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DAC900U/1KG4 PDF预览

DAC900U/1KG4

更新时间： 2024-11-25 12:21:27
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
24页 798K
描述
10-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER

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中文翻译

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DAC900U/1KG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：GREEN, PLASTIC, SOIC-28针数：28
Reach Compliance Code：unknown风险等级：5.75
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：R-PDSO-G28JESD-609代码：e4
长度：17.9 mm最大线性误差 (EL)：0.0977%
湿度敏感等级：2位数：10
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：5 V认证状态：Not Qualified
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 mm
Base Number Matches：1

DAC900U/1KG4 数据手册

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DAC900  
0
0
9
C
A
D
SBAS093B – MAY 2002  
TM  
10-Bit, 165MSPS  
DIGITAL-TO-ANALOG CONVERTER  
FEATURES  
DESCRIPTION  
The DAC900 is a high-speed, Digital-to-Analog Converter (DAC)  
offering a 10-bit resolution option within the SpeedPlus family of  
high-performance converters. Featuring pin compatibility among  
family members, the DAC908, DAC902, and DAC904 provide a  
component selection option to an 8-, 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.  
● SINGLE +5V OR +3V OPERATION  
●
HIGH SFDR: 5MHz Output at 100MSPS: 68dBc  
● LOW GLITCH: 3pV-s  
● LOW POWER: 170mW at +5V  
● INTERNAL REFERENCE:  
Optional Ext. Reference  
Adjustable Full-Scale Range  
Multiplying Option  
The advanced segmentation architecture of the DAC900 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.  
APPLICATIONS  
● COMMUNICATION TRANSMIT CHANNELS  
WLL, Cellular Base Station  
Digital Microwave Links  
The DAC900 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.  
Cable Modems  
● WAVEFORM GENERATION  
Direct Digital Synthesis (DDS)  
Arbitrary Waveform Generation (ARB)  
Utilizing a small geometry CMOS process, the monolithic DAC900  
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.  
● MEDICAL/ULTRASOUND  
● HIGH-SPEED INSTRUMENTATION AND CON-  
TROL  
For noncontinuous operation of the DAC900, a power-down mode  
results in only 45mW of standby power.  
● VIDEO, DIGITAL TV  
The DAC900 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 DAC900.  
+VA  
BW  
+VD  
DAC900  
IOUT  
IOUT  
BYP  
LSB  
Switches  
FSA  
The reference structure of the DAC900 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.  
Current  
Sources  
REFIN  
Segmented  
Switches  
INT/EXT  
The DAC900 is available in SO-28 and TSSOP-28 packages.  
Latches  
PD  
+1.24V Ref.  
10-Bit Data Input  
D9...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.  
Copyright © 2002, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
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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