14-Bit, 105/125 MSPS, IF Sampling ADCAD9445FEATURESFUNCTIONAL BLOCK DIAGRAM125 MSPS guaranteed sampling rate (AD9445BSV-125)AGND AVDD1 AVDD2DRGND DRVDD78.3 dBFS SNR/92 dBFS SFDR with 30 MHz input (3.2 V p-p)RF ENABLEAD944574.8 dBFS SNR/95 dBFS SFDR with 30 MHz input (2.0 V p-p)DFSDCS MODE77.0 dBFS SNR/87 dBFS SFDR with 170 MHz input (3.2 V p-p)BUFFERVIN+14OUTPUT MODEPIPELINE274.6 dBFS SNR/95 dBFS SFDR with 170 MHz input (2.0 V p-p)T/HCMOSORVIN–ADCOR73.0 dBFS SNR/88 dBFS SFDR with 300 MHz input (2.0 V p-p)LVDS28OUTPUTD13 TO D0102 dBFS 2-tone SFDR with 30 MHz and 31 MHzSTAGING292 dBFS 2-tone SFDR with 170 MHz and 171 MHzCLOCKCLK+DCOAND TIMINGREF60 fsec rms jitterCLK–MANAGEMENTExcellent linearityDNL = ±0.25 LSB typicalVREF SENSE REFT REFB 05489-001 INL = ±0.8 LSB typical Figure 1. 2.0 V p-p to 4.0 V p-p differential full-scale input Buffered analog inputsLVDS outputs (ANSI-644 compatible) or CMOS outputs Data format select (offset binary or twos complement) Optional features allow users to implement various selectable Output clock available operating conditions, including input range, data format select, 3.3 V and 5 V supply operation high IF sampling mode, and output data mode.
The AD9445 is available in a Pb-free, 100-lead, surface-mount, APPLICATIONS plastic package (100-lead TQFP/EP) specified over the Multicarrier, multimode cellular receivers industrial temperature range −40°C to +85°C. Antenna array positioningPower amplifier linearizationPRODUCT HIGHLIGHTSBroadband wireless Radar 1. High performance: outstanding SFDR performance for IF Infrared imaging sampling applications such as multicarrier, multimode 3G, Medical imaging and 4G cellular base station receivers. Communications instrumentation 2. Ease of use: on-chip reference and high input impedance