ADS8481
具有 Ref 引脚的 18 位 1MSPS 并行 ADC
制造商:TI
产品信息
描述The ADS8481 is an 18-bit, 1-MSPS A/D converter with an internal 4.096-V reference and a pseudo-differential unipolar single-ended input. The device includes a 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8481 offers a full 18-bit interface, a 16-bit option where data is read using two read cycles, or an 8-bit bus option using three read cycles.The ADS8481 is available in a 7x7 QFN package and is characterized over the industrial -40°C to 85°C temperature range.特性0 to 1 MSPS Sampling Rate 18-Bit NMC Ensured Over Temperature Low ±0.1 mV Offset Error Low 0.2 ppm/°C Offset Error Temperature Drift Low 0.6 ppm/°C Gain Error Temperature DriftZero Latency Low Power: 220 mW at 1 MSPS Unipolar Single-Ended Input Range: 0 V to Vref Onboard Reference Onboard Reference Buffer High-Speed Parallel Interface Wide Digital Supply 2.7 V ~ 5.25 V 8-/16-/18-Bit Bus Transfer 7x7 QFN Package APPLICATIONS Medical Instruments Optical Networking Transducer Interface High Accuracy Data Acquisition Systems Magnetometers
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