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HT82V48 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT82V48 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 14 page  Rev. 1.20 1 May 19, 2017 Rev. 1.00 PB May 19, 2017 HT82V48 6-Channel, 16-Bit, 120MSPS CIS Analog Signal Processor Features • 3.3Voperatingvoltage • Upto120MSPSfor6-channelinputs • 9-bitprogrammablegainamplifier • 8-bitprogrammableoffset • 4-bitprogrammableline-clampingbias • Internalvoltagereference • 3-wireserialcontrolinterface • 48-pinLQFP-EPpackage Applications • CurrencyScannerDoubleSidedScanners General Description The HT82V48 is a fully integrated, dual high performance 16-bit 3-channel 60MSPS analog signalprocessorforhigh-speeddouble-sidedscanner applications. EachchannelconsistaSampleandHoldAmplifier, a9-bitProgrammableGainAmplifierandan8-bit offsetcorrectionDigitaltoAnalogConverter.The PGAandoffsetDACareprogrammedindependently allowinguniquevaluesofgainandoffsetforthetwo 3-channelanaloginputs.Eachofthe3-channelsignals areroutedtoa60MHzhighperformanceanalog-to- digitalconverter. Forimagesensorreferencelevelstabilisation,the devicealsoprovideprogrammableline-clampingbias internally. Theinternalregistersareprogrammedthrougha 3-wireserialinterface,whichprovidestimingcontrol, gain,offsetandoperatingmodeadjustments. Thedeviceoperatesfromasingle3.3Vpowersupply withatypicalpowerconsumptionof925mW. Block Diagram Bandgap Reference VIB1 3:1 3:1 MUX VIG1 VIR1 SHA SHA + + + PGA PGA PGA BIAS1 OS1R[7:0] OS1G[7:0] OS1B[7:0] PGA1R[8:0] PGA1G[8:0] PGA1B[8:0] SHA Clamp DAC Clamp DAC Offset DAC Clamp DAC CDAC[3:0] AFE #1 VIB2 VIG2 VIR2 BIAS2 AFE #2 3:1 3:1 MUX 16-bit ADC SEB D[15:8] D[7:0] OEB 16-bit ADC MUX SD SCK CLP SH ADCK DVSS1 DVDD1 AVSS1 AVDD1 REFB1 CML1 REFT1 DVSS2 DVDD2 AVSS2 AVDD2 REFB2 CML2 REFT2 AFE TG SCI CTL REG |
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