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DAC908U/1K PDF预览

DAC908U/1K

更新时间： 2024-11-28 12:50:31
品牌 Logo 应用领域
德州仪器 - TI 转换器数模转换器光电二极管
页数 文件大小 规格书
23页 789K
描述
8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER

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中文翻译

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DAC908U/1K 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP28,.4针数：28
Reach Compliance Code：compliant风险等级：5.2
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, 8 BITS
JESD-30 代码：R-PDSO-G28JESD-609代码：e4
长度：17.9 mm最大线性误差 (EL)：0.1953%
湿度敏感等级：2位数：8
功能数量：1端子数量：28
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：SOP
封装等效代码：SOP28,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
电源：3/5 V认证状态：Not Qualified
采样速率：200 MHz座面最大高度：2.65 mm
标称安定时间 (tstl)：0.03 µs子类别：Other Converters
最大压摆率：30 mA标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.5 mmBase Number Matches：1

DAC908U/1K 数据手册

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DAC908  
8
0
9
C
A
D
SBAS109B – JUNE 2003  
TM  
8-Bit, 165MSPS  
DIGITAL-TO-ANALOG CONVERTER  
FEATURES  
● SINGLE +5V OR +3V OPERATION  
APPLICATIONS  
● MEDICAL INSTRUMENTATION  
Ultrasound (DBF)  
●
HIGH SFDR: 5.04MHz Output at 100MSPS: 67dBc  
● VIDEO, DIGITAL TV  
● LOW GLITCH: 3pV-s  
● WAVEFORM GENERATION  
● LOW POWER: 170mW at +5V  
Direct Digital Synthesis (DDS)  
● INTERNAL REFERENCE:  
Optional Ext. Reference  
Adjustable Full-Scale Range  
Multiplying Option  
Arbitrary Waveform Generation (ARB)  
● TEST INSTRUMENTATION  
● COMMUNICATIONS  
For noncontinuous operation of the DAC908, a power-down mode  
results in only 45mW of standby power.  
DESCRIPTION  
The DAC908 is a high-speed, Digital-to-Analog Converter (DAC)  
offering an 8-bit resolution option within the SpeedPlus family of  
high-performance converters. Featuring pin compatibility among  
family members, the DAC900, DAC902, and DAC904 provide a  
component selection option to an 10-, 12-, and 14-bit resolution,  
respectively. All models within this family of DACs support update  
rates in excess of 165MSPS with excellent dynamic performance,  
and are especially suited to fulfill the demands of a variety of  
applications.  
The DAC908 comes with an integrated 1.24V bandgap reference  
and edge-triggered input latches, offering a complete converter  
solution. Both +3V and +5V CMOS logic families can be inter-  
faced to the DAC908.  
The reference structure of the DAC908 allows for additional  
flexibility by utilizing the on-chip reference, or applying an exter-  
nal reference. The full-scale output current can be adjusted over a  
span of 2mA to 20mA, with one external resistor, while maintain-  
ing the specified dynamic performance.  
The advanced segmentation architecture of the DAC908 is opti-  
mized to provide a high Spurious-Free Dynamic Range (SFDR) for  
single-tone, as well as for multi-tone signals—essential when used  
for the transmit signal path of communication systems.  
The DAC908 is available in the SO-28 and TSSOP-28 packages.  
+VA  
BW  
+VD  
DAC908  
The DAC908 has a high impedance (200kΩ) current output with a  
nominal range of 20mA and an output compliance of up to 1.25V.  
The differential outputs allow for both a differential or single-  
ended analog signal interface. The close matching of the current  
outputs ensures superior dynamic performance in the differential  
configuration, which can be implemented with a transformer.  
IOUT  
IOUT  
BYP  
LSB  
Switches  
FSA  
Current  
Sources  
REFIN  
Segmented  
Switches  
INT/EXT  
Utilizing a small geometry CMOS process, the monolithic DAC908  
can be operated on a wide, single-supply range of +2.7V to +5.5V.  
Its low power consumption allows for use in portable and battery-  
operated systems. Further optimization can be realized by lowering  
the output current with the adjustable full-scale option.  
Latches  
PD  
+1.24V Ref.  
8-Bit Data Input  
D7...D0  
AGND  
CLK  
DGND  
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 © 2002-2003, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  
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中文翻译

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DAC908U/1K 替代型号

型号 品牌 替代类型 描述 数据表
DAC908U TI

完全替代

 8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
AD9708ARZ ADI

功能相似

 8-Bit, 100 MSPS TxDAC D/A Converter
AD9708AR ADI

功能相似

 8-Bit, 100 MSPS TxDAC D/A Converter

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