描述The ADS8382 is a high performance 18-bit, 600-kHz A/D converter with fully differential, pseudo-bipolar input. The device includes an 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8382 offers a high-speed CMOS serial interface with clock speeds up to 40 MHz. The ADS8382 is available in a 28 lead 6 × 6 QFN package and is characterized over the industrial –40°C to 85°C temperature range.特性600-kHz Sample Rate ±1.25 LSB Typ, ±3 LSB Max INL 18-Bit NMC Ensured Over Temperature SINAD 96 dB, SFDR 120 dB at fi = 1 kHz High-Speed Serial Interface up to 40 MHz Onboard Reference Buffer Onboard 4.096-V Reference Pseudo-Bipolar Input, up to ±4.2 V Onboard Conversion Clock Zero Latency Wide Digital Supply Low Power 115 mW at 600 kHz 15 mW During Nap Mode 10 µW During Power Down 28-Pin 6 × 6 QFN Package APPLICATIONS Medical Instruments Optical Networking Transducer Interface High Accuracy Data Acquisition Systems Magnetometers