ADS8328
具有 2 到 1 MUX 的 2.7V~5.5V 16 位 500KSPS 串行 ADC
制造商:TI
产品信息
描述The ADS8327 is a low power, 16-bit, 500-kSPS analog-to-digital converter with a unipolar input. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8328 is based on the same core and includes a 2-to-1 input MUX with programmable option of TAG bit output. Both the ADS8327 and ADS8328 offer a high-speed, wide voltage serial interface and are capable of chain mode operation when multiple converters are used. These converters are available in a 16-lead TSSOP or 4×4 QFN packages and are fully specified for operation over the industrial –40°C to +85°C temperature range.特性2.7-V to 5.5-V Analog Supply, Low Power:10.6 mW (500 kHz, +VA = 2.7 V, +VBD = 1.8 V) 500-kHz Sampling Rate Excellent DC Performance±1.5 LSB Typ, ±2 LSB Max INL ±0.6 LSB Typ, ±1 LSB Max DNL 16-Bit NMC Over Temperature ±0.5 mV Max Offset Error at 2.7 V ±1 mV Max Offset Error at 5 V Excellent AC Performance at fI = 10 kHz with 91 dB SNR, 100 dB SFDR, –96 dB THD Built-In Conversion Clock (CCLK) 1.65 V to 1.5×(+VA) I/O SupplySPI/DSP Compatible Serial SCLK up to 50 MHz Comprehensive Power-Down Modes:Deep Power-Down Nap Power-Down Auto Nap Power-Down Unipolar Input Range: 0 V to VREF Software Reset Global CONVST (Independent of CS) Programmable Status/Polarity EOC/INT 16-Pin 4×4 QFN or 16-Pin TSSOP PackagesMulti-Chip Daisy Chain Mode Programmable TAG Bit Output Auto/Manual Channel Select ModeAPPLICATIONS Communications Transducer Interface Medical Instruments Magnetometers Industrial Process Control Data Acquisition Systems Automatic Test Equipment
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