ADS6442

ADS6445, ADS6444 ADS6443, ADS6442 www.ti.com SLAS531B – MAY 2007 – REVISED DECEMBER 2009 QUAD CHANNEL, 14-BIT, 125/105/80/65 MSPS ADC WITH SERIAL LVDS OUTPUTS Check for Samples: ADS6445, ADS6444, ADS6443, ADS6442 FEATURES 1 Maximum Sample Rate: 125 MSPS 14-Bit Resolution with No Missing Codes Simultaneous Sample and Hold 3.5dB Coarse Gain and up to 6dB Programmable Fine Gain for SFDR/SNR Trade-Off Serialized LVDS Outputs with Programmable Internal Termination Option Supports Sine, LVCMOS, LVPECL, LVDS Clock Inputs and Amplitude down to 400 mVPP Internal Reference with External Reference Support No External Decoupling Required for References 3.3-V Analog and Digital Supply 64 QFN Package (9 mm × 9 mm) Pin Compatible 12-Bit Family (ADS642X SLAS532A) Feature Compatible Dual Channel Family (ADS624X - SLAS542A, ADS644X - SLAS543A) APPLICATIONS Base-Station IF Receivers Diversity Receivers Medical Imaging Test Equipment Table 1. ADS64XX Quad Channel Family ADS644X 14 Bit ADS642X 12 Bit 125 MSPS ADS6445 ADS6425 105 MSPS 80 MSPS 65 MSPS ADS6444 ADS6443 ADS6442 ADS6424 ADS6423 ADS6422 Table 2. Performance Summary SFDR, dBc Fin = 10MHz (0 dB gain) Fin = 170MHz (3.5 dB gain) Fin = 10MHz (0 dB gain) SINAD, dBFS Fin = 170MHz (3.5 dB gain) Power, per channel, mW ADS6445 87 79 73.4 68.3 420 ADS6444 91 83 73.4 69.3 340 ADS6443 92 84 74.2 69.4 300 ADS6442 93 84 74.3 70 265 DESCRIPTION The ADS6445/ADS6444/ADS6443/ADS6442 (ADS644X) is a famil...