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ADS8509 PDF预览

ADS8509

更新时间: 2023-09-03 20:30:52
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
35页 1123K
描述
具有可编程 (±10/±5/±3.3V) 输入范围和 SPI 接口的 16 位、250kSPS、单通道 SAR ADC

ADS8509 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.25
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:3.2 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G20长度:12.8 mm
最大线性误差 (EL):0.0046%模拟输入通道数量:3
位数:16功能数量:1
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C输出位码:BINARY, 2'S COMPLEMENT BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP20,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:5 V认证状态:Not Qualified
采样速率:0.2 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:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.5 mm
Base Number Matches:1

ADS8509 数据手册

 浏览型号ADS8509的Datasheet PDF文件第2页浏览型号ADS8509的Datasheet PDF文件第3页浏览型号ADS8509的Datasheet PDF文件第4页浏览型号ADS8509的Datasheet PDF文件第5页浏览型号ADS8509的Datasheet PDF文件第6页浏览型号ADS8509的Datasheet PDF文件第7页 
ADS8509  
www.ti.com  
SLAS324C OCTOBER 2004REVISED APRIL 2010  
16-BIT 250-KSPS SERIAL CMOS SAMPLING ANALOG-TO-DIGITAL CONVERTER  
Check for Samples: ADS8509  
1
FEATURES  
DESCRIPTION  
2
250-kHz Sampling Rate  
The ADS8509 is  
a
complete 16-bit sampling  
analog-to-digital (A/D) converter using state-of-the-art  
CMOS structures. It contains a complete 16-bit,  
capacitor-based, successive approximation register  
(SAR) A/D converter with sample-and-hold,  
reference, clock, and a serial data interface. Data can  
be output using the internal clock or can be  
synchronized to an external data clock. The ADS8509  
also provides an output synchronization pulse for  
ease of use with standard DSP processors.  
4-V, 5-V, 10-V, ±3.33-V, ±5-V, and ±10-V Input  
Ranges  
±2 LSB Max INL  
±1 LSB Max DNL, 16-Bit No Missing Codes  
SPI Compatible Serial Output with Daisy-Chain  
(TAG) Feature  
Single 5-V Supply  
Pin-Compatible with ADS7809 (Low Speed)  
and 12-Bit ADS8508/7808  
The ADS8509 is specified at a 250-kHz sampling rate  
over the full temperature range. Precision resistors  
provide various input ranges including ±10 V and 0 V  
to 5 V, while the innovative design allows operation  
from a single +5-V supply with power dissipation  
under 100 mW.  
Uses Internal or External Reference  
70-mW Typ Power Dissipation at 250 KSPS  
20-Pin SO and 28-Pin SSOP Packages  
Simple DSP Interface  
The ADS8509 is available in 20-pin SO and 28-pin  
SSOP packages, both fully specified for operation  
over the industrial -40°C to 85°C temperature range.  
APPLICATIONS  
Industrial Process Control  
Data Acquisition Systems  
Digital Signal Processing  
Medical Equipment  
Instrumentation  
Successive Approximation Register  
Clock  
EXT/INT  
CDAC  
9.8 k  
R1  
R2  
IN  
BUSY  
4.9 kΩ  
2.5 kΩ  
Serial  
Data  
Out  
&
IN  
DATACLK  
DATA  
R/C  
10 kΩ  
R3  
IN  
Comparator  
Control  
CAP  
SB/BTC  
CS  
Internal  
+2.5 V Ref  
Buffer  
4 kΩ  
PWRD  
REF  
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.  
2
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 © 2004–2010, Texas Instruments Incorporated  

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