LINEAR TECHNOLOGY LT6300 Data Sheet
Summary
A high-efficiency dual operational line driver designed specifically for xDSL applications, including ADSL, HDSL2, and SHDSL modems. With 500mA output capability, low distortion performance at 200MHz, and advanced power management features, this component is ideal for telecommunications engineers designing robust communications hardware. The manual provides comprehensive technical details on optimal integration, supply current optimization, and maximum operational specifications for reliable system throughput.
Page 1 Text Content
LT6300
500m A, 200MHz x DSL
Line Driver in 16-Lead SSOP Package
FEATURES DESCRIPTIO Exceeds All Requirements For Full Rate, The LT®6300 is a 500m A minimum output current, dual op Downstream ADSL Line Drivers amp with outstanding distortion performance. The ampli- Power Enhanced 16-Lead SSOP Package fiers are gain-of-ten stable, but can be easily compensated Power Saving Adjustable Supply Current for lower gains. The extended output swing allows for ±500m A Minimum IOUT lower supply rails to reduce system power. Supply current ±10.9V Output Swing, VS = ±12V, RL = 100Ω is set with an external resistor to optimize power dissipa- ±10.7V Output Swing, VS = ±12V, IL = 250m A tion. The LT6300 features balanced, high impedance in- Low Distortion: –82d Bc at 1MHz, 2VP-P Into 50Ω puts with low input bias current and input offset voltage. 200MHz Gain Bandwidth Active termination is easily implemented for further sys- 600V/µs Slew Rate tem power reduction. Short-circuit protection and thermal Specified at ±12V and ±5V shutdown insure the device’s ruggedness.
The outputs drive a 100Ω load to ±10.9V with ±12V APPLICATIO S supplies, and ±10.7V with a 250m A load. The LT6300 is a functional replacement for the LT1739 and LT1794 in
High Efficiency ADSL, HDSL2, SHDSL Line Drivers x DSL line driver applications and requires no circuit Buffers changes. Test Equipment Amplifiers
The LT6300 is available in the very small, thermally
Cable Drivers
enhanced, 16-lead SSOP package (same PCB area as the SO-8 package) for maximum port density in line driver applications. , LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
High Efficiency ±12V Supply ADSL Line Driver
SHDN 12.7Ω
1/2 LT6300
*COILCRAFT X8390-A OR EQUIVALENT ISUPPLY = 10m A PER AMPLIFIER
1/2 WITH RSHDN = 24.9k LT6300
SHDNREF
6300 TA01
Page Summary Contents For LINEAR TECHNOLOGY LT6300 Data Sheet
Manual Details
| Brand | Linear |
|---|---|
| Pages | 16 |
| File Size | 228.92 KB |
| Published | May 25, 2026 |
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Frequently Asked Questions
What is the maximum output current of the LT6300?
The device features a minimum output current of 500mA using –12V supplies.
Does this component require changes to my circuit design?
No, the LT6300 requires no circuit buffers changes and is a functional replacement for the LT1739 and LT1794.
Can I use active termination with this line driver?
Yes, active termination can be easily implemented for further system power reduction.
What are the operating temperature limits?
The LT6300 operates within a range of –40°C to 85°C.