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The ADS8472 is an 16-bit, 1-MSPS A/C converterwith an internal 4.096-V reference and a pseudo-bipolar, fully differential input. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8472 offers a full 16-bit interface or an 8-bit bus option using two eadcycles.
The ADS8472 is available in a 48-lead 7x7 QFN package and is characterized over the industrial 40°C to 85°C temperature range.
ADS8472 Features
`0 to 1-MHz Sample Rate `±0.4 LSB Typ, ±0.65 LSB Max INL `±0.3 LSB Typ, ±0.5 LSB Max DNL `16-Bit NMC Ensured Over Temperature `±0.1-mV Offset Error `±0.05-PPM/°C Offset Error Drift `±0.035 %FSR Gain Error `±0.4-PPM/°C Gain Error Drift `95dB SNR, -120dB THD, 123dB SFDR `Zero Latency `Low Power: 225 mW at 1 MSPS `Unipolar Differential Input Range: Vref to Vref read cycles. `Onboard Reference with 6 PPM/°C Drift `Onboard Reference Buffer `High-Speed Parallel Interface `Wide Digital Supply 2.7 V to 5.25 V `8-/16-Bit Bus Transfer `48-Pin 7x7 QFN Package
ADS8472 Typical Application
`Medical Instruments `Optical Networking `Transducer Interface `High Accuracy Data Acquisition Systems `Magnetometers