Differential broadband PLC and HPLC line driver with common-mode buffer

The THS6232 is a differential line-driver amplifier with current-feedback

architecture, and provides high output current with low distortion performance. The

device is targeted for use in broadband, high-speed, power-line communications

(HPLC) line-driver applications that require high linearity when driving heavy line

loads.

The unique architecture of the THS6232 uses minimal quiescent current while achieving

very high linearity. The amplifier has an adjustable current pin (IADJ) that sets

the nominal current consumption, along with the multiple bias modes that allow for

enhanced power savings where the full performance of the amplifier is not required.

Shutdown bias mode provides further power savings during receive mode in time

division multiplexed (TDM) systems while maintaining high output impedance. The

integrated midsupply common-mode buffer eliminates external components, reducing

system cost and board space.

The wide output swing of

21VPP (100Ω load) with 12V power supplies, coupled with over 550mA of

current drive, allows for wide dynamic range with minimal distortion.

The THS6232 is available in 24-pin VQFN package with exposed thermal pad, and

is specified for operation from –40°C to +125°C.