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ADS1254WDBQEP PDF预览

ADS1254WDBQEP

更新时间： 2024-09-15 12:21:31
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器光电二极管PC
页数 文件大小 规格书
26页 537K
描述
24-Bit, 20-kHz, LOW POWER ANALOG-TO-DIGITAL CONVERTER

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ADS1254WDBQEP 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SSOP包装说明：SSOP-20
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：8.58
Samacsys Confidence：Samacsys Status：Released
Samacsys PartID：605133Samacsys Pin Count：20
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Other
Samacsys Footprint Name：SOP63P600X175-20NSamacsys Released Date：2017-01-12 12:59:53
Is Samacsys：N最大模拟输入电压：5.25 V
最小模拟输入电压：最长转换时间：50 µs
转换器类型：ADC, DELTA-SIGMAJESD-30 代码：R-PDSO-G20
JESD-609代码：e4长度：8.65 mm
最大线性误差 (EL)：0.0078%湿度敏感等级：2
模拟输入通道数量：4位数：24
功能数量：1端子数量：20
最高工作温度：115 °C最低工作温度：-55 °C
输出位码：OFFSET BINARY, 2'S COMPLEMENT BINARY输出格式：SERIAL
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：1.8/3.6,5 V认证状态：Not Qualified
采样速率：0.02 MHz座面最大高度：1.75 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端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

ADS1254WDBQEP 数据手册

 浏览型号ADS1254WDBQEP的Datasheet PDF文件第2页浏览型号ADS1254WDBQEP的Datasheet PDF文件第3页浏览型号ADS1254WDBQEP的Datasheet PDF文件第4页浏览型号ADS1254WDBQEP的Datasheet PDF文件第5页浏览型号ADS1254WDBQEP的Datasheet PDF文件第6页浏览型号ADS1254WDBQEP的Datasheet PDF文件第7页 
ADS1254-EP  
www.ti.com  
SBAS497 –APRIL 2010  
24-Bit, 20-kHz, LOW POWER ANALOG-TO-DIGITAL CONVERTER  
Check for Samples: ADS1254-EP  
1
FEATURES  
APPLICATIONS  
•
•
•
•
•
•
Cardiac Diagnostics  
Direct Thermocouple Interfaces  
Blood Analysis  
Infrared Pyrometers  
Liquid/Gas Chromatography  
Precision Process Control  
•
24 Bits, No Missing Codes  
•
19 Bits Effective Resolution Up to  
20-kHz Data Rate  
•
•
•
•
•
•
Four Differential Inputs  
External Reference (0.5 V to 5 V)  
Power Down Mode  
Sync Mode  
SUPPORTS DEFENSE, AEROSPACE,  
AND MEDICAL APPLICATIONS  
Low Power: 4 mW at 20 kHz  
Separate Digital Interface Supply  
(1.8 V to 3.6 V)  
•
•
•
•
•
•
Controlled Baseline  
One Assembly/Test Site  
One Fabrication Site  
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
DESCRIPTION  
The ADS1254 is a precision, wide dynamic range, delta-sigma, analog-to-digital converter (ADC) with 24-bit  
resolution. The delta-sigma architecture is used for wide dynamic range and to ensure 24 bits of no missing  
codes performance. An effective resolution of 19 bits is achieved for conversion rates up to 20 kHz.  
The ADS1254 is designed for high-resolution measurement applications in cardiac diagnostics, smart  
transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. The  
converter includes a flexible, two-wire synchronous serial interface for low-cost isolation.  
The ADS1254 is a multi-channel converter and is offered in an SSOP-20 package.  
ADS1254  
VREF  
CLK  
CH1+  
CH1–  
CH2+  
CH2–  
4th-Order  
∆Σ  
SCLK  
Digital  
Filter  
Serial  
Mux  
Interface  
DOUT/DRDY  
CH3+  
CH3–  
CH4+  
CH4–  
Modulator  
AVDD  
AGND  
DVDD  
Control  
DGND  
CHSEL0 CHSEL1  
1
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010, Texas Instruments Incorporated  
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