AD9445

Preliminary Technical Data FEATURES 125 MSPS guaranteed sampling rate (AD9445BSV-125) 100 dB two-tone SFDR with 30 MHz and 31 MHz 73.5 dB SNR with 70 MHz input 88 dBc SFDR with 225 MHz input Excellent linearity DNL = ±0.25 LSB typical INL = ±0.8 LSB typical 2.3 W power dissipation 3.3 V and 5 V supply operation 2.0 V p-p to 3.2 V p-p differential full-scale input LVDS outputs (ANSI-644 compatible) or CMOS outputs Data format select (offset binary or twos compliment) Output clock available 14-Bit, 105/125 MSPS, A/D Converters AD9445 FUNCTIONAL BLOCK DIAGRAM AGND AVDD1 AVDD2 DRGND DRVDD AD9445 BUFFER VIN+ VIN– T/H PIPELINE ADC DFS DCS MODE 14 OUTPUT MODE 2 CMOS OR 28 LVDS OUTPUT STAGING 2 OR D13–D0 CLK+ CLK– CLOCK AND TIMING MANAGEMENT REF DCO 05089-001 VREF SENSE REFT REFB Figure 1. APPLICATIONS Multicarrier, multimode cellular receivers Antenna array positioning Power amplifier linearization Broadband wireless Radar Infrared imaging Medical imaging Communications instrumentation Optional features allow users to implement various selectable operating conditions, including data format select and output data mode. The AD9445 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 1. High performance: outstanding SFDR performance for multicarrier, multimode 3G and 4G cellular base station receivers. 2. Ease of use: on-chip reference and track-and-hold. An output clo...