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MAX31865ATP+ PDF预览

MAX31865ATP+

更新时间: 2024-09-15 13:10:27
品牌 Logo 应用领域
美信 - MAXIM 转换器
页数 文件大小 规格书
25页 1588K
描述
Analog Circuit, 1 Func, ROHS COMPLIANT, TQFN-20

MAX31865ATP+ 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HVQCCN, LCC20,.20SQ,25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:0.66模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:S-XQCC-N20JESD-609代码:e3
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:20
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC20,.20SQ,25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):NOT SPECIFIED
电源:3.3 V认证状态:Not Qualified
座面最大高度:0.8 mm子类别:Other Analog ICs
最大供电电流 (Isup):3.5 mA最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5 mm
Base Number Matches:1

MAX31865ATP+ 数据手册

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EVALUATION KIT AVAILABLE  
MAX31865  
RTD-to-Digital Converter  
Features  
General Description  
The MAX31865 is an easy-to-use resistance-to-digital  
converter optimized for platinum resistance temperature  
detectors (RTDs). An external resistor sets the sensitivity  
for the RTD being used and a precision delta-sigma ADC  
converts the ratio of the RTD resistance to the reference  
resistance into digital form. The MAX31865’s inputs are  
protected against overvoltage faults as large as Q50V.  
Programmable detection of RTD and cable open and  
short conditions is included.  
S Simple Conversion of Platinum RTD Resistance to  
Digital Value  
S Handles 100to 1k(at 0°C) Platinum RTDs  
(PT100 to PT1000)  
S Compatible with 2-, 3-, and 4-wire Sensor Connections  
S Conversion Time: 21ms max  
S 15-Bit ADC Resolution; Nominal Temperature  
Resolution 0.03125NC (Varies Due to RTD  
Nonlinearity)  
Applications  
S Total Accuracy Over All Operating Conditions:  
0.5NC (0.05% of Full Scale) max  
Industrial Equipment  
Medical Equipment  
Instrumentation  
S
50V ꢀnput Protection  
S Fully Differential V  
ꢀnputs  
REF  
S Fault Detection (Open RTD Element, RTD Shorted to  
Ordering Information appears at end of data sheet.  
Out-of-Range Voltage, or Short Across RTD Element)  
S SPꢀ-Compatible ꢀnterface  
S 20-Pin TQFN Package  
For related parts and recommended products to use with this part,  
refer to www.maximintegrated.com/MAX31865.related.  
Typical Application Circuits  
4-WIRE SENSOR CONNECTION  
V
V
DD  
DD  
0.1µF  
0.1µF  
BIAS  
R
REFIN+  
REF  
DRDY  
SDI  
REFIN-  
ISENSOR  
R
R
CABLE  
MAX31865  
HOST  
SCLK  
CS  
FORCE+  
FORCE2  
INTERFACE  
CABLE  
SDO  
N.C.  
RTDIN+  
C *  
I
RTD  
R
CABLE  
CABLE  
RTDIN-  
FORCE-  
*C = 10nF FOR 1kRTD  
I
R
100nF FOR 100RTD  
Typical Application Circuits continued at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-6478; Rev 0; 10/12  

MAX31865ATP+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX31865ATP+T MAXIM

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