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データシートサーチシステム |
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データシートサーチシステム |
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HT82V42 データシート(PDF) 1 Page - Holtek Semiconductor Inc |
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HT82V42 データシート(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 24 page  HT82V42 Single-channel 16-Bit CCD/CIS Analog Signal Processor Block Diagram Rev. 1.20 1 December 8, 2010 Features · 3.3V single power supply · Low power consumption: 188mW (Typ.) · Power-down mode: 300uA (Typ.) · 16-bit 15 MSPS A/D converter · Guaranteed won¢t miss codes · 8-bit programmable gain · Correlated Double Sampling · ±315mV 8-bit programmable offset · Programmable clamp voltage · Internal voltage reference · Programmable 4-wire serial interface · 4-bit multiplexed nibble mode · 20-pin SSOP/TSSOP package CDS 10-Bit DAC PGA + RED GREEN BLUE 16-Bit ADC BANDGAP Reference Configuration Register MUX Register 16 : 4 MUX Digital Control Interface RED GREEN BLUE 16 4 Gain Registers Offset Registers OD[0] OD[1] OD[2] DGND DVDD2 AVSS VRT VRB AVSS AVDD VIN CDSCLK2 DCLK SDI SEN SCLK 3:1 MUX RDAC GDAC BDAC 3:1 MUX RPGA GPGA BPGA VRLC/ BAIS Clamp DAC OD[3]/SDO VRX DVDD1 RLC/ACYC General Description The HT82V42 is a complete analog signal processor for CCD imaging applications. It features a 1-channel archi- tecture designed to sample and condition the outputs of tri-linear color CCD arrays. The channel consists of an input clamp, Correlated Double Sampler (CDS), offset DAC and Programmable Gain Amplifier (PGA) and a high performance 16-bit A/D converter. The CDS ampli- fiers may be disabled for use with sensors such as Con- tact Image Sensors (CIS) and CMOS active pixel sen- sors, which do not require CDS. The 16-bit digital output is available in 4-bit wide multiplexed format. The internal registers are programmed through a 4-wire serial inter- face, which provides gain, offset and operating mode adjustments. The HT82V42 operates from a single 3.3V power supply and typically consumes 188mW of power. Applications · Flatbed document scanners · Film scanners · Digital color copiers · Multifunction peripherals |
同様の部品番号 - HT82V42 |
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同様の説明 - HT82V42 |
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