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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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DAC3484IRKDR 데이터시트(PDF) 1 Page - Texas Instruments |
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DAC3484IRKDR 데이터시트(HTML) 1 Page - Texas Instruments |
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1 / 82 page  DAC3484 www.ti.com SLAS749A – MARCH 2011 – REVISED JULY 2011 Quad-Channel, 16-Bit, 1.25 GSPS Digital-to-Analog Converter (DAC) Check for Samples: DAC3484 1 FEATURES DESCRIPTION The DAC3484 is a very low power, high dynamic • Very Low Power: 1.27 W at 1.25 GSPS, Full range, quad-channel, 16-bit digital-to-analog Operating Conditions converter (DAC) with a sample rate as high as 1.25 • Multi-DAC Synchronization GSPS. • Selectable 2x, 4x, 8x, 16x Interpolation Filter The device includes features that simplify the design – Stop-Band Attenuation > 90 dBc of complex transmit architectures: 2x to 16x digital interpolation filters with over 90 dB of stop-band • Flexible On-chip Complex Mixing attenuation simplify the data interface and – Two Independent Fine Mixers with 32-bit reconstruction filters. Independent complex mixers NCOs allow flexible carrier placement. A high-performance – Power Saving Coarse Mixers: ± n×Fs/8 low jitter clock multiplier simplifies clocking of the device without significant impact on the dynamic • High Performance, Low Jitter Clock range. The digital Quadrature Modulator Correction Multiplying PLL (QMC) enables complete IQ compensation for gain, • Digital I and Q Correction offset, phase and group delay between channels in – Gain, Phase, Offset, and Group Delay direct up-conversion applications. Correction Digital data is input to the device through a 16-bit • Digital Inverse Sinc Filter LVDS data bus with on-chip termination. The device • Flexible 16-Bit LVDS Input Data Bus includes a FIFO, data pattern checker and parity test 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 – GC5330 Compatible and is available in a very-small 88-pin 9x9mm WQFN • Temperature Sensor package. • Differential Scalable Output: 10mA to 30mA The DAC3484 very low power, small size, superior • Space Saving Package: 88-pin 9x9mm WQFN crosstalk, high dynamic range and features are an ideal fit for systems with multiple transmit channels. (GREEN / Pb-Free) APPLICATIONS • Cellular Base Stations • Diversity Transmit • Wideband Communications spacing spacing spacing spacing 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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