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DDC316

32-Channel, Current-Input Analog-to-Digital Converter

1FEATURES 2?Single-ChipSolutiontoDirectlyMeasure32 Low-LevelCurrents ?High-Precision,TrueIntegratingFunction ?IntegralLinearity: ±0.025%ofReading±1.0ppmofFSR ?VeryLowNoise:5.3ppmofFSR ?LowPower:7mW/channel ?AdjustableFull-ScaleRange ?AdjustableSpeed –

DDC316

16-Channel, Current-Input Analog-to-Digital Converter

FEATURES ·SINGLE-CHIPSOLUTIONTOMEASURE16 LOW-LEVELCURRENTS ·INTEGRATINGI-TO-VCONVERSION FRONT-END ·PROGRAMMABLEFULL-SCALE:3pCto12pC ·ADJUSTABLESPEED: –DataRateUpTo100kSPS –IntegrationTimeDownTo10ms ·ANALOGSUPPLY:+5V ·DIGITALSUPPLY:+3.3V APPLICATIONS ·

DDC316

16 通道電流輸入、16 位模數(shù)轉(zhuǎn)換器 (ADC); ? SINGLE-CHIP SOLUTION TO MEASURE 16 LOW-LEVEL CURRENTS\n? INTEGRATING I-TO-V CONVERSION FRONT-END\n? PROGRAMMABLE FULL-SCALE : 3pC to 12pC\n? ADJUSTABLE SPEED: \n? Data Rate Up To 100kSPS\n? Integration Time Down To 10μs\n \n? ANALOG SUPPLY: +5V\n? DIGITAL SUPPLY: +3.3V\n? APPLICATIONS \n? CT SCANNER DAS\n? PHOTODIODE SENSORS\n? X-RAY DETECTION SYSTEMS\n \n Protected by US Patent #5841310;

The DDC316 is a 16-bit, 16-channel, current-input analog-to-digital converter (ADC). It combines both current-to-voltage and analog-to-digital (A/D) conversion so that 16 separate low-level current output devices (such as photodiodes) can be directly connected to its inputs and digitized. For each of the 16 inputs, the DDC316 provides a dual-switched integrator front-end. This configuration allows for continuous current integration: while one integrator is being digitized by the on-chip ADC, the other is integrating the input current. Adjustable integration times range from 10μs to 1ms. The DDC316 provides a serial interface of the output data, either multiplexed onto a single data output pin or parallel on four output pins. The output mode can be selected based on the available integration time. The DDC316 uses a +5V analog supply and a +3.3V digital supply. Operating over the temperature range of 0°C to +70°C, the DDC316 is offered in a BGA-64 package.

DDC316

16-Channel, Current-Input Analog-to-Digital Converter

DDC316

16-Channel, Current-Input Analog-to-Digital Converter

DDC316

32-Channel, Current-Input Analog-to-Digital Converter

DDC316

32-Channel, Current-Input Analog-to-Digital Converter

DDC316CGXGR

Package：NFBGA；16-Channel, Current-Input Analog-to-Digital Converter

FEATURES ·SINGLE-CHIPSOLUTIONTOMEASURE16 LOW-LEVELCURRENTS ·INTEGRATINGI-TO-VCONVERSION FRONT-END ·PROGRAMMABLEFULL-SCALE:3pCto12pC ·ADJUSTABLESPEED: –DataRateUpTo100kSPS –IntegrationTimeDownTo10ms ·ANALOGSUPPLY:+5V ·DIGITALSUPPLY:+3.3V APPLICATIONS ·

DDC316CGXGR.A

Package：NFBGA；16-Channel, Current-Input Analog-to-Digital Converter

FEATURES ·SINGLE-CHIPSOLUTIONTOMEASURE16 LOW-LEVELCURRENTS ·INTEGRATINGI-TO-VCONVERSION FRONT-END ·PROGRAMMABLEFULL-SCALE:3pCto12pC ·ADJUSTABLESPEED: –DataRateUpTo100kSPS –IntegrationTimeDownTo10ms ·ANALOGSUPPLY:+5V ·DIGITALSUPPLY:+3.3V APPLICATIONS ·

DDC316CGXGT

Package：NFBGA；16-Channel, Current-Input Analog-to-Digital Converter

FEATURES ·SINGLE-CHIPSOLUTIONTOMEASURE16 LOW-LEVELCURRENTS ·INTEGRATINGI-TO-VCONVERSION FRONT-END ·PROGRAMMABLEFULL-SCALE:3pCto12pC ·ADJUSTABLESPEED: –DataRateUpTo100kSPS –IntegrationTimeDownTo10ms ·ANALOGSUPPLY:+5V ·DIGITALSUPPLY:+3.3V APPLICATIONS ·