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TC255P Datasheet(PDF) 10 Page - Texas Instruments |
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TC255P Datasheet(HTML) 10 Page - Texas Instruments |
10 / 18 page TC255P 336- × 244-PIXEL CCD IMAGE SENSOR SOCS057A – JUNE 1996 – REVISED MARCH 2003 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 optical characteristics, TA = 40°C (unless otherwise noted) PARAMETER MIN TYP MAX UNIT Sensitivity No IR filter 350 mV/lx Sensitivity With IR filter 45 mV/lx Saturation signal, Vsat (see Note 11) Antiblooming disabled, Interlace off 600 750 mV Maximum usable signal, Vuse Antiblooming enabled 200 250 mV Blooming-overload ratio (see Note 12) 100 200 Image-area well capacity 50000 62500 electrons Smear (see Notes 13 and 14) 0.00012 Dark current Interlace disabled, TA = 21°C 0.20 nA/cm2 Dark signal 200 µV Pixel uniformity Output signal = 60 mV ± 10 mV 15 mV Column uniformity Output signal = 60 mV ± 10 mV 0.5 mV Shading 15 % Electronic-shutter capability 1/15000 1/60 s NOTES: 11. Saturation is the condition in which further increase in exposure does not lead to further increase in output signal. 12. Blooming is the condition in which charge is induced in an element by light incident on another element. Blooming-overload ratio is the ratio of blooming exposure to saturation exposure. 13. Smear is a measure of the error introduced by transferring charge through an illuminated pixel in shutterless operation. It is equivalent to the ratio of the single-pixel transfer time to the exposure time using an illuminated section that is 1/10 of the image-area vertical height with recommended clock frequencies. 14. The exposure time is 16.67 ms, the fast-dump clocking rate during vertical transfer is 12.5 MHz, and the illuminated section is 1/10 of the height of the image section. timing requirements MIN NOM MAX UNIT ABG 10 40 IAG1, IAG2 (fast clear) 10 10 tr Rise time IAG1, IAG2 (image transfer) 10 20 ns SAG 10 20 SRG 10 40 ABG 10 40 IAG1, IAG2 (fast clear) 10 10 tf Fall time IAG1, IAG2 (image transfer) 10 20 ns SAG 10 20 SRG 10 40 |
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