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DAC5681ZIRGCR 数据表(PDF) 1 Page - Texas Instruments |
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DAC5681ZIRGCR 数据表(HTML) 1 Page - Texas Instruments |
1 / 8 page 1 FEATURES DESCRIPTION APPLICATIONS DAC5681Z SLLS865 – AUGUST 2007 www.ti.com 16-BIT, 1.0 GSPS 2x-4x INTERPOLATING DIGITAL-TO-ANALOG CONVERTER (DAC) • 16-Bit Digital-to-Analog Converter (DAC) The DAC5681Z is a 16-bit 1.0 GSPS digital-to-analog converter (DAC) with wideband LVDS data input, • 1.0 GSPS Update Rate integrated 2x/4x interpolation filters, on-board clock • 16-Bit, 1.0 GSPS Input LVDS Data Bus multiplier, and internal voltage reference. The – 8 Sample Input FIFO DAC5681Z offers superior linearity and noise – On-Chip Delay Lock Loop performance. • High Performance The DAC5681Z integrates a wideband LVDS port with on-chip termination, providing full 1.0 GSPS data – 73 dBc ACLR WCDMA TM1 at 180 MHz transfer into the DAC, or half-rate data and 1/4-rate • 2x-32x Clock Multiplying PLL/VCO input data can be interpolated by on-board 2x or 4x • 2x or 4x Interpolation Filters FIR filters. Each interpolation FIR is configurable in – Stopband Transition 0.4–0.6 Fdata either Low-Pass or High-Pass mode, allowing selection of a higher order output sectral image. An – Filters configurable in either Low-Pass or on-chip delay lock loop (DLL) simplifies LVDS High-Pass mode–allows selection or higher interfacing by providing skew control for the LVDS order image input data clock. • On-Chip 1.2-V Reference The current-steering architecture of the DAC5681Z • Differential Scalable Output: 2 to 20 mA consists of a segmented array of current sinking • Package: 64-Pin 9 × 9 mm QFN switches directing up to 20mA of full-scale current to complementary output nodes. An accurate on-chip voltage reference is temperature-compensated and delivers a stable 1.2-V reference voltage. Optionally, • Cellular Base Stations an external reference may be used. • Broadband Wireless Access (BWA) The DAC5681Z is characterized for operation over • WiMAX 802.16 the industrial temperature range of –40°C to 85°C • Fixed Wireless Backhaul and is available in a 64-pin QFN package. The device • Cable Modem Termination System (CMTS) is pin upgradeable to the dual-channel DAC5682Z as well as the single-channel, non-interpolating DAC5681. ORDERING INFORMATION TA ORDER CODE PACKAGE DRAWING/TYPE(1) (2)(3) TRANSPORT MEDIA QUANTITY DAC5681ZIRGCT Small Tape and Reel 250 –40 °C to 85°C RGC / 64QFN Quad Flatpack No-Lead DAC5681ZIRGCR Large 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. PRODUCT PREVIEW information concerns products in the Copyright © 2007, Texas Instruments Incorporated formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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类似说明 - DAC5681ZIRGCR |
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