Datasheet LT6301 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | Dual 500mA, Differential xDSL Line Driver in 28-Lead TSSOP Package |
| Seiten / Seite | 16 / 1 — FEATURES. DESCRIPTIO. Drives Two Lines from One Package. Exceeds All … |
| Dateiformat / Größe | PDF / 252 Kb |
| Dokumentensprache | Englisch |
FEATURES. DESCRIPTIO. Drives Two Lines from One Package. Exceeds All Requirements For Full Rate,. Downstream ADSL Line Drivers
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LT6301 Dual 500mA, Differential xDSL Line Driver in 28-Lead TSSOP Package
U FEATURES DESCRIPTIO
■
Drives Two Lines from One Package
The LT®6301 is a 500mA minimum output current, quad ■
Exceeds All Requirements For Full Rate,
op amp with outstanding distortion performance. The
Downstream ADSL Line Drivers
amplifiers are gain-of-ten stable, but can be easily com- ■
Power Enhanced 28-Lead TSSOP Package
pensated for lower gains. The extended output swing al- ■
Power Saving Adjustable Supply Current
lows for lower supply rails to reduce system power. Supply ■ ±
500mA Minimum IOUT
current is set with an external resistor to optimize power ■ ±11.1V Output Swing, VS = ±12V, RL = 100Ω dissipation. The LT6301 features balanced, high imped- ■ ±10.9V Output Swing, VS = ±12V, IL = 250mA ance inputs with low input bias current and input offset ■ Low Distortion: – 82dBc at 1MHz, 2VP-P Into 50Ω voltage. Active termination is easily implemented for fur- ■ 200MHz Gain Bandwidth ther system power reduction. Short-circuit protection and ■ 600V/µs Slew Rate thermal shutdown ensure the device’s ruggedness. ■ Specified at ±12V and ±5V The outputs drive a 100Ω load to ±11.1V with ±12V
U
supplies, and ±10.9V with a 250mA load. The LT6301 is a
APPLICATIO S
functional replacement for the LT1739 and LT1794 in xDSL line driver applications and requires no circuit ■ High Density ADSL Central Office Line Drivers changes. ■ High Efficiency ADSL, HDSL2, SHDSL Line Drivers ■ Buffers The LT6301 is available in the very small, thermally ■ Test Equipment Amplifiers enhanced, 28-lead TSSOP package for maximum port ■ Cable Drivers density in line driver applications. , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO High Efficiency
±
12V Supply ADSL Line Driver
12V 24.9k +IN + SHDN 1/4 12.7Ω LT6301 TWO COMPLETE ADSL LINE DRIVERS – PROVIDED WITH ONE LT6301 PACKAGE 1k 1:2* 110Ω • • 100Ω 1000pF 110Ω 1k – *COILCRAFT X8390-A OR EQUIVALENT ISUPPLY = 10mA PER AMPLIFIER 1/4 12.7Ω WITH RSHDN = 24.9k LT6301 SHDNREF –IN + 6301 TA01 –12V sn6301 6301f 1
U FEATURES DESCRIPTIO
■
Drives Two Lines from One Package
The LT®6301 is a 500mA minimum output current, quad ■
Exceeds All Requirements For Full Rate,
op amp with outstanding distortion performance. The
Downstream ADSL Line Drivers
amplifiers are gain-of-ten stable, but can be easily com- ■
Power Enhanced 28-Lead TSSOP Package
pensated for lower gains. The extended output swing al- ■
Power Saving Adjustable Supply Current
lows for lower supply rails to reduce system power. Supply ■ ±
500mA Minimum IOUT
current is set with an external resistor to optimize power ■ ±11.1V Output Swing, VS = ±12V, RL = 100Ω dissipation. The LT6301 features balanced, high imped- ■ ±10.9V Output Swing, VS = ±12V, IL = 250mA ance inputs with low input bias current and input offset ■ Low Distortion: – 82dBc at 1MHz, 2VP-P Into 50Ω voltage. Active termination is easily implemented for fur- ■ 200MHz Gain Bandwidth ther system power reduction. Short-circuit protection and ■ 600V/µs Slew Rate thermal shutdown ensure the device’s ruggedness. ■ Specified at ±12V and ±5V The outputs drive a 100Ω load to ±11.1V with ±12V
U
supplies, and ±10.9V with a 250mA load. The LT6301 is a
APPLICATIO S
functional replacement for the LT1739 and LT1794 in xDSL line driver applications and requires no circuit ■ High Density ADSL Central Office Line Drivers changes. ■ High Efficiency ADSL, HDSL2, SHDSL Line Drivers ■ Buffers The LT6301 is available in the very small, thermally ■ Test Equipment Amplifiers enhanced, 28-lead TSSOP package for maximum port ■ Cable Drivers density in line driver applications. , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO High Efficiency
±
12V Supply ADSL Line Driver
12V 24.9k +IN + SHDN 1/4 12.7Ω LT6301 TWO COMPLETE ADSL LINE DRIVERS – PROVIDED WITH ONE LT6301 PACKAGE 1k 1:2* 110Ω • • 100Ω 1000pF 110Ω 1k – *COILCRAFT X8390-A OR EQUIVALENT ISUPPLY = 10mA PER AMPLIFIER 1/4 12.7Ω WITH RSHDN = 24.9k LT6301 SHDNREF –IN + 6301 TA01 –12V sn6301 6301f 1