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LTC6419IV#PBF PDF预览

LTC6419IV#PBF

更新时间： 2024-02-10 08:47:51
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
24页 1167K
描述
LTC6419 - Dual 10GHz GBW, 1.1nV/√Hz Differential Amplifier/ADC Driver; Package: LQFN; Pins: 20; Temperature Range: -40°C to 85°C

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中文翻译

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LTC6419IV#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN针数：20
Reach Compliance Code：compliant风险等级：4.3
Base Number Matches：1

LTC6419IV#PBF 数据手册

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LTC6419  
Dual 10GHz GBW,  
1.1nV/√Hz Differential  
Amplifier/ADC Driver  
FEATURES  
DESCRIPTION  
The LTC®6419 is a dual very high speed, low distortion,  
differential amplifier. Its input common mode range in-  
cludes ground, so that a ground-referenced single-ended  
ordifferentialinputsignalcanbeDC-coupled,level-shifted,  
and converted to drive an ADC differentially.  
n
10GHz Gain-Bandwidth Product  
n
85dB SFDR at 100MHz, 2V  
P-P  
n
n
n
n
n
n
n
n
n
n
n
1.1nV/√Hz Input Noise Density  
Channel Separation 95dB at 100MHz  
Input Range Includes Ground  
External Resistors Set Gain (Min 1V/V)  
3300V/µs Differential Slew Rate  
52mA Supply Current (Per Amplifier)  
2.7V to 5.25V Supply Voltage Range  
Fully Differential Input and Output  
Adjustable Output Common Mode Voltage  
Low Power Shutdown  
The gain and feedback resistors are external, so that the  
exact gain and frequency response can be tailored to each  
application. For example, the amplifier could be externally  
compensated in a no-overshoot configuration, which is  
desired in certain time-domain applications.  
The LTC6419 is stable in a differential gain of 1. This al-  
lows for low output noise in applications where gain is not  
desired. Each amplifier draws 52mA of supply current and  
has an independent shutdown pin which reduces current  
consumption to 100µA per amplifier.  
Small 20-Lead 4mm × 3mm × 0.75mm LQFN Package  
APPLICATIONS  
n
Broadband I/Q Amplifiers  
The LTC6419 is available in a compact 4mm × 3mm  
20-pin LQFN package and operates over a –40°C to 125°C  
temperature range.  
n
Dual Differential ADC Driver  
n
High-Speed Data-Acquisition Cards  
n
Automated Test Equipment  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog  
Devices, Inc. All other trademarks are the property of their respective owners.  
n
Time Domain Reflectometry  
n
Communications Receivers  
TYPICAL APPLICATION  
DC-Coupled Interface from a Ground-Referenced Single-Ended  
1/2 LTC6419 Driving 1/4 LTC2175-14  
ADC, fIN = 45MHz, –1dBFS,  
Input to an LTC2175-14 ADC  
1.3pF  
fS = 125MHz, 32768-Point FFT  
0
–10  
V
= 3.3V  
OUTDIFF  
S
V
IN  
V
= 1.8V  
150Ω  
150Ω  
P-P  
HD2 = –86.8dBc  
HD3 = –86.5dBc  
SFDR = 86.5dB  
SNR = 71.8dB  
–20  
1.8V  
3.3V  
39pF  
10Ω  
–30  
–40  
V
DD  
33.2Ω  
33.2Ω  
+
A
– +  
1/2 LTC6419  
IN  
–50  
V
= 0.9V  
150Ω  
1/4 LTC2175-14 ADC  
–
–60  
OCM  
10Ω  
39pF  
–70  
A
+ –  
IN  
GND  
–80  
–90  
–100  
–110  
–120  
150Ω  
1.3pF  
6419 TA01  
0
10  
20  
30  
40  
50  
60  
FREQUENCY (MHz)  
6419 TA01b  
6419fa  
1
For more information www.linear.com/LTC6419  
1234567...24

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