DAC34H84I Datasheet PDF - TI

●Description

●The DAC34H84 is a very low power, high dynamic range, quad-channel, 16-bit digital-to-analog converter (DAC) with a sample rate as high as 1.25 GSPS.

●The device includes features that simplify the design of complex transmit architectures: 2x to 16x digital interpolation filters with over 90 dB of stop-band attenuation simplify the data interface and reconstruction filters. Independent complex mixers allow flexible carrier placement.

●Features

●• Very Low Power: 1.4 W at 1.25 GSPS

●• Multi-DAC Synchronization

●• Selectable 2x, 4x, 8x, 16x Interpolation Filter

●   – Stop-Band Attenuation > 90 dBc

●• Flexible On-chip Complex Mixing

●   – Two Independent Fine Mixers with 32-bit NCOs

●   – Power Saving Coarse Mixers: ± n×Fs/8

●• High Performance, Low Jitter Clock Multiplying PLL

●• Digital I and Q Correction

●   – Gain, Phase, Offset, and Group Delay Correction

●• Digital Inverse Sinc Filters

●• 32-Bit DDR Flexible LVDS Input Data Bus

●   – 8 Sample Input FIFO

●   – Supports Data Rates up to 625 MSPS

●   – Data Pattern Checker

●   – Parity Check

●• Temperature Sensor

●• Differential Scalable Output: 10mA to 30mA

●• 196-Ball, 12x12mm NFBGA (GREEN / Pb-Free)

●Applications

●• Cellular Base Stations

●• Diversity Transmit

●• Wideband Communications