Title :
An integrated linear position sensitive detector with digital output
Author :
Smith, T. ; Huijsing, J.H.
Author_Institution :
Fac. of Electr. Eng., Delft Univ. of Technol., Netherlands
Abstract :
An integrated linear position sensitive detector (PSD) with digital output is presented. A novel interpolating analog-to-digital converter based on a sigma-delta converter is applied to perform three operations simultaneously. These are calculations of the relative position, cancellation of errors of both an optical and an electrical nature, and generation of a digital output. The digital output format allows serial bus communication. The realized 6.5*2.5 mm/sup 2/ smart sensor is integrated in a standard bipolar IC process.<>
Keywords :
analogue-digital conversion; bipolar integrated circuits; detectors; position measurement; digital output; errors; integrated linear position sensitive detector; interpolating analog-to-digital converter; relative position; serial bus communication; sigma-delta converter; smart sensor; standard bipolar IC process; Analog-digital conversion; Delta-sigma modulation; Intelligent sensors; Leakage current; Lighting; Optical sensors; Optical signal processing; Position measurement; Position sensitive particle detectors; Sensor systems;
Conference_Titel :
Solid-State Sensors and Actuators, 1991. Digest of Technical Papers, TRANSDUCERS '91., 1991 International Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-87942-585-7
DOI :
10.1109/SENSOR.1991.148983
