ADS8380

BurrĆBrown Products from Texas Instruments ADS8380 SLAS387A – NOVEMBER 2004 – REVISED DECEMBER 2004 18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE FEATURES 600-kHz Sample Rate ±2 LSB Typ, ±4 LSB Max INL 18-Bit NMC Ensured Over Temperature SINAD 91 dB, SFDR 119 dB at fi = 1 kHz High-Speed Serial Interface up to 40 MHz Onboard Reference Buffer Onboard 4.096-V Reference Pseudo-Differential Input, 0 V to 4.2 V Onboard Conversion Clock Selectable Output Format, 2's Complement or Straight Binary 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 x 6 QFN Package APPLICATIONS Medical Instruments Optical Networking Transducer Interface High Accuracy Data Acquisition Systems Magnetometers DESCRIPTION The ADS8380 is a high performance 18-bit, 600-kHz A/D converter with single-ended (pseudo-differential) input. The device includes an 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8380 offers a high-speed CMOS serial interface with clock speeds up to 40 MHz. The ADS8380 is available in a 28 lead 6 × 6 QFN package and is characterized over the industrial –40°C to 85°C temperature range. Type/Speed 18-Bit Pseudo-Diff 500 kHz ADS8383 18-Bit Pseudo-Bipolar, Fully Diff 16-Bit Pseudo-Diff 16-Bit Pseudo-Bipolar, Fully Diff 14-Bit Pseudo-Diff 12-Bit Pseudo-Diff High Spe...