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AD9755ASTRL PDF预览

AD9755ASTRL

更新时间: 2024-02-27 20:29:31
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
28页 532K
描述
14-Bit, 300 MSPS High Speed TxDAC+ D/A Converter

AD9755ASTRL 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Active零件包装代码:QFP
包装说明:LFQFP, QFP48,.35SQ,20针数:48
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.34
Is Samacsys:N最大模拟输出电压:1.25 V
最小模拟输出电压:-1 V转换器类型:D/A CONVERTER
输入位码:BINARY输入格式:PARALLEL, WORD
JESD-30 代码:S-PQFP-G48JESD-609代码:e3
长度:7 mm最大线性误差 (EL):0.0305%
湿度敏感等级:3模拟输入通道数量:1
位数:14功能数量:1
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装等效代码:QFP48,.35SQ,20
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260电源:3.3 V
认证状态:Not Qualified座面最大高度:1.6 mm
标称安定时间 (tstl):0.011 µs子类别:Analog to Digital Converters
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:7 mm
Base Number Matches:1

AD9755ASTRL 数据手册

 浏览型号AD9755ASTRL的Datasheet PDF文件第2页浏览型号AD9755ASTRL的Datasheet PDF文件第3页浏览型号AD9755ASTRL的Datasheet PDF文件第4页浏览型号AD9755ASTRL的Datasheet PDF文件第5页浏览型号AD9755ASTRL的Datasheet PDF文件第6页浏览型号AD9755ASTRL的Datasheet PDF文件第7页 
14-Bit, 300 MSPS  
®
a
High Speed TxDAC+ D/A Converter  
AD9755*  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
14-Bit Dual Muxed Port DAC  
300 MSPS Output Update Rate  
Excellent SFDR and IMD Performance  
SFDR to Nyquist @ 25 MHz Output: 71 dB  
Internal Clock Doubling PLL  
Differential or Single-Ended Clock Input  
On-Chip 1.2 V Reference  
DVDD  
LATCH  
LATCH  
DCOM  
AVDD  
ACOM  
PORT1  
PORT2  
I
I
OUTA  
OUTB  
MUX  
DAC  
Single 3.3 V Supply Operation  
Power Dissipation: 155 mW @ 3.3 V  
48-Lead LQFP  
CLK+  
CLK–  
CLKVDD  
PLLVDD  
CLKCOM  
REFIO  
FSADJ  
PLL  
CLOCK  
MULTIPLIER  
REFERENCE  
AD9755  
APPLICATIONS  
Communications: LMDS, LMCS, MMDS  
Base Stations  
RESET LPF DIV0 DIV1 PLLLOCK  
Digital Synthesis  
QAM and OFDM  
PRODUCT DESCRIPTION  
The DAC utilizes a segmented current source architecture com-  
bined with a proprietary switching technique to reduce glitch  
energy and maximize dynamic accuracy. Differential current  
outputs support single-ended or differential applications. The  
differential outputs each provide a nominal full-scale current  
from 2 mA to 20 mA.  
The AD9755 is a dual, muxed port, ultrahigh speed, single-  
channel, 14-bit CMOS DAC. It integrates a high quality 14-bit  
TxDAC+ core, a voltage reference, and digital interface circuitry  
into a small 48-lead LQFP package. The AD9755 offers excep-  
tional ac and dc performance while supporting update rates up  
to 300 MSPS.  
The AD9755 is manufactured on an advanced low cost 0.35 µm  
CMOS process. It operates from a single supply of 3.0 V to 3.6 V  
and consumes 155 mW of power.  
The AD9755 has been optimized for ultrahigh speed applica-  
tions up to 300 MSPS where data rates exceed those possible on  
a single data interface port DAC. The digital interface consists  
of two buffered latches as well as control logic. These latches  
can be time multiplexed to the high speed DAC in several ways.  
This PLL drives the DAC latch at twice the speed of the exter-  
nally applied clock and is able to interleave the data from the  
two input channels. The resulting output data rate is twice that  
of the two input channels. With the PLL disabled, an external  
2× clock may be supplied and divided by two internally.  
PRODUCT HIGHLIGHTS  
1. The AD9755 is a member of a pin compatible family of high  
speed TxDAC+s providing 10-, 12-, and 14-bit resolution.  
2. Ultrahigh Speed 300 MSPS Conversion Rate.  
3. Dual 14-Bit Latched, Multiplexed Input Ports. The AD9755  
features a flexible digital interface allowing high speed data  
conversion through either a single or dual port input.  
The CLK inputs (CLK+/CLK–) can be driven either differentially  
or single-ended, with a signal swing as low as 1 V p-p.  
4. Low Power. Complete CMOS DAC function operates on  
155 mW from a 3.0 V to 3.6 V single supply. The DAC full-  
scale current can be reduced for lower power operation.  
5. On-Chip Voltage Reference. The AD9755 includes a 1.20 V  
temperature compensated band gap voltage reference.  
*Protected by U.S. Patent numbers 5450084, 5568145, 5689257, and 5703519.  
Other patents pending.  
REV. B  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  

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