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AS1712 Audio Amplifier

Quad Rail to Rail Operational Amplifier with Shutdown

The AS1712 is a quad low-offset, CMOS op amp with integrated shutdown delivering 200mA of peak output current with 10V/us slew rate and 10MHz bandwidth, from a single supply (2.7V to 5.5V) over the automotive temp range (-40°C to +125°C). Specifically designed to drive headsets (32Ω), as well as bias RF power amplifiers for wireless handset applications.

Key Features

  • Extended temperature range
  • 10MHz bandwidth
  • PSRR -85dB

Key Benefits

  • Suitable for automotive
  • Ideal for audio applications
  • Robust to supply input variations

AS1712 Applications

  • RF PA Biasing Controls in Handset Applications
  • Portable Battery-Powered Audio Applications
  • Portable Headphone Speaker Drivers
  • Hands-Free Mobile Phone Kits
  • TFT Panels
  • Sound Ports/Cards
  • Set-Top Boxes
  • DAC Converter Buffers
  • Transformer/Line Drivers
  • Motor Drivers
  • Battery Operated Audio Devices

AS1712 Product Facts

Amplifiers [#] 4
Slew rate [V/µs] 10
Gain bandwidth [MHz] 10
PSRR [dB] -85
CMRR [dB] -70
Shutdown
Supply current [mA] 6.4
Supply voltage [V] 2.7 to 5.5
Package TQFN-16 (3x3)