AD9731

a FEATURES 170 MSPS Update Rate TTL/High Speed CMOS-Compatible Inputs Wideband SFDR: 66 dB @ 2 MHz/50 dB @ 65 MHz Pin-Compatible, Lower Cost Replacement for Industry Standard AD9721 DAC Low Power: 439 mW @ 170 MSPS Fast Settling: 3.8 ns to 1/2 LSB Internal Reference Two Package Styles: 28-Lead SOIC and SSOP APPLICATIONS Digital Communications Direct Digital Synthesis Waveform Reconstruction High Speed Imaging 5 MHz to 65 MHz HFC Upstream Path 10-Bit, 170 MSPS D/A Converter AD9731 FUNCTIONAL BLOCK DIAGRAM D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 CLOCK TTL DRIVE LOGIC DECODERS AND DRIVERS INTERNAL VOLTAGE REFERENCE REGISTER SWITCH NETWORK CONTROL AMP ANALOG RETURN IOUT IOUT REF IN AMP OUT RSET REF OUT DIGITAL DIGITAL ANALOG CONTROL AMP IN –VS +VS –VS GENERAL DESCRIPTION The AD9731 is a 10-bit, 170 MSPS, bipolar D/A converter that is optimized to provide high dynamic performance, yet offer lower power dissipation and more economical pricing than afforded by previous bipolar high...