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ISL267817IBZ-T7A PDF预览

ISL267817IBZ-T7A

更新时间： 2024-11-23 18:53:59
品牌 Logo 应用领域
瑞萨 - RENESAS 光电二极管转换器
页数 文件大小 规格书
18页 925K
描述
ADC, Successive Approximation

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中文翻译

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ISL267817IBZ-T7A 技术参数

生命周期：Active包装说明：SOP,
Reach Compliance Code：compliant风险等级：2.02
最大模拟输入电压：2.5 V最小模拟输入电压：-0.1 V
最长转换时间：0.2666 µs转换器类型：ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：R-PDSO-G8长度：4.9 mm
最大线性误差 (EL)：0.0244%模拟输入通道数量：1
位数：12功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C输出位码：2'S COMPLEMENT BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE采样速率：0.2 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：1.75 mm
标称供电电压：5 V表面贴装：YES
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：3.9 mmBase Number Matches：1

ISL267817IBZ-T7A 数据手册

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DATASHEET  
ISL267817  
12-Bit Differential Input 200kSPS SAR ADC  
FN7877  
Rev 2.00  
April 19, 2012  
The ISL267817 is a 12-bit, 200kSPS sampling SAR-type ADC  
which features excellent linearity over supply and temperature  
variations, and provides a drop-in compatible alternative to all  
ADS7817 performance grades. The robust, fully-differential  
input offers high impedance to minimize errors due to leakage  
currents, and the specified measurement accuracy is  
Features  
• Drop-In Compatible with ADS7817 (All Performance Grades)  
• Differential Input  
• Simple SPI-compatible Serial Digital Interface  
• Guaranteed No Missing Codes  
maintained with input signals up to the supply rails.  
• 200kHz Sampling Rate  
The reference accepts inputs between 0.1V to 2.5V, providing  
design flexibility in a wide variety of applications. The  
ISL267817 also features up to 8kV Human Body Model ESD  
survivability.  
• +4.75V to +5.25V Supply  
• Low 2.15mW Operating Power (200kSPS)  
• Power-down Current between Conversions: 3µA  
• Excellent Differential Non-Linearity (1.0LSB max)  
• Low THD: -85dB (typ)  
The serial digital interface is SPI compatible and is easily  
interfaced to popular FPGAs and microcontrollers. Operating  
from a 5V supply, power dissipation is 2.15mW at a sampling  
rate of 200kSPS, and just 25µW between conversions utilizing  
the Auto Power-Down mode, making the ISL267817 an  
excellent solution for remote industrial sensors and  
battery-powered instruments. It is available in the compact,  
industry-standard 8 Lead SOIC and MSOP packages and is  
specified for operation over the industrial temperature range  
(-40°C to +85°C).  
• Pb-Free (RoHS Compliant)  
• Available in SOIC and MSOP Packages  
Applications  
• Remote Data Acquisition  
• Battery Operated Systems  
• Industrial Process Control  
• Energy Measurement  
• Data Acquisition Systems  
• Pressure Sensors  
• Flow Controllers  
1.00  
0.75  
0.50  
0.25  
0.00  
-0.25  
-0.50  
-0.75  
-1.00  
VREF  
+VCC  
+IN  
DCLOCK  
DOUT  
SAR  
LOGIC  
SERIAL  
INTERFACE  
–IN  
CS/SHDN  
VREF  
0
512 1024 1536 2048 2560 3072 3584 4096  
GND  
FIGURE 1. BLOCK DIAGRAM  
FIGURE 2. DIFFERENTIAL LINEARITY ERROR vs CODE  
FN7877 Rev 2.00  
April 19, 2012  
Page 1 of 18  
 
1234567...18

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