GENERAL DESCRIPTION

The AD8260 includes a high current driver, usable as a transmitter, and a low noise digitally programmable variable gain amplifier (DGA), useable as a receiver.

FEATURES

High current driver

Differential input—direct drive from DAC

Preset gain: 1.5×

−3 dB bandwidth: 195 MHz

Large output drive: >±300 mA

VGA/preamplifier

Low noise

Voltage noise: 2.4 nV/√Hz

Current noise: 5 pA/√Hz

−3 dB bandwidth: 230 MHz

Gain range: 30 dB in 3 dB steps

−6 dB to +24 dB (for preamplifier gain of 6 dB)

Single-ended preamplifier input and differential VGA

output

Supplies: 3.3 V to 10 V (with VMID enabled)

±3.3 V to ±5 V (with VMID disabled)

Power: 93 mW with 3.3 V supplies

Power-down for VGA, driver amplifier, and system

APPLICATIONS

Digital AGC systems

Tx/Rx signal processing

Power line transceivers