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DAC3482 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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DAC3482 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 79 page DAC3482 www.ti.com SLAS748A – MARCH 2011 – REVISED JUNE 2011 Dual-Channel, 16-BIT, 1.25 GSPS Digital-to-Analog Converter (DAC) Check for Samples: DAC3482 1 FEATURES DESCRIPTION The DAC3482 is a very low power, high dynamic • Very Low Power: 900 mW at 1.25 GSPS, Full range, dual-channel, 16-bit digital-to-analog converter Operating Conditions (DAC) with a sample rate as high as 1.25 GSPS. • Multi-DAC Synchronization The device includes features that simplify the design • Selectable 2x, 4x, 8x, 16x Interpolation Filter of complex transmit architectures: 2x to 16x digital – Stop-Band Attenuation > 90 dBc interpolation filters with over 90 dB of stop-band • Flexible On-Chip Complex Mixing attenuation simplify the data interface and – Fine Mixer with 32-bit NCO reconstruction filters. A complex mixer allows flexible – Power Saving Coarse Mixer: ± n×Fs/8 carrier placement. A high-performance low jitter clock multiplier simplifies clocking of the device without • High Performance, Low Jitter Clock significant impact on the dynamic range. The digital Multiplying PLL Quadrature Modulator Correction (QMC) enables • Digital I and Q Correction complete IQ compensation for gain, offset, phase, – Gain, Phase, Offset, and Group Delay and group delay between channels in direct Correction up-conversion applications. • Digital Inverse Sinc Filter Digital data is input to the device through a flexible • Flexible LVDS Input Data Bus LVDS data bus with on-chip termination. Data can be – Word- or Byte-Wide Interface input either word-wide or byte-wide. The device – 8 Sample Input FIFO includes a FIFO, data pattern checker and parity test to ease the input interface. The interface also allows – Data Pattern Checker full synchronization of multiple devices. – Parity Check The device is characterized for operation over the • Temperature Sensor entire industrial temperature range of –40°C to 85°C • Differential Scalable Output: 10mA to 30mA and is available in a very-small 88-pin 9x9mm WQFN • Space Saving Package: 88-pin 9x9mm WQFN package. (GREEN / Pb-Free) The DAC3482 very low power, small size, superior crosstalk, high dynamic range and features are an APPLICATIONS ideal fit for today ’s communication systems. • Cellular Base Stations • Diversity Transmit • Wideband Communications These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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