ADS42B49

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADS42B49 SBAS558C – DECEMBER 2012 – REVISED DECEMBER 2015 ADS42B49 Dual-Channel, 14-Bit, 250-MSPS Ultralow-Power ADC with Analog Input Buffer 1 Features 1 Maximum Sample Rate: 250 MSPS Ultralow Power: – 850-mW Total Power at 250 MSPS Integrated Analog Input Buffer: – Input Capacitance: 2.2 pF at 170 MHz – Input Resistance: 1.1 kΩ at 170 MHz High Dynamic Performance: – 85-dBc SFDR at 170 MHz – 70.7-dBFS SNR at 170 MHz Crosstalk: > 85 dB at 185 MHz Programmable Gain Up to 6 dB for SNR and SFDR Trade-off DC Offset Correction Output Interface Options: – 1.8-V Parallel CMOS Interface – Double Data Rate (DDR) LVDS with Programmable Swing: – Standard Swing: 350 mV – Low Swing: 200 mV Supports Low Input Clock Amplitude Down to 200 mVPP Package: 9.00 mm × 9.00 mm, 64-Pin Quad Flat No-Lead (VQFN) Package 2 Applications Wireless Communications Infrastructure Software-Defined Radio Power Amplifier Linearization 3 Description The ADS42B49 is an ultralow-power dual-channel, 14-bit analog-to-digital converter (ADC) featuring integrated analog input buffers. It uses innovative design techniques to achieve high dynamic performance, while consuming extremely low power. The presence of analog input buffers makes this device easy to drive and helps achieve high performance over a wide frequency range. The ADS42B49 is well-suited for multi-carrier, wide bandwidth communications ap...