformanceforsupplies  
from 2.5V to 12.6V and are specified at 3V, 5V and 5V  
supplies. The inputs can be driven beyond the supplies  
without damage or phase reversal of the output.  
APPLICATIONS  
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Low Voltage, High Frequency Signal Processing  
The LT1806 is available in an 8-pin SO package with the  
standard op amp pinout and a 6-pin SOT-23 package. The  
LT1807 features the standard dual op amp pinout and is  
available in 8-pin SO and MSOP packages.These devices  
can be used as plug-in replacements for many op amps  
to improve input/output range and performance.  
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Driving A/D Converters  
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Rail-to-Rail Buffer Amplifiers  
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Active Filters  
Video Line Driver  
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L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Gain of 20 Differential A/D Driver  
4096 Point FFT Response  
0
+
V
A
= p5V  
S
V
= 20  
1/2 LT1807  
–20  
f
f
= 10Msps  
= 1.4086MHz  
SAMPLE  
IN  
R2  
SFDR = 83dB  
909Ω  
–40  
–60  
5V  
NONAVERAGED  
V
= 200mV  
IN  
P-P  
R1  
100Ω  
R5  
49.9Ω  
C1 5.6pF  
C2 5.6pF  
+AV  
–AV  
IN  
V
IN  
LTC®1420  
C3  
470pF  
12 BITS  
10Msps  
–80  
–100  
–120  
PGA GAIN = 1  
V
= 4.096V  
REF  
IN  
R6  
49.9Ω  
18067 TA01  
R3  
100Ω  
–5V  
R4  
1k  
0
1
2
3
4
5
FREQUENCY (MHz)  
18067 TA02  
1/2 LT1807  
+
18067fb  
1

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