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AD8260 - High Current Driver Amplifier and Digital VGA/Preamplifier

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.

The receiver section consists of a single-ended input preamplifier, and linear-in-dB, differential-output DGA.

Key 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.

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Datasheet Details

Part number AD8260
Manufacturer Analog Devices
File Size 1.35 MB
Description High Current Driver Amplifier and Digital VGA/Preamplifier
Datasheet download datasheet AD8260 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet High Current Driver Amplifier and Digital VGA/Preamplifier with 3 dB Steps AD8260 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.