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Axon Probes

Overview

The Axon-1N-1P family is a set of bidirectional neural probes designed for in-vitro and in-vivo applications featuring up to 512 titanium nitride (TiN) electrodes for recording and up to 16k gallium nitride (GaN) LEDs for optogenetic stimulation. Two Science ASICs provide the core functionality of the probe: the Nixel 512™, a full-bandwidth 256-channel differential ADC; and the Pixel 16k™, a 7-bit passive LED driver. Together, they enable closed-loop neural stimulation and recording for next generation neuroscience applications.

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Download version 1.0 of this datasheet here.

Key Features

  • Next-gen optogenetic probe design for closed-loop neural engineering
  • 512 TiN recording electrodes
  • Up to 16k GaN LEDs for optogenetic stimulation
  • 13 mm² active area
  • On-chip amplification and analog-to-digital conversion
  • Single ended and full-differential recording modes
  • Small and scalable probe footprint
  • Hardened device designed for long-term incubator use

Axon-1N-1P Characteristics

Recording characteristics Recording channels256 differential amplifiers
Recording modesSingle-ended and differential recording
Low-Pass Filter Corner1.4–14 kHz
High-Pass Filter Corner3.8–460 Hz
Gain13–200 V/V
Input referred noise5.5 μVrms min.
Bit depth10–12 bits
Sampling rate4–32 kHz
Input capacitance6.8 pF
Data throughputUp to 130 Mb/s
Stimulation characteristics Maximum frame rate130 FPS
Drive typePassive, row raster scanning
Maximum simultaneous on LEDs23
Brightness bit depth7 bits