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AD9778BSVZRL PDF预览

AD9778BSVZRL

更新时间： 2024-01-25 03:54:15
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
34页 915K
描述
Dual 14-Bit, 1 GSPS, Digital-to-Analog Converter

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AD9778BSVZRL 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：HTFQFP, TQFP100,.63SQ针数：100
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：2.3
最大模拟输出电压：1 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, WORDJESD-30 代码：S-PQFP-G100
JESD-609代码：e3长度：14 mm
最大线性误差 (EL)：0.0061%湿度敏感等级：3
位数：14功能数量：2
端子数量：100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：HTFQFP封装等效代码：TQFP100,.63SQ
封装形状：SQUARE封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：1.8,3.3 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Other 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：40
宽度：14 mmBase Number Matches：1

AD9778BSVZRL 数据手册

 浏览型号AD9778BSVZRL的Datasheet PDF文件第2页浏览型号AD9778BSVZRL的Datasheet PDF文件第3页浏览型号AD9778BSVZRL的Datasheet PDF文件第4页浏览型号AD9778BSVZRL的Datasheet PDF文件第5页浏览型号AD9778BSVZRL的Datasheet PDF文件第6页浏览型号AD9778BSVZRL的Datasheet PDF文件第7页 
Dual 14-Bit, 1.0 GSPS  
D/A Converter  
AD9778  
Preliminary Technical Data  
DAC that provides a sample rate of 1 GSPS, permitting multi  
carrier generation up to its Nyquist frequency. It includes features  
optimized for direct conversion transmit applications, including  
complex digital modulation and gain and offset compensation. The  
DAC outputs are optimized to interface seamlessly with analog  
quadrature modulators such as the AD8349. A serial peripheral  
interface (SPI) provides for programming many internal  
FEATURES  
• 1.8/3.3 V Single Supply Operation  
• Low power: 560 mW (IOUTFS = 20 mA; fDAC = 1 GSPS, 4×  
Interpolation  
• DNL = TBD LSB, INL = TBD LSB  
• SFDR = TBD dBc to fOUT = 100 MHz  
• ACLR = 84 dBc @ 80 MHz IF  
parameters and also enables read-back of status registers. The  
output current can be programmed over a range of 10mA to 30mA.  
The AD9778 is manufactured on an advanced 0.18µm CMOS  
process and operates from 1.8V and 3.3V supplies for a total power  
consumption of 325mW. It is supplied in a 100-lead QFP package.  
• CMOS data interface with Autotracking Input Timing  
• Analog Output: Adjustable 10-30mA (RL=25 Ω to 50 Ω)  
• 100-lead Exposed Paddle TQFP Package  
• Multiple Chip Synchronization Interface  
• 84dB Digital Interpolation Filter Stopband Attenuation  
• Digital Inverse Sinc Filter  
PRODUCT HIGHLIGHTS  
Ultra-low Noise and Intermodulation Distortion (IMD) enable  
high quality synthesis of wideband signals from baseband to high  
intermediate frequencies.  
APPLICATIONS  
• Wireless Infrastructure  
Direct Conversion  
Single-ended CMOS interface supports a maximum input rate of  
300 MSPS with 1x interpolation.  
Transmit Diversity  
• Wideband Communications Systems:  
Point-to-Point Wireless, LMDS  
Manufactured on a CMOS process, the AD9778 uses a proprietary  
switching technique that enhances dynamic performance.  
PRODUCT DESCRIPTION  
The current outputs of the AD9778 can be easily configured for  
various single-ended or differential circuit topologies.  
The AD9778 is a dual 14-bit high performance, high frequency  
FUNCTIONAL BLOCK DIAGRAM  
Delay Line  
Delay Line  
SYNC_O  
SYNC_I  
Clock Generation/Distribution  
DATACLK_OUT  
Clock  
CLK+  
Multiplier  
CLK-  
2X/4X/8X  
Data  
Assembler  
IOUT1_P  
IOUT1_N  
Sinc-1  
16-Bit  
IDAC  
P1D[13:0]  
P2D[13:0]  
I Latch  
2X  
2X  
2X  
2X  
2X  
n * Fdac/8  
n = 1, 2, 3… 7  
Complex  
Modulator  
IOUT2_P  
IOUT2_N  
Q Latch  
2X  
16-Bit  
QDAC  
Sinc-1  
Digital Controller  
10  
10  
Gain  
Gain  
VREF  
RSET  
Reference  
& Bias  
Serial  
Peripheral  
Interface  
Power-On  
Reset  
10  
10  
AUX1_P  
AUX1_N  
AUX2_P  
AUX2_N  
Offset  
Offset  
Figure 1 Functional Block Diagram  
Rev. PrA  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. 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 owners.  
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  
© 2005 Analog Devices, Inc. All rights reserved.  
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