[AK8441] AK8441 6 Channel 10 Bit 35MSPS/ch AFE for Linear CCD Device Outline The AK8441 is a +3.3 V CMOS, 6 Channels 10 Bit 10M~35MSPS/ch ADC which integrates on-chip Offset Adjust DAC, Gain Adjust PGA and CDS circuit. The device is optimized for Flatbed Scanner applications etc. Features Maximum conversion rate : 35MSPS / ch. Input range : 1.26Vpp(typ.)@CDS mode/ 1.2V(typ.)@Clamp mode Input polarity : Negative polarity only 6ch. sampling : CDS circuit (Correlated Double Sampling) Offset DAC : Separate 6 channel 8bit DAC with automatic black offset loop. PGA : Gain range 0dB~18dB , 6bit, 6 channel Linearity : DNL = −1LSB(min.), +1LSB(max.) Monotone guarantee LVDS output : 5LVDS-Data+LVDS-Clock Timing Generator : Generate internal drive pulses(SHR,SHD,ADCK,OBP,CLPB) 4 line serial register Write and read-back available , Single access mode / Continuous access mode Power supplies : AVDD:1.7~2.0V/AVDD3,PVDD,SVDD,LVDD:3.0~3.6V, IOVDD: 1.7~3.6V Operation Temperature: 0°C~70°C Power consumption : 661mW (typ.)@6ch.mode, 35MSPS / channel Package: 80 pin LQFP ,Pin Pitch 0.5mm, Mold Size 12mm×12mm MS0942-E-00 2011/08 1 [AK8441] AVSS AVDD3 AVSS AVDD IOVSS IOVDD PVSS PVDD VRN SVSS VRP SVDD VCOM VCLP AISET VST DAREF Circuit Block Reference Voltage CCDIN0 Clamp CDS REFIN0 REFIN1 Clamp CDS CCDIN1 PGA DAC DAC REFIN3 Clamp CDS CCDIN3 Clamp CDS REFIN4 REFIN5 Clamp CDS CCDIN5 ADC 10bit 35MSPS PGA ADC 10bit 35MSPS DAC ADC 10bit 35MSPS PGA LVDO0P LVDO0N 10 Black Loop LVDO1P LVDO1N Black Loop 10 10 DAC CCDIN4 LVDS_Tx. Black Loop Serializer & LVDS REFIN2 LVDD LVSS Black Loop 10 PGA CCDIN2 Clamp CDS ADC 10bit 35MSPS LVDO2P LVDO2N LVDO3P LVDO3N Black Loop PGA ADC 10bit 35MSPS 10 LVDO4P LVDO4N DAC DAC ADC 10bit 35MSPS PGA 10 Black Loop LVCKP LVCKN TEST0 Timing Gen. & Control TRIG OBP SHD SHR PCLK CLPB TEST1 TEST2 Serial I/F Control OPT SDIN SDOUT SDENB SDCLK CE RESETB AK8441 Block Diagram MS0942-E-00 2011/08 2 IMPORTANT NOTICE z These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of Asahi Kasei Microdevices Corporation (AKM) or authorized distributors as to current status of the products. z Descriptions of external circuits, application circuits, software and other related information contained in this document are provided only to illustrate the operation and application examples of the semiconductor products. You are fully responsible for the incorporation of these external circuits, application circuits, software and other related information in the design of your equipments. AKM assumes no responsibility for any losses incurred by you or third parties arising from the use of these information herein. AKM assumes no liability for infringement of any patent, intellectual property, or other rights in the application or use of such information contained herein. z Any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. z AKM products are neither intended nor authorized for use as critical componentsNote1) in any safety, life support, or other hazard related device or systemNote2), and AKM assumes no responsibility for such use, except for the use approved with the express written consent by Representative Director of AKM. As used here: Note1) A critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. Note2) A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. z It is the responsibility of the buyer or distributor of AKM products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold AKM harmless from any and all claims arising from the use of said product in the absence of such notification.