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LT1168IN8

更新时间： 2024-11-12 22:19:59
品牌 Logo 应用领域
凌特 - Linear 仪表放大器
页数 文件大小 规格书
20页 302K
描述
Low Power, Single Resistor Gain Programmable, Micropower Precision Instrumentation Amplifier

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中文翻译

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LT1168IN8 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.05放大器类型：INSTRUMENTATION AMPLIFIER
最大平均偏置电流 (IIB)：0.0008 µA标称带宽 (3dB)：0.4 MHz
最小共模抑制比：81 dB最大输入失调电流 (IIO)：0.0007 µA
最大输入失调电压：100 µVJESD-30 代码：R-PDIP-T8
JESD-609代码：e0湿度敏感等级：1
负供电电压上限：-20 V标称负供电电压 (Vsup)：-15 V
最大非线性：0.01%功能数量：1
端子数量：8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：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：+-15 V
认证状态：Not Qualified座面最大高度：3.937 mm
标称压摆率：0.42 V/us子类别：Instrumentation Amplifier
最大压摆率：0.65 mA供电电压上限：20 V
标称供电电压 (Vsup)：15 V表面贴装：NO
技术：BIPOLAR温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 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：10000
最小电压增益：1标称电压增益：10
宽度：7.62 mmBase Number Matches：1

LT1168IN8 数据手册

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LT1168  
Low Power, Single  
Resistor Gain Programmable,  
Precision Instrumentation Amplifier  
U
FEATURES  
DESCRIPTIO  
TheLT®1168isamicropower,precisioninstrumentationam-  
■
Supply Current: 530µA Max  
■
Meets IEC 1000-4-2 Level 4 (±15kV) ESD Tests  
with Two External 5k Resistors  
Single Gain Set Resistor: G = 1 to 10,000  
Gain Error: G = 10, 0.4% Max  
Input Offset Voltage Drift: 0.3µV/°C Max  
Gain Nonlinearity: G = 10, 20ppm Max  
Input Offset Voltage: 40µV Max  
Input Bias Current: 250pA Max  
PSRR at AV =1: 103dB Min  
plifier that requires only one external resistor to set gains of  
1 to 10,000. The low voltage noise of 10nV/√Hz (at 1kHz) is  
notcompromisedbylowpowerdissipation(350µAtypicalfor  
±15Vsupplies).Thewidesupplyrangeof±2.3Vto±18Vallows  
the LT1168 to fit into a wide variety of industrial as well as  
battery-powered applications.  
■
■
■
■
■
■
■
■
■
■
■
■
ThehighaccuracyoftheLT1168isduetoa20ppmmaximum  
nonlinearityand0.4%maxgainerror(G=10).Previousmono-  
lithic instrumentation amps cannot handle a 2k load resistor  
whereas the nonlinearity of the LT1168 is specified for loads  
as low as 2k. The LT1168 is laser trimmed for very low input  
offsetvoltage(40µVmax),drift(0.3µV/°C),highCMRR(90dB,  
G = 1) and PSRR (103dB, G = 1). Low input bias currents of  
250pA max are achieved with the use of superbeta process-  
ing. The output can handle capacitive loads up to 1000pF in  
any gain configuration while the inputs are ESD protected up  
to 13kV (human body). The LT1168 with two external 5k  
resistors passes the IEC 1000-4-2 level 4 specification.  
CMRR at AV = 1: 90dB Min  
Wide Supply Range: ±2.3V to ±18V  
1kHz Voltage Noise: 10nV/√Hz  
0.1Hz to 10Hz Noise: 0.28µVP-P  
Available in 8-Pin PDIP and SO Packages  
U
APPLICATIO S  
■
Bridge Amplifiers  
■
Strain Gauge Amplifiers  
■
Thermocouple Amplifiers  
Differential to Single-Ended Converters  
TheLT1168isapin-for-pinimprovedsecondsourceforthe  
AD620andINA118.TheLT1168,offeredin8-pinPDIPand  
SOpackages,requiressignificantlylessPCboardareathan  
discrete op amp resistor designs. These advantages make  
the LT1168 the most cost effective solution for precision  
instrumentation amplifier applications.  
■
■
Differential Voltage to Current Converters  
■
Data Acquisition  
■
Battery-Powered and Portable Equipment  
■
Medical Instrumentation  
Scales  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Single Supply* Pressure Monitor  
Gain Nonlinearity  
BI TECHNOLOGIES  
67-8-3 R40KQ, (0.02% RATIO MATCH)  
5V  
1
3
8
40k  
+
–
7
3.5k  
3.5k  
3.5k  
3.5k  
REF  
IN  
R1  
G = 200  
249Ω  
6
LT1168  
4
DIGITAL  
ADC  
20k  
DATA  
LTC®1286  
1
2
5
OUTPUT  
3
+
1
1/2  
AGND  
40k  
LT1112  
2
–
G = 1000  
= 2k  
OUT  
OUTPUT VOLTAGE (2V/DIV)  
1168 TA01a  
R
L
1168 TA01  
V
= ±10V  
*See Theory of Operation section  
1
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