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Forum Post: Some questions about VSP5610 LM98714 LM98722 for facsimile CIS

HI, I am currently trying to propose an imaging analog front-end device for use in the facsimile equipment to the customer. Imaging sensor to use in the facsimile equipment of the customer is DL100-05EUJS-3. DL100-05EUJS-3 : 200 DPI A4 size contact image sensor spec 1. Product Description Number Of Sensor Elements : 1728(1 to 1712 dots available) Resolution : 200 DPI Scanning speed : 5 msec/line Light Source : Wavelength 570 nm Data Output : 1 Analogue 2. Electrical Characteristics Power Supply (VDD) 3.0V(min) 3.3V(typ) 3.6V(max) Input CLK Voltage (VIH) SI & CLK 2.1V(min) Input CLK Voltage (VIL) SI & CLK 1.08V(max) Input CLK Current (IIH) SI & CLK 500uA(max) Input CLK Current (IIL) SI & CLK -0.2mA(max) CLK Frequency (Fmax) 0.5MHz(typ) 0.77MHz(max) Clock Duty (tw/to) 75%(typ) For reference, we will describe a similar product data sheet of the linked VDD = 5V specification. pdf.datasheetarchive.com/.../DSA00402546.pdf The demand for imaging analog front-end device from customers. · Timing Generator is built · CMOS output I have some questions about AFE. Q1: The VSP5610 data sheet of the model number that I heard from the customer, there is no description of the CIS (contact image sensor).   Can we use this CIS in the VSP5610 device? Q2: RLCK of the VSP5610 is 1MHz(min). (datasheet 3-page) Clock frequency of this CIS is 0.77MHz(max). Do you have a track record that corresponds with an external frequency divider circuit in order to lower this CIS clock frequency in the VSP5610 ? Q3: Do the MODE3 of LM98714 or LM98722 be used to the CIS(Mono color)? Q4: Do you have a track record that corresponds with an external frequency divider circuit in order to lower this CIS clock frequency in the MODE1 of LM98714 or LM98722 ? Q5:Are there any other imaging analog front-end devices that the CIS can use? Please send me the informations. Best Regards H.masumoto

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