UPD3794CY Renesas Electronics Corporation., UPD3794CY Datasheet
UPD3794CY
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UPD3794CY Summary of contents
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PIXELS The PD3794 is a color CCD (Charge Coupled Device) linear image sensor which changes optical images to electrical signal and has the function of color separation. The PD3794 has 3 rows of 2700 pixels, and each row has ...
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BLOCK DIAGRAM SEL1 SEL2 V GND GND OUT Clamp pulse generator 2 11 Photocell · · · · · · (Green) Transfer gate CCD analog shift register Photocell · · · · · ...
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PIN CONFIGURATION (Top View) CCD linear image sensor 22-pin plastic DIP (400 mil) Output signal V OUT Ground GND Reset gate clock RB No connection NC No connection NC No connection NC No connection NC No connection NC Shift register ...
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ABSOLUTE MAXIMUM RATINGS (T Parameter Output drain voltage Shift register clock voltage Reset gate clock voltage Transfer gate clock voltage RGB select input voltage Operating ambient temperature Storage temperature Caution Exposure to ABSOLUTE MAXIMUM RATINGS for extended periods may affect ...
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ELECTRICAL CHARACTERISTICS data rate ( light source: 3200 K halogen lamp +C-500S (infrared cut filter 1mm), input signal clock = 5 V Parameter Symbol Saturation voltage V sat ...
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INPUT PIN CAPACITANCE ( Parameter Shift register clock pin capacitance 1 Shift register clock pin capacitance 2 Reset gate clock pin capacitance Transfer gate clock pin capacitance RGB select input pin capacitance RGB SELECT FUNCTION ...
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TIMING CHART 1-1 SEL1 SEL2 TG1 to a TG3 Note V OUT (Blue) Note Input the RB pluse continuously during this period, too. Optical black Valid photocell (2700 pixels) (48 pixels) Invalid photocell Invalid photocell (2 pixels) ...
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TIMING CHART 1-2 SEL1 SEL2 TG1 to b TG3 Note V OUT (Green) Input the RB pluse continuously during this period, too. Note Optical black Valid photocell (2700 pixels) (48 pixels) Invalid photocell Invalid photocell (2 pixels) ...
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TIMING CHART 1-3 SEL1 SEL2 TG1 to c TG3 Note V OUT (Red) Input the RB pluse continuously during this period, too. Note Optical black Valid photocell (2700 pixels) (48 pixels) Invalid photocell Invalid photocell (2 pixels) ...
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TIMING CHART 2 (for each color OUT TG1 to TG3 TIMING CHART TG1 to TG3 1 2 Symbol t1 t5 t8, t9 ...
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APPLICATION TIMING EXAMPLE (for reference) The PD3794 can be operated under the following timing to switch Red, Green, and Blue outputs and get each color data in a 1-pixel period. However the offset level of each color is not the ...
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DEFINITIONS OF CHARACTERISTIC ITEMS 1. Saturation voltage: V sat Output signal voltage at which the response linearity is lost. 2. Saturation exposure: SE Product of intensity of illumination (I 3. Photo response non-uniformity: PRNU The output signal non-uniformity of all ...
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Output impedance Impedance of the output pins viewed from outside. 7. Response: R Output voltage divided by exposure (Ix•s). Note that the response varies with a light source (spectral characteristic). 8. Image Lag: IL The rate between ...
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STANDARD CHARACTERISTIC CURVES DARK OUTPUT TEMPERATURE CHARACTERISTIC 0.5 0.25 0 Operating Ambient Temperature T TOTAL SPECTRAL RESPONSE CHARACTERISTICS 100 400 500 14 STORAGE TIME OUTPUT ...
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APPLICATION CIRCUIT EXAMPLE + F/ Remark Inverters: 74HC04 PD3794 SEL1 OUT 2 21 GND SEL2 ...
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PACKAGE DRAWING CCD LINEAR IMAGE SENSOR 22PIN PLASTIC DIP (400 mil) (Unit : mm) 1st valid pixel 3.95±0.3 3 37.5 44.0±0.3 1.02±0.15 0.46±0.1 25.4 16 (5.42) 2.54 4.21±0.5 4.39±0.4 Name Dimensions Plastic cap 42.9 x 8.35 x 0.7 1 The ...
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RECOMMENDED SOLDERING CONDITIONS When soldering this product highly recommended to observe the conditions as shown below. If other soldering processes are used the soldering is performed under different conditions, please make sure to consult with our ...
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NOTES ON CLEANING THE PLASTIC CAP 1 CLEANING THE PLASTIC CAP Care should be taken when cleaning the surface to prevent scratches. The optical characteristics of the CCD will be degraded if the cap is scratched during cleaning. We recommend ...
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NOTES FOR CMOS DEVICES 1 PRECAUTION AGAINST ESD FOR SEMICONDUCTORS Note: Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and ultimately degrade the device operation. Steps must be taken to stop generation ...
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The application circuits and their parameters are for reference only and are not intended for use in actual design-ins. No part of this document may be copied or reproduced in any form or by any means without the prior ...