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DAC7822IRTAR PDF预览

DAC7822IRTAR

更新时间： 2024-09-14 02:58:19
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
24页 1177K
描述
Dual, 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter

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中文翻译

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DAC7822IRTAR 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：QFN
包装说明：HVQCCN, LCC40,.24SQ,20针数：40
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.25转换器类型：D/A CONVERTER
输入位码：BINARY输入格式：PARALLEL, WORD
JESD-30 代码：S-PQCC-N40JESD-609代码：e4
长度：6 mm最大线性误差 (EL)：0.0244%
湿度敏感等级：2位数：12
功能数量：1端子数量：40
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC40,.24SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE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：10 MHz座面最大高度：0.8 mm
最大稳定时间：0.2 µs子类别：Other Converters
最大压摆率：0.005 mA标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD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：NOT SPECIFIED
宽度：6 mmBase Number Matches：1

DAC7822IRTAR 数据手册

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DAC7822  
SBAS374A–JUNE 2006–REVISED JULY 2007  
Dual, 12-Bit, Parallel Input, Multiplying  
Digital-to-Analog Converter  
FEATURES  
DESCRIPTION  
•
•
•
±1LSB INL  
The DAC7822 is a dual, CMOS, 12-bit, current  
output digital-to-analog converter (DAC). This device  
operates from a 2.5V to 5.5V power supply, making it  
suitable for battery-powered and many other  
applications.  
2.5V to 5.5V Supply Operation  
Fast Parallel Interface:  
17ns Write Cycle  
•
•
•
•
Update Rate of 20.4MSPS  
10MHz Multiplying Bandwidth  
±15V Reference Input  
The DAC7822 operates with a fast parallel interface.  
Data readback allows the user to read the contents  
of the DAC register via the DB pins. On power-up,  
the internal register and latches are filled with zeroes  
and the DAC outputs are at zero scale.  
Extended Temperature Range:  
–40°C to +125°C  
The  
DAC7822  
offers  
excellent  
4-quadrant  
•
•
•
•
•
•
•
40-Lead QFN  
multiplication characteristics, with large signal  
multiplying bandwidth of 10MHz. The applied  
external reference input voltage (VREF) determines  
the full-scale output current. An integrated feedback  
resistor (RFB) provides temperature tracking and  
full-scale voltage output when combined with an  
external current-to-voltage precision amplifier. The  
DAC7822 also includes the resistors necessary for  
4-quadrant multiplication and other configuration  
modes.  
12-Bit Monotonic  
4-Quadrant Multiplication  
Power-On Reset with Brownout Detection  
Readback Function  
Industry-Standard Pin Configuration  
Pin-Compatible with the AD5405  
APPLICATIONS  
•
•
•
•
•
•
•
Portable Battery-Powered Instruments  
Waveform Generators  
Analog Processing  
Programmable Amplifiers and Attenuators  
Digitally-Controlled Calibration  
Programmable Filters and Oscillators  
Ultrasound  
The DAC7822 is available in  
package.  
a 40-lead QFN  
R3A  
R2_3A  
R2A VREF  
A
R1A  
R3  
R2  
R1  
RFB  
2R  
2R  
2R  
2R  
RFBA  
VDD  
DB0  
DATA  
IOUT1A  
IOUT2A  
INPUT  
12-Bit  
INPUTS  
LATCH  
BUFFER  
R-2R DAC A  
DB11  
DAC A/B  
CS  
CONTROL  
LOGIC  
IOUT1B  
IOUT2B  
12-Bit  
R/W  
LATCH  
R-2R DAC B  
LDAC  
CLR  
R3  
R2  
2R  
R1  
RFB  
2R  
2R  
2R  
POWER-ON  
RESET  
GND  
RFB  
B
R3B  
R2_3B  
R2B VREF  
B
R1B  
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.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2007, Texas Instruments Incorporated  
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中文翻译

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DAC7822IRTAR 替代型号

型号 品牌 替代类型 描述 数据表
DAC7822IRTAT TI

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 Dual, 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter
DAC7822IRTATG4 TI

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 12-bit, Dual Channel, Parallel Input, Multiplying Digital-to-Analog Converter 40-WQFN -40

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