®

THS6204

THS6204 ®

1

FEATURES

DESCRIPTION

APPLICATIONS

9.1W

2kW

2.74kW

2kW

2.74kW

1.33kW

9.1W

100W

CODEC

V

IN+

CODEC

V

IN-

-12V

+12V

+20.5dBm

LinePower

1:1.1

THS6204

Dual-Port, Differential VDSL2 Line Driver Amplifiers

23

• Low Power Consumption:

The

THS6204

is

a

dual-port,

current-feedback

architecture, differential line driver amplifier system

–

21mA/Port Full Bias Mode

ideal for xDSL systems. The device is targeted for

–

16.2mA/Port Mid Bias Mode

use in VDSL2 (very-high-bit-rate digital subscriber

–

11.2mA/Port Low Bias Mode

line 2) line driver systems that enable greater than

–

Low-Power Shutdown Mode

+20.5dBm line power up to 8.5MHz with good

linearity supporting the G.993.2 VDSL2 8b profile. It

–

is

also

fast

enough

to

support

central-office

• Low Noise:

transmission

of

+14.5dBm

line

power

up

to

–

2.5nV/

√Hz Voltage Noise

18.1MHz—Profile 30a.

–

17pA/

√Hz Inverting Current Noise

The unique architecture of the THS6204 allows

–

1.2pA/

√Hz Noninverting Current Noise

quiescent current to be minimal while still achieving

very high linearity. Differential distortion, under full

• Low MTPR Distortion:

bias conditions, is –89dBc at 1MHz and reduces to

–

70dB with +20.5dBm G.993.2—Profile 8b

only –73dBc at 10MHz. Fixed multiple bias settings of

• –89dBc HD3 (1MHz, 100Ω Differential)

the amplifiers allows for enhanced power savings for

line lengths where the full performance of the

• High Output Current: > 424mA (25Ω Load)

amplifier is not required. To allow for even more

• Wide Output Swing: 43.2V

Differential)

to further lower the bias currents.

• Wide Bandwidth: 150MHz (Gain = 10V/V)

The

wide

output

swing

of

(100

Ω

• Port-To-Port Separation of 90dB at 1MHz

differentially) with ±12V power supplies, coupled with

over 425mA current drive (25

Ω), allows for wide

• PSRR of 50dB at 1MHz for Good Isolation

dynamic headroom, keeping distortion minimal.

• Wide Power-Supply Range: 10V to 28V

The THS6204 is available in a QFN-24 or a

TSSOP-24 PowerPAD™ package.

• Ideal For VDSL2 Systems

• Backward-Compatible with

ADSL/ADSL2+/ADSL2++ Systems

Figure 1. Typical VDSL2 Line Driver Circuit

Utilizing One Port of the THS6204

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

PowerPAD is a trademark of Texas Instruments, Incorporated.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.