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DAC5682ZIRGCTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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DAC5682ZIRGCTG4 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 59 page  1 FEATURES DESCRIPTION APPLICATIONS DAC5682Z www.ti.com ........................................................................................................................................................ SLLS853C – AUGUST 2007 – REVISED JUNE 2009 16-BIT, 1.0 GSPS 2x-4x INTERPOLATING DUAL-CHANNEL DIGITAL-TO-ANALOG CONVERTER (DAC) • 16-Bit Digital-to-Analog Converter (DAC) • 1.0 GSPS Update Rate The DAC5682Z is a dual-channel 16-bit 1.0 GSPS digital-to-analog converter (DAC) with wideband • 16-Bit Wideband Input LVDS Data Bus LVDS data input, integrated 2x/4x interpolation filters, – 8 Sample Input FIFO on-board clock multiplier and internal voltage – Interleaved I/Q data for Dual-DAC Mode reference. The DAC5682Z offers superior linearity, noise, crosstalk and PLL phase noise performance. • High Performance – 73 dBc ACLR WCDMA TM1 at 180 MHz The DAC5682Z integrates a wideband LVDS port with on-chip termination. Full-rate input data can be • 2x-32x Clock Multiplying PLL/VCO transferred to a single DAC channel, or half-rate and • 2x or 4x Interpolation Filters 1/4-rate input data can be interpolated by on-board – Stopband Transition 0.4–0.6 Fdata 2x or 4x FIR filters. Each interpolation FIR is configurable in either Low-Pass or High-Pass mode, – Filters Configurable in Either Low-Pass or allowing selection of a higher order output spectral High-Pass Mode image. An on-chip delay lock loop (DLL) simplifies – Allows Selection of Higher Order Image LVDS interfacing by providing skew control for the • Fs/4 Coarse Mixer LVDS input data clock. • On Chip 1.2 V Reference The DAC5682Z allows both complex or real output. • Differential Scalable Output: 2 to 20 mA An optional Fs/4 coarse mixer in complex mode provides coarse frequency upconversion and the dual • Package: 64-Pin 9 × 9 mm QFN DAC output produces a complex Hilbert Transform pair. An external RF quadrature modulator then performs the final single sideband up-conversion. • Cellular Base Stations The DAC5682Z is characterized for operation over • Broadband Wireless Access (BWA) the industrial temperature range of –40°C to 85°C • WiMAX 802.16 and is available in a 64-pin QFN package. Other • Fixed Wireless Backhaul single-channel members of the family include the interpolating DAC5681Z and non-interpolating • Cable Modem Termination System (CMTS) DAC5681. ORDERING INFORMATION TA ORDER CODE PACKAGE DRAWING/TYPE(1)(2)(3) TRANSPORT MEDIA QUANTITY DAC5682ZIRGCT Tape and Reel 250 RGC / 64QFN Quad Flatpack –40°C to 85°C No-Lead DAC5682ZIRGCR Tape and Reel 2000 (1) Thermal Pad Size: 7,4 mm × 7,4 mm (2) MSL Peak Temperature: Level-3-260C-168 HR (3) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. 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 © 2007–2009, 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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