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DAC5681

更新时间： 2024-11-21 06:52:15
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
47页 1909K
描述
16-BIT, 1.0 GSPS DIGITAL-TO-ANALOG CONVERTER (DAC)

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DAC5681 数据手册

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DAC5681  
www.ti.com ................................................................................................................................................. SLLS864A–AUGUST 2007–REVISED JANUARY 2009  
16-BIT, 1.0 GSPS  
DIGITAL-TO-ANALOG CONVERTER (DAC)  
1
FEATURES  
DESCRIPTION  
•
•
•
16-Bit Digital-to-Analog Converter (DAC)  
1.0 GSPS Update Rate  
The DAC5681 is a 16-bit 1.0 GSPS digital-to-analog  
converter (DAC) with wideband LVDS data input and  
internal voltage reference. The DAC5681 offers  
superior linearity and noise performance.  
16-Bit Wideband Input LVDS Data Bus  
–
–
8 Sample Input FIFO  
On-Chip Delay Lock Loop  
The DAC5681 integrates a wideband LVDS port with  
on-chip termination, providing full 1.0 GSPS data  
transfer into the DAC and lower EMI than traditional  
CMOS data interfaces. An on-chip delay lock loop  
(DLL) simplifies LVDS interfacing by providing skew  
control for the LVDS input data clock.  
•
High Performance  
73 dBc ACLR WCDMA TM1 at 180 MHz  
–
•
•
•
On Chip 1.2 V Reference  
Differential Scalable Output: 2 to 20 mA  
Package: 64-Pin 9 × 9 mm QFN  
The current-steering architecture of the DAC5681  
consists of a segmented array of current sinking  
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,  
an external reference may be used.  
APPLICATIONS  
•
•
•
•
•
•
•
Cellular Base Stations  
Broadband Wireless Access (BWA)  
WiMAX 802.16  
Fixed Wireless Backhaul  
Cable Modem Termination System (CMTS)  
Medical / Test Instrumentation  
Radar Systems  
The DAC5681 is characterized for operation over the  
industrial temperature range of –40°C to 85°C and is  
available in a 64-pin QFN package. The device is pin  
upgradeable to the other members of the family: the  
DAC5681Z and DAC5682Z. The single-channel  
DAC5681Z and dual-channel DAC5682Z both  
provide optional 2x/4x interpolation and a clock  
multiplying PLL.  
ORDERING INFORMATION  
TA  
ORDER CODE  
DAC5681IRGCT  
DAC5681IRGCR  
PACKAGE DRAWING/TYPE(1)(2)(3)  
TRANSPORT MEDIA  
Tape and Reel  
QUANTITY  
250  
RGC / 64QFN Quad Flatpack  
No-Lead  
–40°C to 85°C  
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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DAC5681 替代型号

型号 品牌 替代类型 描述 数据表
DAC5681Z TI

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 16-BIT, 1.0 GSPS 2x-4x INTERPOLATING DIGITAL-TO-ANALOG CONVERTER (DAC)

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DAC5682 TI

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 		16-BIT, 1.0 GSPS 2x-4x INTERPOLATING DUAL-CHANNEL DIGITAL-TO-ANALOG CONVERTER (DAC)

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