THS6214

THS6214

1

FEATURES

DESCRIPTION

APPLICATIONS

+12V

+12V

R

S

R

S

R

G

R

T

R

T

R

F

R

P

R

P

R

F

I

ADJ

100W

THS6214

Dual-Port, Differential, VDSL2 Line Driver Amplifiers

23

• Low Power Consumption:

The

THS6214

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

+14.5dBm line power, supporting the G.993.2 VDSL2

17a profile. It is also fast enough to support

–

central-office transmissions of +14.5dBm line power

• Low Noise:

up to 30MHz.

–

2.7nV/

√Hz Voltage Noise

The unique architecture of the THS6214 uses

–

17pA/

√Hz Inverting Current Noise

minimal quiescent current while still achieving very

–

1.2pA/

√Hz Noninverting Current Noise

high linearity. Differential distortion, under full bias

conditions, is –93dBc at 1MHz and reduces to only

• Low MTPR Distortion:

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

–

70dB with +20.5dBm G.993.2—Profile 8b

amplifiers allow for enhanced power savings for line

• –93dBc HD3 (1MHz, 100Ω Differential)

lengths where the full performance of the amplifier is

not required. To allow for even more flexibility and

• High Output Current: > 416mA (25Ω Load)

• Wide Output Swing: 43.2V

available to further lower the bias currents.

Differential Load)

• Wide Bandwidth: 150MHz (G

load) with ±12V power supplies, coupled with over

• PSRR: 50dB at 1MHz for Good Isolation

416mA current drive (25

Ω load), allows for wide

dynamic headroom, keeping distortion minimal.

• Wide Power-Supply Range: 10V to 28V

The THS6214 is available in a QFN-24 or a

TSSOP-24 PowerPAD™ package.

• Ideal For VDSL2 Systems

• Backwards-Compatible with

ADSL/ADSL2+/ADSL2++ Systems

Figure 1. Typical VDSL2 Line Driver Circuit Using One Port of the THS6214

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, Inc.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 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.