The AN231E04 dpASP Dynamically Reconfigurable Analog Signal Processor:

The AN231E04 is the exciting, market driven parent device for Anadigm’s 3rd generation solutions. The AN231E04 operates from a 3.3volt power supply, consumes less current yet has twice the signal bandwidth of its predecessor.


  • Dynamic reconfiguration
  • Seven configurable I/O cells, two dedicated output cells
  • Fully differential architecture
  • I/O buffering with single ended to differential conversion
  • Low input offset through chopper stabilized amplifiers
  • Look-Up Table (LUT – 256 bytes) for linearization and arbitrary signal generation
  • Typical Signal Bandwidth: DC-2MHz (Bandwidth is CAM dependent)
  • Signal to Noise Ratio:
    • Broadband 90dB
    • Narrowband (audio) 120dB
  • Total Harmonic Distortion (THD): 100dB
  • User controlled Compensated low DC offset <250µV
  • DC Offset via chopper stabilized architecture <50uV
  • Package: 44-pin QFN (7x7x0.9mm)
  • Lead pitch 0.5mm
  • Supply voltage: 3.3V

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