On-Focal Plane Analog-To-Digital Conversion With Detector Gain And Offset Compensation

David E. Ludwig; Neil D. Woodall; Martin M. Spanish

doi:10.1117/12.960374

13 September 1989 On-Focal Plane Analog-To-Digital Conversion With Detector Gain And Offset Compensation

David E. Ludwig, Neil D. Woodall, Martin M. Spanish

Proceedings Volume 1097, Materials, Devices, Techniques, and Applications for Z-Plane Focal Plane Array; (1989) https://doi.org/10.1117/12.960374
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

Hardware fabrication has been initiated on a test IC which has 32 channels of amplifiers, low pass anti-aliasing filters, 13-bit analog-to-digital (ND) converters per channel and a digital multiplexer. The single slope class of ND conversion is described, as are the unique variations required for incorporation on-focal plane. An IC architecture which contains an ND converter per detector channel operating at the sensor frame rate prior to digital multiplexing is described. Methods for achieving ultra low power dissipation (3 MicroWatts per channel at 1000 Hertz conversion rate) through the use of power strobing are also discussed.

Citation Download Citation

David E. Ludwig, Neil D. Woodall, and Martin M. Spanish "On-Focal Plane Analog-To-Digital Conversion With Detector Gain And Offset Compensation", Proc. SPIE 1097, Materials, Devices, Techniques, and Applications for Z-Plane Focal Plane Array, (13 September 1989); https://doi.org/10.1117/12.960374

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