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LT6402-20 - LT6402-20是300MHz 低失真、低噪声差分放大器/ADC 驱动器

LT6402-20是LINEAR凌力尔特公司的一款高速放大器产品，LT6402-20是LT6402-20是300MHz 低失真、低噪声差分放大器/ADC 驱动器，本站介绍了LT6402-20的封装应用图解、特点和优点、功能等，并给出了与LT6402-20相关的LINEAR元器件型号供参考。

LT6402-20 - LT6402-20是300MHz 低失真、低噪声差分放大器/ADC 驱动器 - 高速放大器 - RF和无线 - 凌力尔特

LT6402-20 - 300MHz 低失真、低噪声差分放大器/ADC 驱动器

LT6402-20 - 300MHz 低失真、低噪声差分放大器/ADC 驱动器 - Linear Technology（凌力尔特）

功能描述

The LT6402-20 is a low distortion, low noise differential ampli?er/ADC driver for use in applications from DC to 300MHz. The LT6402-20 has been designed for ease of use, with minimal support circuitry required. Exceptionally low input-referred noise and low distortion (with either single-ended or differential inputs) make the LT6402-20 an excellent solution for driving high speed 12-bit and 14-bit ADCs. In addition to the normal unfiltered outputs (+OUT and OUT), the LT6402-20 has a built-in 75MHz differential low pass filter and an additional pair of filtered outputs (+OUTFILTERED, OUTFILTERED) to reduce external filtering components when driving high speed ADCs. The output common mode voltage is easily set via the VOCM pin, eliminating an output transformer or AC-coupling capacitors in many applications.

The LT6402-20 is designed to meet the demanding requirements of communications transceiver applications. It can be used as a differential ADC driver, a general-purpose differential gain block, or in other applications requiring differential drive. The LT6402-20 can be used in data acquisition systems required to function at frequencies down to DC.

The LT6402-20 operates on a 5V supply and consumes 30mA. It comes in a compact 16-lead 3mm × 3mm QFN package and operates over a 40oC to 85oC temperature range.

特点

300 MHz 3dB Bandwidth

Fixed Gain of 20dB

Low Distortion: ?? 48.5dBm OIP3, 81dBc HD3 (20MHz, 2VP-P)

Low Noise: ?? 12.4dB NF, en = 1.9nV/√Hz (20MHz)

Differential Inputs and Outputs

Additional Filtered Outputs

Adjustable Output Common Mode Voltage

DC- or AC-Coupled Operation

Minimal Support Circuitry Required

Small 0.75mm Pro? le 16-Lead 3mm × 3mm QFN Package

应用

LTC6409 - 10GHz GBW、1.1nV/√Hz 差分放大器 / ADC 驱动器

LTC6404-1 - 600MHz、低噪声、高精准全差分输入/输出放大器/驱动器

LT1028 - 超低噪声、精准型高速运算放大器

LTC6362 - 精准、低功率轨至轨输入 / 输出差分运算放大器 / SAR ADC 驱动器

LT6200 - 165MHz、轨至轨输入和输出、0.95nV/√Hz 低噪声运放系列

LT1994 - 低噪声、低失真全差分输入/输出放大器/驱动器

LT6230 - 215MHz、轨至轨输出、1.1nV/√Hz、3.5mA 运放系列

LT6350 - 低噪声、单端至差分转换器 / ADC 驱动器

LT6411 - 650MHz Differential ADC Driver/Dual Selectable Gain Amplifier

LT5400 - 四个匹配的电阻器

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LT6402CUD-20	3x3 QFN-16	C	$3.39	$2.39
LT6402CUD-20#PBF	3x3 QFN-16	C	$3.39	$2.39
LT6402CUD-20#TR	3x3 QFN-16	C		$2.45
LT6402CUD-20#TRPBF	3x3 QFN-16	C		$2.45
LT6402IUD-20	3x3 QFN-16	I	$3.90	$2.75
LT6402IUD-20#PBF	3x3 QFN-16	I	$3.90	$2.75
LT6402IUD-20#TR	3x3 QFN-16	I		$2.81
LT6402IUD-20#TRPBF	3x3 QFN-16	I		$2.81

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