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INA115 PDF预览

INA115

更新时间: 2024-11-04 02:58:47
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
16页 736K
描述
Precision INSTRUMENTATION AMPLIFIER

INA115 数据手册

 浏览型号INA115的Datasheet PDF文件第2页浏览型号INA115的Datasheet PDF文件第3页浏览型号INA115的Datasheet PDF文件第4页浏览型号INA115的Datasheet PDF文件第5页浏览型号INA115的Datasheet PDF文件第6页浏览型号INA115的Datasheet PDF文件第7页 
®
INA115  
INA115  
Precision  
INSTRUMENTATION AMPLIFIER  
FEATURES  
DESCRIPTION  
LOW OFFSET VOLTAGE: 50µV max  
The INA115 is a low cost, general purpose instrumen-  
tation amplifier offering excellent accuracy. Its versa-  
tile three-op amp design and small size make it ideal  
for a wide range of applications. Similar to the model  
INA114, the INA115 provides additional connections  
to the input op amps, A1 and A2, which improve gain  
accuracy in high gains and are useful in forming  
switched-gain amplifiers.  
LOW DRIFT: 0.25µV/°C max  
LOW INPUT BIAS CURRENT: 2nA max  
HIGH COMMON-MODE REJECTION:  
115dB min  
INPUT OVER-VOLTAGE PROTECTION:  
±40V  
WIDE SUPPLY RANGE: ±2.25 TO ±18V  
LOW QUIESCENT CURRENT: 3mA max  
SOL-16 SURFACE-MOUNT PACKAGE  
A single external resistor sets any gain from 1 to  
10,000. Internal input protection can withstand up to  
±40V without damage.  
The INA115 is laser trimmed for very low offset  
voltage (50µV), drift (0.25µV/˚C) and high common-  
mode rejection (115dB at G=1000). It operates with  
power supplies as low as ±2.25V, allowing use in  
battery operated and single 5V supply systems. Quies-  
cent current is 3mA maximum.  
APPLICATIONS  
SWITCHED-GAIN AMPLIFIER  
BRIDGE AMPLIFIER  
THERMOCOUPLE AMPLIFIER  
RTD SENSOR AMPLIFIER  
MEDICAL INSTRUMENTATION  
DATA ACQUISITION  
The INA115 is available in the SOL-16 surface-mount  
package, specified for the –40°C to +85°C tempera-  
ture range.  
VO1  
1
V+  
13  
VIN  
INA115  
4
Over-Voltage  
Protection  
Feedback  
A1  
2
3
12  
25k  
25kΩ  
25kΩ  
25kΩ  
A3  
VO  
RG  
11  
10  
14  
15  
50kΩ  
RG  
G = 1 +  
A2  
Ref  
+
VIN  
5
Over-Voltage  
Protection  
25kΩ  
25kΩ  
8
7
VO2  
V–  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
FAXLine: (800) 548-6133 (US/Canada Only)  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
Tel: (520) 746-1111  
Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
©1992 Burr-Brown Corporation  
PDS-1169B  
Printed in U.S.A. October, 1993  
SBOS021  

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