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TC227 Folha de dados(PDF) 11 Page - Texas Instruments |
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TC227 Folha de dados(HTML) 11 Page - Texas Instruments |
11 / 14 page TC221, TC225, TC227 SMALL-FORMAT CCD IMAGE SENSORS SOCS037C – DECEMBER 1991 – REVISED AUGUST 1997 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER MIN TYP† MAX UNIT Dynamic range (see Note 2) 60 dB Charge-conversion factor 9.5 µV/e Charge-transfer efficiency (see Note 3) 0.99990 1.00000 Signal-response delay (see Note 4) 30 ns Gamma (see Note 5) 0.90 1.0 Noise-equivalent signal (KTC noise without CDS circuit) 36 e Output resistance 600 Ω ADB (see Note 6) –20 Rejection ratio SRG (see Note 7) –40 dB ABG (see Note 8) –50 Supply current 5 mA IAG 600 Input capacitance, Ci (TC221) SRG 20 pF ABG 240 IAG 1320 Input capacitance Ci (TC225) SRG1, SRG2 40 pF Input capacitance, Ci (TC225) TRG 60 pF ABG 520 IAG 200 Input capacitance, Ci (TC227) SRG 10 pF ABG 100 † All typical values are at TA = 25°C. NOTES: 2. Dynamic range is – 20 times the logarithm of the mean-noise signal divided by the saturation-output signal. 3. Charge-transfer efficiency is 1 minus the charge loss per transfer in the output register. The test is performed in the dark using an electrical-input signal. 4. Signal-response delay time is the time between the falling edge of the SRG clock pulse and the output-signal valid state. 5. Gamma ( γ) is the value of the exponent in the equation below for two points on the linear portion of the transfer-function curve (this value represents points near saturation): Exposure (2) Exposure (1) g + Output signal (2) Output signal (1) 6. ADB rejection ratio is – 20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at ADB. 7. SRG rejection ratio is – 20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at SRG. 8. ABG rejection ratio is – 20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at ABG. optical characteristics, TA = 25°C, integration time = 16.67 ms (unless otherwise noted) PARAMETER MIN TYP MAX UNIT Sensitivity (see Note 9) No IR Filter 210 mV/lx Sensitivity (see Note 9) With IR Filter 30 mV/lx Saturation signal (see Note 10) 350 380 400 mV Maximum usable signal 170 190 200 mV Blooming overload ratio (see Note 11) 5 Image-area well capacity 40 ke Dark current TA = 21°C 0.27 nA/cm2 Dark signal uniformity TA = 45°C 10 mV Shading Output signal = 100 mV 20% NOTES: 9. Sensitivity is measured at a source temperature of 2856 K. A 1-mm CM-500 filter is used. 10. Saturation is the condition in which further increase in exposure does not lead to further increase in output signal. 11. Blooming-overload ratio is the ratio of blooming exposure to saturation exposure. |
Nº de peça semelhante - TC227 |
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Descrição semelhante - TC227 |
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