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INA125U

更新时间: 2024-11-02 22:48:07
品牌 Logo 应用领域
BB 仪表放大器放大器电路光电二极管
页数 文件大小 规格书
13页 275K
描述
INSTRUMENTATION AMPLIFIER With Precision Voltage Reference

INA125U 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.75
放大器类型:INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB):0.025 µA
标称带宽 (3dB):0.15 MHz最小共模抑制比:78 dB
最大输入失调电流 (IIO):0.0025 µA最大输入失调电压:250 µV
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
负供电电压上限:-18 V标称负供电电压 (Vsup):-15 V
功能数量:1端子数量:16
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:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:2.7/36/+-1.3/+-18 V
认证状态:Not Qualified标称压摆率:0.2 V/us
子类别:Instrumentation Amplifier最大压摆率:0.525 mA
供电电压上限:18 V标称供电电压 (Vsup):15 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
最小电压增益:4标称电压增益:10000
Base Number Matches:1

INA125U 数据手册

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INA125  
®
INA125  
INA125  
INSTRUMENTATION AMPLIFIER  
With Precision Voltage Reference  
FEATURES  
APPLICATIONS  
LOW QUIESCENT CURRENT: 460µA  
PRESSURE AND TEMPERATURE BRIDGE  
AMPLIFIERS  
PRECISION VOLTAGE REFERENCE:  
1.24V, 2.5V, 5V or 10V  
INDUSTRIAL PROCESS CONTROL  
FACTORY AUTOMATION  
SLEEP MODE  
LOW OFFSET VOLTAGE: 250µV max  
LOW OFFSET DRIFT: 2µV/°C max  
LOW INPUT BIAS CURRENT: 20nA max  
HIGH CMR: 100dB min  
MULTI-CHANNEL DATA ACQUISITION  
BATTERY OPERATED SYSTEMS  
GENERAL PURPOSE INSTRUMENTATION  
SLEEP  
2
V+  
LOW NOISE: 38nV/Hz at f = 1kHz  
INPUT PROTECTION TO ±40V  
1
INA125  
V
REFCOM  
12  
13  
14  
WIDE SUPPLY RANGE  
Single Supply: 2.7V to 36V  
Dual Supply: ±1.35V to ±18V  
R
V
REFBG  
16-PIN DIP AND SO-16 SOIC PACKAGES  
R
VREF2.5  
2R  
DESCRIPTION  
15  
VREF  
5
The INA125 is a low power, high accuracy instrumen-  
tation amplifier with a precision voltage reference. It  
provides complete bridge excitation and precision dif-  
ferential-input amplification on a single integrated  
circuit.  
4R  
VREF10 16  
4
Ref  
Amp  
Bandgap  
VREF  
VREFOut  
10V  
A single external resistor sets any gain from 4 to  
10,000. The INA125 is laser-trimmed for low offset  
voltage (250µV), low offset drift (2µV/°C), and high  
common-mode rejection (100dB at G = 100). It oper-  
ates on single (+2.7V to +36V) or dual (±1.35V to  
±18V) supplies.  
+
VIN  
10  
6
9
A1  
VO  
30kΩ  
11  
Sense  
10kΩ  
RG  
The voltage reference is externally adjustable with pin-  
selectable voltages of 2.5V, 5V, or 10V, allowing use  
with a variety of transducers. The reference voltage is  
accurate to ±0.5% (max) with ±35ppm/°C drift (max).  
Sleep mode allows shutdown and duty cycle operation  
to save power.  
10kΩ  
+
VO = (VIN – VIN) G  
8
7
G = 4 + 60kΩ  
RG  
A2  
VIN  
30kΩ  
IAREF  
5
The INA125 is available in 16-pin plastic DIP and  
SO-16 surface-mount packages and is specified for  
the –40°C to +85°C industrial temperature range.  
3
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  
©1997 Burr-Brown Corporation  
PDS-1361B  
Printed in U.S.A., February, 1998  

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