ADS8900B

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS8900B, ADS8902B, ADS8904B SBAS728A – NOVEMBER 2016 – REVISED JUNE 2017 ADS890xB 20-Bit, High-Speed SAR ADCs With Integrated Reference Buffer, and Enhanced Performance Features 1 Features 1 Resolution: 20-Bits High Sample Rate With No Latency Output: – ADS8900B: 1-MSPS – ADS8902B: 500-kSPS – ADS8904B: 250-kSPS Integrated LDO Enables Low-Power, SingleSupply Operation Low Power Reference Buffer with No Droop Excellent AC and DC Performance: – SNR: 104.5-dB, THD: –125-dB – DNL: ±0.2-ppm, 20-Bit No-Missing-Codes – INL: ±1-ppm Wide Input Range: – Unipolar Differential Input Range: ±VREF – VREF Input Range: 2.5-V to 5-V Enhanced-SPI Digital Interface – Interface SCLK : 22-MHz at 1-MSPS. – Configurable Data Parity Output. Extended Temperature Range: –40°C to +125°C Small Footprint: 4-mm × 4-mm VQFN 2 Applications Test and Measurement Medical Imaging High-Precision, High-Speed Data Acquisition 3 Description The ADS8900B, ADS8902B, and ADS8904B (ADS890xB) belong to a family of pin-to-pin compatible, high-speed, single-channel, highprecision, 20-bit successive-approximation-register (SAR) analog-to-digital converters (ADCs) with an integrated reference buffer and integrated lowdropout regulator (LDO). The device family includes the ADS891xB (18-bit) and ADS892xB (16-bit) resolution variants. The ADS89xxB boosts analog performance while maintaining high-resolution data trans...