PDF UPD3768 Data sheet ( Hoja de datos )

Número de pieza	UPD3768
Descripción	7500 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR
Fabricantes	NEC
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No Preview Available ! DATA SHEET MOS INTEGRATED CIRCUIT µ PD3768 7500 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR DESCRIPTION The µ PD3768 is a high-speed and high sensitive color CCD (Charge Coupled Device) linear image sensor which changes optical images to electrical signal and has the function of color separation. The µ PD3768 has 3 rows of 7500 pixels, and it is a 2-output/color type CCD sensor with 2 rows/color of charge transfer register, which transfers the photo signal electrons of 7500 pixels separately in odd and even pixels. Therefore, it is suitable for 600 dpi/A3 high-speed color digital copiers, color scanners and so on. FEATURES • Valid photocell : 7500 pixels × 3 • Photocell pitch : 9.325 µ m • Line spacing • Color filter : 37.3 µ m (4 lines) Red line - Green line, Green line - Blue line : Primary colors (red, green and blue), pigment filter (with light resistance 107 lx•hour) • Resolution : 24 dot/mm A3 (297 × 420 mm) size (shorter side) • Drive clock level : CMOS output under 5 V operation • Data rate : 44 MHz MAX. (22 MHz/1 output) • Output type : 2 outputs in phase/color • Power supply : +10 V • On-chip circuits : Reset feed-through level clamp circuits Voltage amplifiers ORDERING INFORMATION Part Number Package µ PD3768D CCD linear image sensor 36-pin ceramic DIP (CERDIP) (15.24 mm (600)) The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices/types available in every country. Please check with local NEC representative for availability and additional information. Document No. S15418EJ2V0DS00 (2nd edition) Date Published September 2002 NS CP (K) Printed in Japan The mark shows major revised points. 2001 1 page µ PD3768 ELECTRICAL CHARACTERISTICS TA = +25°C, VOD = 10 V, fφ R = 1 MHz, data rate = 2 MHz, storage time = 10 ms, input signal clock = 5 Vp-p, light source (except Response1) : 2950 K halogen lamp + CM-500S (infrared cut filter, t = 1 mm) Parameter Saturation voltage Saturation exposure Red Green Blue Photo response non-uniformity Photo response non-uniformity at low illumination Average dark signal Dark signal non-uniformity Power consumption Output impedance Response1 Red Green Blue Response2 Red Green Blue Image lag Image lag color difference Image lag O/E Offset level Note 1 Output fall delay time Note 2 Register imbalance Total transfer efficiency Response peak Red Green Blue Dynamic range Reset feed-through noise Light shielding random noise Symbol Test Conditions Vsat SER 2950 K halogen lamp + CM-500S SEG SEB PRNU VOUT = 1.0 V PRNU2 VOUT = 0.1 V ADS DSNU PW ZO RR RG RB RR RG RB IL IL-DIF IL-O/E VOS td RI TTE Light shielding, data rate = 2 MHz, storage time = 10 ms Light shielding, data rate = 2 MHz, storage time = 10 ms 3200 K halogen lamp + C-500S + HA-50 2950 K halogen lamp + CM-500S VOUT = 500 mV VOUT = 500 mV VOUT = 500 mV VOUT = 1.0 V VOUT = 1.0 V, fφ R = 22 MHz DR1 DR2 RFTN σ dark Vsat/DSNU Vsat/σ dark Light shielding Bit clamp, t17 = 10 ns Min. Typ. 1.5 2.0 − 0.14 − 0.13 − 0.26 − 6.0 − 6.0 − 1.0 − 3.0 − − 15.4 12.6 5.6 9.8 10.7 5.3 − − − 3.8 − − 94 − − − − − −1000 − 700 0.2 22.0 18.0 8.0 14.0 15.3 7.6 40 5 10 4.5 14 0 98 630 540 445 666 870 −200 2.3 Max. − − − − 18.0 18.0 5.0 12.0 900 0.4 28.6 23.4 10.4 18.2 19.9 9.9 80 20 30 5.2 − 5 − − − − − − +500 − Unit V lx•s lx•s lx•s % % mV mV mW kΩ V/lx•s V/lx•s V/lx•s V/lx•s V/lx•s V/lx•s mV mV mV V ns % % nm nm nm times times mV mV Notes 1. Refer to TIMING CHART 2 and TIMING CHART 4. 2. td is defined as periods from 10% of φ 2L to 10% of VOUT1 to VOUT6 (refer to APPLICATION CURCUIT EXAMPLE). Data Sheet S15418EJ2V0DS 5 5 Page TIMING CHART 5 (Bit clamp mode, line clamp mode, for each color) t2 t3 t4 φ TG1 to φ TG3 90% 10% t1 90% φ 10, φ 1A, φ 1B φ 20, φ 2A, φ 2B φ 2L Note φR φ CP Symbol t1, t5 t2, t4 t3 t8, t10 t9 t12, t14 t13 t15 t16 t17 Min. 200 0 3000 0 10 0 10 0 8 8 t5 t8 t9 t10 t17 t15 90% 10% t16 t12 t13 t14 90% 10% Typ. 300 50 5000 5 125 5 125 250 125 125 Max. − − − − − − − − − − Unit ns ns ns ns ns ns ns ns ns ns Note Set the φ R and φ CP pulse to low level during this period. µ PD3768 Data Sheet S15418EJ2V0DS 11 11 Page

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