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OPA378AIDCKR

更新时间： 2024-11-04 05:58:23
品牌 Logo 应用领域
德州仪器 - TI 运算放大器
页数 文件大小 规格书
24页 959K
描述
Low-Noise, 900kHz, RRIO, Precision OPERATIONAL AMPLIFIER Zerø-Drift Series

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OPA378AIDCKR 数据手册

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OPA378  
OPA2378  
www.ti.com ..................................................................................................................................................... SBOS417C–JANUARY 2008–REVISED JUNE 2009  
Low-Noise, 900kHz, RRIO,  
Precision OPERATIONAL AMPLIFIER  
Zerø-Drift Series  
1
FEATURES  
DESCRIPTION  
23  
•
LOW NOISE  
The OPA378 and OPA2378 represent  
a new  
generation of Zerø-Drift, microPOWER™ operational  
amplifiers that use a proprietary auto-calibration  
technique to provide minimal input offset voltage  
(50µV max) and offset voltage drift (0.25µV/°C max).  
The combination of low input voltage noise, high gain  
bandwidth (900kHz), and low power (150µA max)  
enable these devices to achieve optimum  
performance for low-power precision applications. In  
addition, the excellent PSRR performance, coupled  
with a wide input supply range of 2.2V to 5.5V and  
rail-to-rail input and output, makes it an outstanding  
choice for single-supply applications that run directly  
from batteries without regulation.  
–
–
0.4µVPP, 0.1Hz to 10Hz  
20nV/√Hz at 1kHz  
•
ZERØ-DRIFT SERIES  
–
–
LOW OFFSET VOLTAGE: 20µV  
LOW OFFSET DRIFT: 0.1µV/°C  
•
•
•
•
•
•
QUIESCENT CURRENT: 125µA  
GAIN BANDWIDTH: 900kHz  
RAIL-TO-RAIL INPUT/OUTPUT  
EMI FILTERING  
SUPPLY VOLTAGE: 2.2V to 5.5V  
microSIZE PACKAGES: SC70 and SOT23  
The OPA378 (single version) is available in both a  
microSIZE SC70-5 and a SOT23-5 package. The  
OPA2378 (dual version) is offered in a SOT23-8  
package. All versions are specified for operation from  
–40°C to +125°C.  
APPLICATIONS  
•
PORTABLE MEDICAL DEVICES  
–
–
–
GLUCOSE METERS  
OXYGEN METERING  
HEART RATE MONITORS  
•
•
•
•
•
WEIGH SCALES  
BATTERY-POWERED INSTRUMENTS  
THERMOPILE MODULES  
HANDHELD TEST EQUIPMENT  
SENSOR SIGNAL CONDITIONING  
NOISE SPECTRAL DENSITY vs FREQUENCY  
0.1Hz TO 10Hz NOISE  
1k  
Continues with No 1/f (flicker) Noise  
Current Noise  
100  
Voltage Noise  
10  
1
Time (1s/div)  
1
10  
100  
1k  
10k  
Frequency (Hz)  
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
3
microPOWER is a trademark of Texas Instruments Incorporated.  
All other trademarks are the property of their respective owners.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information 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 © 2008–2009, Texas Instruments Incorporated  
1234567...24

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OPA378AIDCKR 替代型号

型号 品牌 替代类型 描述 数据表
OPA378AIDCKT TI

类似代替

 Low-Noise, 900kHz, RRIO, Precision OPERATIONA
TLC2272AIDR TI

功能相似

 Advanced LinCMOSTM RAIL-TO-RAIL OPERATIONAL AMPLIFIERS

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