Dual, 10-/12-/14-/16-Bit, 250 MSPS,
Digital-to-Analog Converters
AD9743/AD9745/AD9746/AD9747 Data Sheet
FEATURES GENERAL DESCRIPTION High dynamic range, dual digital-to-analog converters (DACs)
Low noise and intermodulation distortion
Single carrier W-CDMA ACLR = 80 dBc at 61.44 MHz
intermediate frequency (IF)
Innovative switching output stage permits useable outputs
beyond Nyquist frequency
LVCMOS inputs with dual-port or optional interleaved
single-port operation
Differential analog current outputs are programmable from
8.6 mA to 31.7 mA full-scale
Auxiliary 10-bit current DACs with source/sink capability for
external offset nulling
Internal 1.2 V precision reference voltage source
Operates from 1.8 V and 3.3 V supplies
315 mW power dissipation
Small footprint, RoHS-compliant, 72-lead LFCSP The AD9743/AD9745/AD9746/AD9747 are pin-compatible,
high dynamic range, dual DACs with 10-/12-/ 14-/16-bit
resolutions and sample rates of up to 250 MSPS. The devices
include specific features for direct conversion transmit applications,
including gain and offset compensation, and they interface …