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LTC6404CUD-1-PBF PDF预览

LTC6404CUD-1-PBF

更新时间: 2024-11-21 05:43:59
品牌 Logo 应用领域
凌特 - Linear 驱动器放大器功率放大器
页数 文件大小 规格书
28页 340K
描述
600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver

LTC6404CUD-1-PBF 数据手册

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LTC6404  
600MHz, Low Noise,  
High Precision Fully Differential  
Input/Output Amplifier/Driver  
FEATURES  
DESCRIPTION  
The LTC®6404 is a family of AC precision, very low noise,  
low distortion, fully differential input/output amplifiers  
optimized for 3V, single supply operation.  
n
Fully Differential Input and Output  
n
Low Noise: 1.5nV/√Hz RTI  
n
Very Low Distortion:  
LTC6404-1 (2V , 10MHz): –91dBc  
P-P  
P-P  
P-P  
The LTC6404-1 is unity-gain stable. The LTC6404-2 is  
designed for closed-loop gains greater than or equal to  
2V/V. The LTC6404-4 is designed for closed-loop gains  
greater than or equal to 4V/V. The LTC6404 closed-loop  
bandwidth extends from DC to 600MHz. In addition to the  
LTC6404-2 (2V , 10MHz): –96dBc  
LTC6404-4 (2V , 10MHz): –101dBc  
n
n
n
n
n
n
n
n
n
Closed-Loop –3dB Bandwidth: 600MHz  
Slew Rate: 1200V/μs (LTC6404-4)  
Adjustable Output Common Mode Voltage  
Rail-to-Rail Output Swing  
Input Range Extends to Ground  
Large Output Current: 85mA (Typ)  
DC Voltage Offset < 2mV (Max)  
+
normal unfiltered outputs (OUT and OUT ), the LTC6404  
has a built-in 88.5MHz differential single-pole lowpass  
+
filter and an additional pair of filtered outputs (OUTF ,  
OUTF ). An input referred voltage noise of 1.5nV/√Hz  
make the LTC6404 able to drive state-of-the-art 16-/18-bit  
ADCs while operating on the same supply voltage, saving  
systemcostandpower. TheLTC6404ischaracterized, and  
maintains its performance for supplies as low as 2.7V and  
canoperateonsuppliesupto5.25V. Itdrawsonly27.3mA,  
and has a hardware shutdown feature which reduces cur-  
rent consumption to 250μA.  
Low Power Shutdown  
Tiny 3mm × 3mm × 0.75mm 16-Pin QFN Package  
APPLICATIONS  
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Differential Input A/D Converter Driver  
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Single-Ended to Differential Conversion/Amplification  
The LTC6404 family is available in a compact 3mm × 3mm  
16-pin leadless QFN package and operates over a –40°C  
to 125°C temperature range.  
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Common Mode Level Translation  
Low Voltage, Low Noise, Signal Processing  
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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  
LTC6404-4 Distortion vs Frequency  
Single-Ended Input to Differential Output  
with Common Mode Level Shifting  
–40  
V
V
V
= V  
= MID-SUPPLY  
OCM  
CM  
= 3V  
0.5V  
P-P  
–50  
–60  
S
= 2V  
OUT  
P-P  
F
0V  
R = 100Ω, R = 402Ω  
I
V
S
DIFFERENTIAL INPUT  
SINGLE-ENDED INPUT  
100Ω  
402Ω  
0.1μF  
50Ω  
–70  
–80  
3V  
71.5Ω  
–90  
SIGNAL  
HD2  
HD2  
1V  
1V  
P-P  
–100  
–110  
–120  
–130  
GENERATOR  
1.5VDC  
1.5VDC  
+
1.5VDC  
V
OCM  
HD3  
0.1μF  
130Ω  
HD3  
1
P-P  
0.1  
10  
100  
402Ω  
6404 TA01  
FREQUENCY (MHz)  
64044 G16  
6404f  
1

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