AD9444

14-Bit, 80 MSPS, A/D Converter AD9444 FEATURES 80 MSPS guaranteed sampling rate 100 dB two-tone SFDR with 69.3 MHz and 70.3 MHz 73.1 dB SNR with 70 MHz input 97 dBc SFDR with 70 MHz input Excellent linearity DNL = ±0.4 LSB typical INL = ±0.6 LSB typical 1.2 W power dissipation 3.3 V and 5 V supply operation 2.0 V p-p differential full-scale input LVDS outputs (ANSI-644 compatible) Data format select Output clock available FUNCTIONAL BLOCK DIAGRAM AGND AVDD1 AVDD2 DRGND DRVDD DFS DCS MODE BUFFER VIN+ VIN– T/H PIPELINE ADC 14 CMOS OR LVDS OUTPUT STAGING 2 28 D13–D0 2 DCO REF 05089-001 AD9444 OUTPUT MODE OR CLK+ CLK– CLOCK AND TIMING MANAGEMENT VREF SENSE REFT REFB Figure 1. APPLICATIONS Multicarrier, multimode cellular receivers Antenna array positioning Power amplifier linearization Broadband wireless Radar, infared imaging Communications instrumentation Optional features allow users to implement various selectable operating conditions, including data format select and output data mode. The AD9444 is available in a 100-lead surface-mount plastic package (100-lead TQFP/EP) specified over the industrial temperature range (−40°C to +85°C). PRODUCT HIGHLIGHTS w w w The AD9444 is a 14-bit monolithic, sampling analog-to-digital converter (ADC) with an on-chip, track-and-hold circuit and is optimized for power, small size, and ease of use. The product operates at up to an 80 MSPS conversion rate and is optimized for multicarrier, multimode receivers, such as those found...