Datasheet 搜索 > 接口芯片 > TI（德州仪器） > XTR116UA/2K5 数据手册 > XTR116UA/2K5 用户编程技术手册 1/26 页
器件3D模型￥ 4.427
XTR116UA/2K5 用户编程技术手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
接口芯片
封装:
SOIC-8
描述:
精密电压电流转换器/变送器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
导航目录
XTR116UA/2K5数据手册
Page:
of 26 Go
若手册格式错乱，请下载阅览PDF原文件
4-20mA, TWO-WIRE TRANSMITTER
“Smart” Programmable with Signal Conditioning
FEATURES
● COMPLETE TRANSMITTER + RTD
LINEARIZATION
● TWO-WIRE, 4-20mA OUTPUT
● VOLTAGE OUTPUT (0.5V to 4.5V)
● ELIMINATES POTENTIOMETERS AND
TRIMMING
● DIGITALLY CALIBRATED
● 5V SUB-REGULATOR OUTPUT
● SERIAL SPI
BUS INTERFACE
● SSOP-24 PACKAGE
SPI is a registered trademark of Motorola.
APPLICATIONS
● REMOTE RTD TRANSMITTERS
● PRESSURE BRIDGE TRANSMITTERS
● STRAIN GAGE TRANSMITTERS
● SCADA REMOTE DATA ACQUISITION
● WEIGHING SYSTEMS
● INDUSTRIAL PROCESS CONTROL
DESCRIPTION
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.
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.
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.
SBOS187A – OCTOBER 2001
XTR108
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 2001, Texas Instruments Incorporated
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.
XTR108
SPI and
Control Circuits
4-20mA
EEPROM
Linearization
Excitation
I
O
I
Ret
Multiplexer
Gain and Offset
SDIO
SCLK
CS2
CS1
V/I-0
V/I-1
V/I-2
V/I-3
V/I-4
V/I-5
RTD
R
1
R
2
R
3
R
4
R
5
PGA V/I
V
PS
R
LOAD
XTR108
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
