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IC-PN2624CHIP Datasheet(PDF) 2 Page - IC-Haus GmbH |
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IC-PN2624CHIP Datasheet(HTML) 2 Page - IC-Haus GmbH |
2 / 7 page preliminary preliminary iC-PN2624 PHASED ARRAY NONIUS ENCODER 26-1024 Rev B1, Page 2/7 DESCRIPTION The optical encoder iC-PN2624 features monolithi- cally integrated photosensors arranged in a phased- array. A high transimpedance gain of typically 4 MΩ gener- ates output signals of a few hundret Millivolts already from illumination levels of 1 to 3 mW/cm2. In most cases no additional measures must be considered to filter for noise and interferences. Analog nonius encoders are the typical applica- tion for iC-PN2624. Its 3-track scanning features a phased-array of multiple photosensors each per track, generating positive and negative going sine signals, as well as positive and negative going cosine signals. An excellent matching and common mode behavior of the differential signal paths is obtained by a paired amplifier design, reducing the needs for external signal calibration to an absolute minimum. The spectral sensitivity range includes visible to near infrared light, with the maximum sensitivity being close to a wavelength of 680 nm. An output voltage of approximately 1 V is typical under low light condi- tions, for instance when iC-PN2624 is illuminated at only 1.5 mW/cm2 by an 740 nm LED. PACKAGES INFORMATION PAD LAYOUT (2.88 mm x 3.37 mm) PAD FUNCTIONS No. Name Function 1 VCC +4.5..5.5 V Supply Voltage 2 VREF Reference Voltage Output 3 PS_N N-Track Sine + 4 NS_N N-Track Sine - 5 PS_M M-Track Sine + 6 NS_M M-Track Sine - 7 PS_S S-Track Sine + 8 NS_S S-Track Sine - 9 NC_S S-Track Cosine - 10 PC_S S-Track Cosine + 11 NC_M M-Track Cosine - 12 PC_M M-Track Cosine + 13 NC_N N-Track Cosine - 14 PC_N N-Track Cosine + 15 GND Ground All outputs are analog voltage outputs. |
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