ADS58B19

ADS58B18 ADS58B19 www.ti.com SBAS487D – NOVEMBER 2009 – REVISED JANUARY 2011 11-Bit, 200MSPS/9-Bit, 250MSPS, Ultralow-Power ADCs with Analog Buffer Check for Samples: ADS58B18, ADS58B19 FEATURES 1 23 ADS58B18: 11-Bit, 200MSPS ADS58B19: 9-Bit, 250MSPS Integrated High-Impedance Analog Input Buffer Ultralow Power: – Analog Power: 258mW at 200MSPS – I/O Power: 69mW (DDR LVDS, low LVDS swing) High Dynamic Performance: – ADS58B18: 66dBFS SNR and 81dBc SFDR at 150MHz – ADS58B19: 55.7dBFS SNR and 76dBc SFDR at 150MHz Enhanced SNR Using TI-Proprietary SNRBoost Technology (ADS58B18 Only) – –77.7dBFS SNR in 20MHz Bandwidth Dynamic Power Scaling with Sample Rate Output Interface: – Double Data Rate (DDR) LVDS with Programmable Swing and Strength – Standard Swing: 350mV – Low Swing: 200mV – Default Strength: 100Ω Termination – 2x Strength: 50Ω Termination – 1.8V Parallel CMOS Interface Also Supported Programmable Gain for SNR/SFDR Trade-Off DC Offset Correction Supports Low Input Clock Amplitude Package: QFN-48 (7mm × 7mm) DESCRIPTION The ADS58B18/B19 are members of the ultralow power ADS4xxx analog-to-digital converter (ADC) family that features integrated analog buffers and SNRBoost technology. The ADS58B18 and ADS58B19 are 11-bit and 9-bit ADCs with sampling rates up to 200MSPS and 250MSPS, respectively. Innovative design techniques are used to achieve high dynamic performance while consuming extremely low power. The analog input pins have buffers with consta...