Exar – XR1009, XR2009 0.2mA, 35MHz Rail-to-Rail Amplifiers

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The XR1009 (single) and XR2009 (dual) are ultra low power, low cost, voltage feedback amplifiers. These amplifiers use only 208μA of supply current and are designed to operate from a supply range of 2.5V to 5.5V (±1.25 to ±2.75). The input voltage range extends 300mV below the negative rail and 1.2V below the positive rail.

The XR1009 and XR2009 offer superior dynamic performance with a 35MHz small signal bandwidth and 27V/μs slew rate. The combination of low power, high bandwidth, and rail-to-rail performance make the XR1009 and XR2009 well suited for battery-powered communication/computing systems.

FEATURES

  • 208μA supply current
  • 35MHz bandwidth
  • Input voltage range with 5V supply: -0.3V to 3.8V
  • Output voltage range with 5V supply: 0.08V to 4.88V
  • 27V/μs slew rate
  • 21nV/√Hz input voltage noise
  • 13mA linear output current
  • Fully specified at 2.7V and 5V supplies
  • Replaces MAX4281
APPLICATIONS

  • Portable/battery-powered applications
  • Mobile communications, cell phones, pagers
  • ADC buffer
  • Active filters
  • Portable test instruments
  • Signal conditioning
  • Medical equipment
  • Portable medical instrumentation
  • Interactive whiteboards

 

 

 

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