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LT1739 - LT1739是Dual 500mA, 200MHz xDSL Line Driver Amplifier

LT1739是LINEAR凌力尔特公司的一款高速放大器产品，LT1739是LT1739是Dual 500mA, 200MHz xDSL Line Driver Amplifier，本站介绍了LT1739的封装应用图解、特点和优点、功能等，并给出了与LT1739相关的LINEAR元器件型号供参考。

LT1739 - LT1739是Dual 500mA, 200MHz xDSL Line Driver Amplifier - 高速放大器 - 信号调理 - 凌力尔特

LT1739 - Dual 500mA, 200MHz xDSL Line Driver Amplifier

LT1739 - Dual 500mA, 200MHz xDSL Line Driver Amplifier - Linear Technology（凌力尔特）

功能描述

TheLT1739 is a 500mA minimum outputcurrent,dual op amp with outstanding distortion performance. The amplifiers are gain-of-ten stable, but can be easily compensated for lower gains. The extended output swing allows for lower supply rails to reduce system power. Supply current is set with an external resistor to optimize power dissipation. The LT1739 features balanced, high impedance inputs with low input bias current and input offset voltage. Active termination is easily implemented for further system power reduction. Short-circuit protection and thermal shutdown insure the device’s ruggedness.

The outputs drive a 100 Ohms load to ±11.1V with ±12V supplies, and ±10.9V with a 250mA load. The LT1739 is a pin-for-pin replacement for the LT1794 in xDSL line driver applications and requires no circuit changes.

The LT1739 is available in the very small, thermally enhanced, 3mm x 4mm DFN package or a 20-lead TSSOP for maximum port density in central office line driver applications. For a dual version of the LT1739, see the LT6301 data sheet.

特点

3mm x 4mm High Power DFN Package

Exceeds All Requirements For Full Rate, Downstream ADSL Line Drivers

±500mA Minimum IOUT

±11.1V Output Swing, VS = ±12V,RL = 100 Ohms

±10.9V Output Swing, VS = ±12V,IL = 250mA

Low Distortion: –82dBc at 1MHz,2VP-P Into 50 Ohms

Power Saving Adjustable Supply Current

Power Enhanced TSSOP-20 Small Footprint Package

200MHz Gain Bandwidth

600V/µs Slew Rate

Specified at ±12V and ±5V

应用

High Density ADSL Central Office Line Drivers

High Efficiency ADSL, HDSL2, G.lite, SHDSL Line Drivers

Buffers

Test Equipment Amplifiers

Cable Drivers

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)
LT1739CFE	TSSOP-20	C	$4.90	$3.55
LT1739CFE#PBF	TSSOP-20	C	$4.90	$3.55
LT1739CFE#TR	TSSOP-20	C		$3.61
LT1739CFE#TRPBF	TSSOP-20	C		$3.61
LT1739CUE#PBF	4x3 DFN-12	C	$5.00	$3.65
LT1739CUE#TR	4x3 DFN-12	C		$3.71
LT1739CUE#TRPBF	4x3 DFN-12	C		$3.71
LT1739IFE	TSSOP-20	I	$5.95	$4.30
LT1739IFE#PBF	TSSOP-20	I	$5.95	$4.30
LT1739IFE#TR	TSSOP-20	I		$4.36
LT1739IFE#TRPBF	TSSOP-20	I		$4.36
LT1739IUE#PBF	4x3 DFN-12	I	$6.05	$4.40
LT1739IUE#TR	4x3 DFN-12	I		$4.46
LT1739IUE#TRPBF	4x3 DFN-12	I		$4.46

下面可能是您感兴趣的Linear Technology（凌力尔特）元器件

LT1210 - 1.1A、35MHz 电流反馈放大器

LT1010 - 快速 ±150mA 电源缓冲器

LT6300 - 采用 16 引脚 SSOP 封装的 500mA、200MHz 差分 xDSL 线路驱动器

LT1206 - 250mA / 60MHz 电流反馈放大器

LT1795 - 500mA/50MHz 双电流反馈线路驱动放大器

LT1794 - Dual 500mA, 200MHz xDSL Line Driver Amplifier

LT1970A - 具可调精准电流限值的 500mA 功率运算放大器

LT1028 - 超低噪声、精准型高速运算放大器

LT6301 - 采用 28 引脚 TSSOP 封装的双通道、500mA、差分 xDSL 线路驱动器

LT1886 - Dual 700MHz, 200mA Operational Amplifier

下面可能是您感兴趣的凌力尔特公司高速放大器元器件

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