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DAC34H84 数据表(PDF) 1 Page - Texas Instruments |
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DAC34H84 数据表(HTML) 1 Page - Texas Instruments |
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1 / 80 page  DAC34H84 www.ti.com SLAS751A – MARCH 2011 – REVISED JUNE 2011 Quad-Channel, 16-Bit, 1.25 GSPS Digital-to-Analog Converter (DAC) Check for Samples: DAC34H84 1 FEATURES DESCRIPTION The DAC34H84 is a very low power, high dynamic • Very Low Power: 1.4 W at 1.25 GSPS range, quad-channel, 16-bit digital-to-analog • Multi-DAC Synchronization converter (DAC) with a sample rate as high as 1.25 • Selectable 2x, 4x, 8x, 16x Interpolation Filter GSPS. – Stop-Band Attenuation > 90 dBc The device includes features that simplify the design • Flexible On-chip Complex Mixing of complex transmit architectures: 2x to 16x digital – Two Independent Fine Mixers with 32-bit interpolation filters with over 90 dB of stop-band NCOs attenuation simplify the data interface and – Power Saving Coarse Mixers: ± n×Fs/8 reconstruction filters. Independent complex mixers allow flexible carrier placement. A high-performance • High Performance, Low Jitter Clock low jitter clock multiplier simplifies clocking of the Multiplying PLL device without significant impact on the dynamic • Digital I and Q Correction range. The digital Quadrature Modulator Correction – Gain, Phase, Offset, and Group Delay (QMC) enables complete IQ compensation for gain, Correction offset, phase and group delay between channels in • Digital Inverse Sinc Filters direct up-conversion applications. • 32-Bit DDR Flexible LVDS Input Data Bus Digital data is input to the device through a 32-bit – 8 Sample Input FIFO wide LVDS data bus with on-chip termination. The – Supports Data Rates up to 625 MSPS wide bus allows the processing of very high bandwidth signals. The device includes a FIFO, data – Data Pattern Checker pattern checker and parity test to ease the input – Parity Check interface. The interface also allows full • Temperature Sensor synchronization of multiple devices. • Differential Scalable Output: 10mA to 30mA The device is characterized for operation over the • 196-Ball, 12x12mm BGA (GREEN / Pb-Free) entire industrial temperature range of –40°C to 85°C and is available in a 196-ball, 12x12mm, 0.8mm pitch APPLICATIONS BGA package. • Cellular Base Stations The DAC34H84 very low power, high bandwidth • Diversity Transmit support, superior crosstalk, high dynamic range and • Wideband Communications features are an ideal fit for next generation communication systems. spacing 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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类似说明 - DAC34H84 |
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