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XTR108

更新时间： 2024-01-12 11:39:14
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页数 文件大小 规格书
27页 496K
描述
4-20mA, TWO-WIRE TRANSMITTER Smart Programmable with Signal Conditioning

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XTR108 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SSOP
包装说明：SSOP,针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：1 week
风险等级：1.32Samacsys Description：4-20mA, Two-Wire Transmitter 'Smart' Programmable with Signal Conditioning
放大器类型：INSTRUMENTATION AMPLIFIER最大输入失调电压：50 µV
JESD-30 代码：R-PDSO-G24JESD-609代码：e4
长度：8.65 mm湿度敏感等级：3
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
包装方法：TUBE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Instrumentation Amplifier供电电压上限：5.5 V
标称供电电压 (Vsup)：5.1 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
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最大电压增益：400
最小电压增益：6.25标称电压增益：12.5
宽度：3.9 mm

XTR108 数据手册

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XTR108  
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SBOS187B – OCTOBER 2001 – JUNE 2004  
4-20mA, TWO-WIRE TRANSMITTER  
“Smart” Programmable with Signal Conditioning  
FEATURES  
DESCRIPTION  
● COMPLETE TRANSMITTER + RTD  
The XTR108 is a “smart”, programmable, 4-20mA, two-  
wire transmitter designed for temperature and bridge sen-  
sors. Zero, span, and linearization errors in the analog  
signal path can be calibrated via a standard digital serial  
interface, eliminating manual trimming. Non-volatile ex-  
ternal EEPROM stores calibration settings.  
LINEARIZATION  
● TWO-WIRE, 4-20mA OUTPUT  
● VOLTAGE OUTPUT (0.5V to 4.5V)  
● ELIMINATES POTENTIOMETERS AND  
TRIMMING  
The all-analog signal path contains an input multiplexer,  
autozeroed programmable-gain instrumentation amplifier,  
dual programmable current sources, linearization circuit,  
voltage reference, sub-regulator, internal oscillator, control  
logic, and an output current amplifier. Programmable level  
shifting compensates for sensor DC offsets. Selectable  
up- and down-scale output indicates out-of-range and burn-  
out per NAMUR NE43. Automatic reset is initiated when  
supply is lost.  
● DIGITALLY CALIBRATED  
● 5V SUB-REGULATOR OUTPUT  
● SERIAL SPI BUS INTERFACE  
● SSOP-24 PACKAGE  
SPI is a registered trademark of Motorola.  
APPLICATIONS  
Current sources, steered through the multiplexer, can be  
used to directly excite RTD temperature sensors, pressure  
bridges, or other transducers. An uncommitted op amp can  
be used to convert current into a voltage. The XTR108 is  
specified for –40°C to +85°C.  
● REMOTE RTD TRANSMITTERS  
● PRESSURE BRIDGE TRANSMITTERS  
● STRAIN GAGE TRANSMITTERS  
● SCADA REMOTE DATA ACQUISITION  
● WEIGHING SYSTEMS  
● INDUSTRIAL PROCESS CONTROL  
EEPROM  
SPI and  
Control Circuits  
Excitation  
VPS  
V/I-0  
V/I-1  
V/I-2  
Linearization  
4-20mA  
IO  
PGA  
V/I  
V/I-3  
V/I-4  
V/I-5  
RLOAD  
XTR108  
R1 R2 R3 R4 R5  
IRet  
RTD  
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.  
Copyright © 2001-2004, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  
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