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DAC3482 데이터시트(PDF) 1 Page - Texas Instruments |
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DAC3482 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 92 page DAC3482 www.ti.com SLAS748E – MARCH 2011 – REVISED JULY 2013 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 attenuation simplify the data interface and • Flexible On-Chip Complex Mixing reconstruction filters. A complex mixer allows flexible – Fine Mixer with 32-bit NCO carrier placement. A high-performance low jitter clock – Power Saving Coarse Mixer: ± n×Fs/8 multiplier simplifies clocking of the device without • High Performance, Low Jitter Clock significant impact on the dynamic range. The digital Quadrature Modulator Correction (QMC) enables Multiplying PLL complete IQ compensation for gain, offset, phase, • Digital I and Q Correction and group delay between channels in direct up- – Gain, Phase, Offset, and Group Delay conversion applications. Correction Digital data is input to the device through a flexible • Digital Inverse Sinc Filter LVDS data bus with on-chip termination. Data can be • Flexible LVDS Input Data Bus input either word-wide or byte-wide. The device includes a FIFO, data pattern checker and parity test – Word- or Byte-Wide Interface to ease the input interface. The interface also allows – 8 Sample Input FIFO full synchronization of multiple devices. – Data Pattern Checker The device is characterized for operation over the – Parity Check entire industrial temperature range of –40°C to 85°C • Temperature Sensor and is available in a very-small 88-pin 9x9mm WQFN package. • Differential Scalable Output: 10mA to 30mA • Multiple Package Options: 88-pin 9x9mm The DAC3482 very low power, small size, superior WQFN and 196-ball 12mmx12mm BGA crosstalk, high dynamic range and features are an ideal fit for today’s communication systems. (GREEN / Pb-Free) APPLICATIONS • 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 © 2011–2013, 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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