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ADS7805UB-2/1KE4

更新时间： 2024-02-14 12:32:43
品牌 Logo 应用领域
德州仪器 - TI 光电二极管转换器
页数 文件大小 规格书
32页 1061K
描述
1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28, PLASTIC, SOIC-28

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ADS7805UB-2/1KE4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP28,.4
针数：28Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.08最大模拟输入电压：10 V
最小模拟输入电压：-10 V最长转换时间：8 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-PDSO-G28
长度：17.9 mm最大线性误差 (EL)：0.0046%
模拟输入通道数量：1位数：16
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-25 °C
输出位码：2'S COMPLEMENT BINARY输出格式：PARALLEL, WORD
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）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
采样速率：0.1 MHz采样并保持/跟踪并保持：SAMPLE
座面最大高度：2.65 mm子类别：Analog to Digital Converters
标称供电电压：5 V表面贴装：YES
技术：CMOS温度等级：OTHER
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

ADS7805UB-2/1KE4 数据手册

 浏览型号ADS7805UB-2/1KE4的Datasheet PDF文件第2页浏览型号ADS7805UB-2/1KE4的Datasheet PDF文件第3页浏览型号ADS7805UB-2/1KE4的Datasheet PDF文件第4页浏览型号ADS7805UB-2/1KE4的Datasheet PDF文件第5页浏览型号ADS7805UB-2/1KE4的Datasheet PDF文件第6页浏览型号ADS7805UB-2/1KE4的Datasheet PDF文件第7页 
ꢇ ꢍꢚ ꢛꢀ ꢀꢁ  
www.ti.com  
SBAS286C − JUNE 2003 − REVISED JANUARY 2009  
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FEATURES  
DESCRIPTION  
D
D
D
240SPS Data Rate with 4MHz Clock  
20-Bit Effective Resolution  
The ADS1224 is a 4-channel, 24-bit, delta-sigma ana-  
log-to-digital (A/D) converter. It offers excellent perfor-  
mance and low power in a TSSOP-20 package. The  
ADS1224 is well-suited for demanding, high-resolution  
measurements, especially in portable systems and oth-  
er space-saving and power-constrained applications.  
Input Multiplexer with Four Differential  
Channels  
D
D
D
D
D
D
D
D
D
D
Pin-Selectable, High-Impedance Input Buffer  
5V Differential Input Range  
A delta-sigma (∆Σ) modulator and digital filter form the  
basis of the A/D converter. The analog modulator has  
0.0003% INL (typ), 0.0015% INL (max)  
Self-Calibrating  
a
5V differential input range. An input multiplexer  
(MUX) is used to select between four separate  
differential input channels. A buffer can be selected to  
increase the input impedance of the measurement.  
Simple 2-Wire Serial Interface  
On-Chip Temperature Sensor  
Single Conversions with Standby Mode  
Low Current Consumption: 300µA  
Analog Supply: 2.7V to 5.5V  
A simple, 2-wire serial interface provides all the  
necessary control. Data retrieval, self-calibration, and  
Standby mode are handled with a few simple  
waveforms. When only single conversions are needed,  
the ADS1224 can be quickly shut down (Standby mode)  
while idle between measurements to dramatically  
reduce the overall power consumption. Multiple  
ADS1224s can be connected together to create a  
synchronously sampling multichannel measurement  
system. The ADS1224 is designed to easily connect to  
microcontrollers, such as the MSP430.  
Digital Supply: 2.7V to 5.5V  
APPLICATIONS  
D
D
D
D
Hand-Held Instrumentation  
Portable Medical Equipment  
Industrial Process Control  
Weigh Scales  
The ADS1224 supports 2.7V to 5.5V analog supplies  
and 2.7V to 5.5V digital supplies. Power is typically less  
than 1mW in 3V operation and less than 1µW during  
Standby mode.  
TEMPEN  
AVDD  
VREFP VREFN  
DVDD  
CLK  
AINP1  
AINN1  
AINP2  
AINN2  
Digital Filter  
and  
Serial Interface  
SCLK  
∆Σ  
Modulator  
Mux  
Buffer  
DRDY/DOUT  
AINP3  
AINN3  
AINP4  
AINN4  
MUX0 MUX1  
BUFEN  
GND  
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.  
ꢜꢝ ꢞ ꢍꢟ ꢎ ꢠꢕ ꢞꢡ ꢍ ꢇꢠꢇ ꢄꢈ ꢔꢋ ꢑ ꢢꢉ ꢅꢄꢋꢈ ꢄꢣ ꢤꢗ ꢑ ꢑ ꢐꢈꢅ ꢉꢣ ꢋꢔ ꢖꢗꢥ ꢊꢄꢤ ꢉꢅꢄ ꢋꢈ ꢦꢉ ꢅꢐꢧ ꢜꢑ ꢋꢦꢗ ꢤꢅꢣ  
ꢤ ꢋꢈ ꢔꢋꢑ ꢢ ꢅꢋ ꢣ ꢖꢐ ꢤ ꢄ ꢔꢄ ꢤ ꢉ ꢅꢄ ꢋꢈꢣ ꢖ ꢐꢑ ꢅꢓꢐ ꢅꢐ ꢑ ꢢꢣ ꢋꢔ ꢠꢐꢙ ꢉꢣ ꢕꢈꢣ ꢅꢑ ꢗꢢ ꢐꢈꢅ ꢣ ꢣꢅ ꢉꢈꢦ ꢉꢑ ꢦ ꢒ ꢉꢑ ꢑ ꢉ ꢈꢅꢨꢧ  
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Copyright 2003−2008, Texas Instruments Incorporated  
www.ti.com  
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