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S7R77021 датащи(PDF) 1 Page - Epson Company |
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S7R77021 датащи(HTML) 1 Page - Epson Company |
1 / 2 page S7R77021 EPSON CCD/CIS Signal Processor with Timing Generator OVERVIEW S7R77021 is an analog front end IC equipped with CCD drive clock generation function that provides high-speed read rate. This IC incorporates three high-resolution 16bit A/D converters and has control function that drives a shutter-less CCD. Since this IC adopts RSDS to image data output, it is able to reduce radiation noise. By using this LSI, it easily provides a scanner system that offers the high quality image. FEATURES • 16bit, A/D converter 3-channel • Maximum image data transfer rate (AFE transfer clock): 30MHz • Maximum 3-channel input (color 3-channel, monochrome 2-channel (odd/even), monochrome 1-channel) • Analog power input range: 2Vp-p(Full-scale input range to A/D converter: 1Vp-p) • Programmable gain amp Gain adjustable range: -6.9dB(0.45-times) to +12.0dB(4.0-times), 6bit resolution • Programmable offset range: -250mV to +250mV, 8bit resolution • Built-in CCD/CIS drive clock and AFE drive clock generation function • 3-line serial interface • 8bit x 2 multiplex image data output (Low amplitude differential output) • Package PFBGA121pin (0.8mm pitch) or QFP100pin (0.5mm pitch) • 3.3V single power supply • Includes PLL for clock generation (4 to 16-multiplication) • Internal reference clock frequency: 75MHz < External clock frequency < 120MHz BLOCK DIAGRAM APPLICATIONS Scanner, MFP, Copy-machine, FAX etc. CLMPLV/ INN XRST, TSTEN, TMOD1, TMOD2 TxSYNC+,TxSYNC-, TxD0(~7)+ TxD0(~7)- SNCK1A~1D, SNCK2~4,AFECK1~4 SHR,SHG,SHB, SH,TGCK Gain Registers CLKIN Offset Registers CLKINP, CLKINN LPF XCS SCLK SDIO BINP REFN CM1 REFP CM2 ANAMON AVDD TR(G,B)P,TR(G,B)N VSS VDD AGND REXT RxCLK+, RxCLK- RINP GINP D0(~7)、SYNC MUX 8bit DAC 8bit DAC 8bit DAC 8 16bit ADC 8 CLAMP Timing Generator BandGAP Reference RED GREEN BLUE RED GREEN BLUE 6 CDS PGA CDS PGA CDS PGA Host Interface 16bit ADC 16bit ADC 16 16 16 RSDS -TX RSDS-RX PLL |
Аналогичный номер детали - S7R77021 |
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Аналогичное описание - S7R77021 |
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