LT6300IGN#TRPBF Linear Technology, LT6300IGN#TRPBF Datasheet

IC XDSL LINE DRIVER 16-SSOP

LT6300IGN#TRPBF

Manufacturer Part Number
LT6300IGN#TRPBF
Description
IC XDSL LINE DRIVER 16-SSOP
Manufacturer
Linear Technology
Type
Line Driver, Transmitterr
Datasheet

Specifications of LT6300IGN#TRPBF

Number Of Drivers/receivers
2/0
Protocol
xDSL
Voltage - Supply
5 V ~ 12 V
Mounting Type
Surface Mount
Package / Case
16-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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FEATURES
TYPICAL APPLICATIO
APPLICATIO S
High Efficiency ADSL, HDSL2, SHDSL Line Drivers
Buffers
Test Equipment Amplifiers
Cable Drivers
Exceeds All Requirements For Full Rate,
Downstream ADSL Line Drivers
Power Enhanced 16-Lead SSOP Package
Power Saving Adjustable Supply Current
Low Distortion: – 82dBc at 1MHz, 2V
200MHz Gain Bandwidth
600V/ s Slew Rate
Specified at 12V and 5V
10.7V Output Swing, V
500mA Minimum I
10.9V Output Swing, V
U
OUT
1000pF
S
S
= 12V, R
= 12V, I
+IN
–IN
U
110
110
L
High Efficiency 12V Supply ADSL Line Driver
L
P-P
= 250mA
= 100
Into 50
+
+
LT6300
LT6300
1/2
1/2
Line Driver in 16-Lead SSOP Package
1k
1k
–12V
12V
SHDN
SHDNREF
24.9k
12.7
12.7
DESCRIPTIO
The LT
amp with outstanding distortion performance. The ampli-
fiers 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 dissipa-
tion. The LT6300 features balanced, high impedance in-
puts with low input bias current and input offset voltage.
Active termination is easily implemented for further sys-
tem power reduction. Short-circuit protection and thermal
shutdown insure the device’s ruggedness.
The outputs drive a 100
supplies, and 10.7V with a 250mA load. The LT6300 is a
functional replacement for the LT1739 and LT1794 in
xDSL line driver applications and requires no circuit
changes.
The LT6300 is available in the very small, thermally
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.
1:2*
*COILCRAFT X8390-A OR EQUIVALENT
I
WITH R
SUPPLY
®
6300 is a 500mA minimum output current, dual op
SHDN
= 10mA PER AMPLIFIER
= 24.9k
500mA, 200MHz xDSL
U
6300 TA01
100
load to 10.9V with 12V
LT6300
1

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LT6300IGN#TRPBF Summary of contents

Page 1

... The LT6300 is available in the very small, thermally 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. High Efficiency 12V Supply ADSL Line Driver 12V 24.9k ...

Page 2

LT6300 ABSOLUTE MAXIMUM (Note 1) + – Supply Voltage ( ................................. 13.5V Input Current ..................................................... 10mA Output Short-Circuit Duration (Note 2) ........... Indefinite Operating Temperature Range ............... – Specified ...

Page 3

ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full specified temperature range, otherwise specifications are 0V, pulse tested 12V SYMBOL PARAMETER A Large-Signal Voltage Gain VOL V Output Swing ...

Page 4

LT6300 W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current vs Ambient Temperature 12V 24.9k TO SHDN BIAS SHDNREF –50 –30 ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS CMRR vs Frequency 100 12V 10mA PER AMPLIFIER 0 100 ...

Page 6

LT6300 W U TYPICAL PERFOR A CE CHARACTERISTICS Differential Harmonic Distortion vs Supply Current –40 –45 –50 – 1MHz, HD3 –60 – 100kHz, HD2 –70 – 100kHz, HD3 – 1MHz, HD2 –85 ...

Page 7

U U APPLICATIO S I FOR ATIO The LT6300 is a high speed, 200MHz gain bandwidth product, dual voltage feedback amplifier with high output current drive capability, 500mA source and sink. The LT6300 is ideal for use as a line ...

Page 8

LT6300 U U APPLICATIO S I FOR ATIO 12V Two Control Inputs One Control Input V R ...

Page 9

U U APPLICATIO S I FOR ATIO modes. These modes can be useful for overall system power management when full power transmissions are not necessary. Shutdown and Recovery The ultimate power saving action on a completely idle port is to ...

Page 10

LT6300 U U APPLICATIO S I FOR ATIO which looks very much like noise easiest to use the RMS values of voltages and currents for estimating the driver power dissipation. The voltage and current levels shown for this ...

Page 11

U U APPLICATIO S I FOR ATIO Heat Sinking Using PCB Metal Designing a thermal management system is often a trial and error process never certain how effective it is until it is manufactured and evaluated. As ...

Page 12

LT6300 U U APPLICATIO S I FOR ATIO Another compensation scheme for noninverting circuits is shown in Figure 10. The circuit is unity gain at low fre- quency and a gain high frequency. The ...

Page 13

U U APPLICATIO S I FOR ATIO analyze this circuit, first ground the input /n, and assuming R >>R we require that – 1/n) to increase the ...

Page 14

LT6300 U U APPLICATIO S I FOR ATIO Using DC blocking capacitors, as shown in Figure 15 couple the signal to the transformer eliminates the possibility for DC current to flow under any conditions. These capacitors should be ...

Page 15

... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 16

... Shutdown/Current Set Function, ADSL CO Driver Low Noise, Low Power Differential Receiver, 4mA/Amplifier 12V Operation, 7mA/Amplifier, ADSL Modem Line Driver 12V Operation, MSOP Package, ADSL Modem Line Driver www.linear.com 100 LINE 6300 F16 , 6300f LT/TP 0701 2K • PRINTED IN THE USA LINEAR TECHNOLOGY CORPORATION 2001 ...

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