Datasheet Linear Technology LTC6400-26 — 数据表

制造商	Linear Technology
系列	LTC6400-26

适用于DC-300MHz的1.9GHz低噪声，低失真差分ADC驱动器

数据表

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PDF, 231 Kb, 语言: en, 文件上传: Aug 6, 2017, 页数: 16
1.9GHz Low Noise, Low Distortion Differential ADC Driver for DC-300MHz

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价格

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	LTC6400CUD-26#PBF	LTC6400CUD-26#TRPBF	LTC6400IUD-26#PBF	LTC6400IUD-26#TRPBF
N	1	2	3	4
Package	3x3 QFN-16 包装外形图	3x3 QFN-16 包装外形图	3x3 QFN-16 包装外形图	3x3 QFN-16 包装外形图
Package Code	UD	UD	UD	UD
Package Index	05-08-1691	05-08-1691	05-08-1691	05-08-1691
Pin Count	16	16	16	16

参数化

Parameters / Models	LTC6400CUD-26#PBF	LTC6400CUD-26#TRPBF	LTC6400IUD-26#PBF	LTC6400IUD-26#TRPBF
Number of Channels	1	1	1	1
Demo Boards	DC987B-D	DC987B-D	DC987B-D	DC987B-D
Design Tools	LTspice Model	LTspice Model	LTspice Model	LTspice Model
Export Control	no	no	no	no
GBW, MHz	1900	1900	1900	1900
Isupply, mA	85	85	85	85
Operating Temperature Range, °C	0 to 70	0 to 70	-40 to 85	-40 to 85
Type	DIFF	DIFF	DIFF	DIFF
Vos, mV	2	2	2	2
Vos TC, µV/C	1	1	1	1
Vs Max, V	3.5	3.5	3.5	3.5
Vs Min, V	2.85	2.85	2.85	2.85

生态计划

	LTC6400CUD-26#PBF	LTC6400CUD-26#TRPBF	LTC6400IUD-26#PBF	LTC6400IUD-26#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant

应用须知

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Application and Optimization of a 2GHz Differential Amplifier/ADC Driver &mdash AN123
PDF, 537 Kb, 档案已发布: Dec 8, 2009
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Application Note 123
December 2009
Application and Optimization of a 2GHz Differential
Amplifier/ADC Driver
Cheng-Wei Pei and Adam Shou
TABLE OF CONTENTS
1 INTRODUCTION . 2
1.1 LTC6400 Features .2
1.2 Internal Gain/Feedback Resistors .2
2 LOW DISTORTION. 3
2.1 Actual Bandwidth vs Usable Bandwidth .3
2.2 Low-Frequency Distortion Performance . 4
2.3 Distortion Performance Guaranteed . 4
3 LOW NOISE . 5
3.1 Noise and NF vs Source Resistance.6
3.2 Noise and Gain Circles . 7
3.3 Signal-to-Noise Ratio vs Bandwidth .8
4 GAIN AND POWER OPTIONS . 9
4.1 Gain, Phase and Group Delay .9
4.2 Gain of 1 Conп¬Ѓguration . 10
5 INPUT CONSIDERATIONS . 11
5.1 Input Impedance .11
5.2 AC Coupling vs DC Coupling. 12 …

设计须知

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Signal Chain Noise Analysis for RF-to-Digital Receivers &mdash DN439
PDF, 85 Kb, 档案已发布: Apr 16, 2008
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Signal Chain Noise Analysis for RF-to-Digital Receivers
Design Note 439
Cheng-Wei Pei
Introduction
Designers of signal receiver systems often need to perform cascaded chain analysis of system performance
from the antenna all the way to the ADC. Noise is a critical parameter in the chain analysis because it limits the
overall sensitivity of the receiver. An applicationвЂ™s noise
requirement has a signiп¬Ѓcant inп¬‚uence on the system
topology, since the choice of topology strives to optimize
the overall signal-to-noise ratio, dynamic range and
several other parameters. One problem in noise calculations is translating between the various units used by the
components in the chain: namely the RF, IF/baseband,
and digital (ADC) sections of the circuit.
Figure 1 shows a simpliп¬Ѓed system diagram. There is
an RF section, an IF/baseband section (represented
by an ampliп¬Ѓer) and an ADC. The RF section, which
includes a mixer or demodulator, is commonly speciп¬Ѓed
using noise п¬Ѓgure (NF) in a decibel scale (dB). This may
also be speciп¬Ѓed with a noise power spectral density
which is similar to NF in concept (e.g., вЂ“160dBm/Hz is
RF SECTION
NOISE FIGURE (dB) 1 RT
50О© вЂ“ …

模型线

系列: LTC6400-26 (4)

LTC6400CUD-26#PBF LTC6400CUD-26#TRPBF LTC6400IUD-26#PBF LTC6400IUD-26#TRPBF

制造商分类

Signal Conditioning > Amplifiers > Operational Amplifiers (Op Amps) > High Speed Amplifiers (GBW > 50MHz) | Low Noise Amplifiers (
Signal Conditioning > Amplifiers > Differential Amplifiers > Fully Differential Amplifiers

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