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

LT1794 - Dual 500mA, 200MHz xDSL Line Driver Amplifier - Linear Technology（凌力尔特）

The LT?1794 is a 500mA minimum output current, 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 LT1794 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 LT1794, with its increased swing on lower supplies, can be used to upgrade LT1795 line driver applications.

The LT1794 is available in the very small, thermally enhanced, 20-lead TSSOP for maximum port density in line driver applications. The 20-lead SW is also available.

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 100 Ohms

Power Saving Adjustable Supply Current

Power Enhanced Small Footprint Packages:20-Lead TSSOP and 20-Lead SW

200MHz Gain Bandwidth

500V/μs Slew Rate

Specified at ±15V, ?12V and ±5V

High Density ADSL Central Office Line Drivers

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

Buffers

Test Equipment Amplifiers

Cable Drivers

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)
LT1794CFE	TSSOP-20	C	$6.50	$5.50
LT1794CFE#PBF	TSSOP-20	C	$6.50	$5.50
LT1794CFE#TR	TSSOP-20	C		$5.60
LT1794CFE#TRPBF	TSSOP-20	C		$5.60
LT1794CSW	SW-20	C	$5.85	$4.95
LT1794CSW#PBF	SW-20	C	$5.85	$4.95
LT1794CSW#TR	SW-20	C		$5.05
LT1794CSW#TRPBF	SW-20	C		$5.05
LT1794IFE	TSSOP-20	I	$7.15	$5.95
LT1794IFE#PBF	TSSOP-20	I	$7.15	$5.95
LT1794IFE#TR	TSSOP-20	I		$6.05
LT1794IFE#TRPBF	TSSOP-20	I		$6.05
LT1794ISW	SW-20	I	$6.95	$5.80
LT1794ISW#PBF	SW-20	I	$6.95	$5.80
LT1794ISW#TR	SW-20	I		$5.90
LT1794ISW#TRPBF	SW-20	I		$5.90

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