Generic stimulation/recording ASIC for implants

Generic stimulation/recording ASIC for implants

Applications

Nerve stimulation, spinal cord stimulation, Deep Brain Stimulation (DBS), …

sapg_small

FEATURES

  • Fully programmable pulses, through 10 PG (Pulse Generators):
    • V = +3V .. -15V
    • I = 0 .. 6.5mA
    • T = 0 .. 10ms
  • 10 PGs can be muxed over 40 channels
  • 10 differential sensing channels (I-amp, CT delta-sigma ADC)
  • Power management containing:
    • Full bridge rectification
    • Inverting DC-DC
    • Charge pumps
  • MRI compatible
  • High-efficient AC power transfer between IPG and ASIC (DC-AC-DC conversion)
  • High performance stimulation and neutralisation DACs
  • 0.35u BCD
  • Area: 3.9 mm x 8.0 mm
pdf

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