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LT1991ACDD#PBF

更新时间： 2024-11-05 08:28:27
品牌 Logo 应用领域
凌特 - Linear 放大器光电二极管
页数 文件大小 规格书
28页 758K
描述
LT1991 - Precision, 100µA Gain Selectable Amplifier; Package: DFN; Pins: 10; Temperature Range: 0°C to 70°C

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LT1991ACDD#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON, SOLCC10,.11,20
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：7.49放大器类型：OPERATIONAL AMPLIFIER
最大平均偏置电流 (IIB)：0.0075 µA标称共模抑制比：100 dB
最大输入失调电压：250 µVJESD-30 代码：S-PDSO-N10
JESD-609代码：e3长度：3 mm
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功能数量：1
端子数量：10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：HVSON封装等效代码：SOLCC10,.11,20
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：5/+-15 V
认证状态：Not Qualified座面最大高度：0.8 mm
标称压摆率：0.12 V/us子类别：Operational Amplifier
最大压摆率：0.21 mA供电电压上限：20 V
标称供电电压 (Vsup)：15 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
标称均一增益带宽：560 kHz宽度：3 mm
Base Number Matches：1

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LT1991  
Precision, 100µA  
Gain Selectable Amplifier  
FEATURES  
DESCRIPTION  
The LT®1991 combines a precision operational amplifier  
with eight precision resistors to form a one-chip solution  
for accurately amplifying voltages. Gains from –13 to 14  
with a gain accuracy of 0.04% can be achieved using no  
externalcomponents.Thedeviceisparticularlywellsuited  
for use as a difference amplifier, where the excellent resis-  
tor matching results in a common mode rejection ratio of  
greater than 75dB.  
n
Pin Configurable as a Difference Amplifier,  
Inverting and Noninverting Amplifier  
Difference Amplifier  
n
Gain Range 1 to 13  
CMRR >75dB  
n
Noninverting Amplifier  
Gain Range 0.07 to 14  
n
Inverting Amplifier  
Gain Range –0.08 to –13  
The amplifier features a 50µV maximum input offset volt-  
age and a gain bandwidth product of 560kHz. The device  
operates from any supply voltage from 2.7V to 36V and  
draws only 100µA supply current on a 5V supply. The  
output swings to within 40mV of either supply rail.  
n
Gain Error <0.04%  
Gain Drift < 3ppm/°C  
n
n
Wide Supply Range: Single 2.7V to Split 18V  
n
Micropower: 100µA Supply Current  
n
Precision: 50µV Maximum Input Offset Voltage  
The resistors have excellent matching, 0.04% over tem-  
peratureforthe450kresistors. Thematchingtemperature  
coefficient is guaranteed less than 3ppm/°C. The resis-  
tors are extremely linear with voltage, resulting in a gain  
nonlinearity of less than 10ppm.  
n
560kHz Gain Bandwidth Product  
Rail-to-Rail Output  
n
n
Space Saving 10-Lead MSOP and DFN Packages  
APPLICATIONS  
The LT1991 is fully specified at 5V and 15V supplies  
and from –40°C to 125°C. The device is available in space  
saving 10-lead MSOP and low profile (0.8mm) 3mm ×  
3mm DFN packages.  
n
Handheld Instrumentation  
n
Medical Instrumentation  
n
Strain Gauge Amplifiers  
Differential to Single-Ended Conversion  
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Rail-to-Rail Gain = 1 Difference Amplifier  
Distribution of Resistor Matching  
V
= V  
+ ∆V  
REF IN  
OUT  
5V  
40  
35  
30  
25  
20  
15  
10  
5
SWING 40mV TO  
EITHER RAIL  
450k RESISTORS  
LT1991A  
R
<0.1Ω  
OUT  
50k  
150k  
450k  
450k  
4pF  
–
+
V
M(IN)  
–
+
∆V  
IN  
450k  
150k  
50k  
V
LT1991  
P(IN)  
450k  
INPUT RANGE  
–0.5V TO 5.1V  
R
= 900kΩ  
IN  
0
4pF  
0
–0.04  
–0.02  
0.02  
0.04  
RESISTOR MATCHING (%)  
V
REF  
= 2.5V  
1991 TA01  
1991 TA01b  
1991fh  
1
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LT1991ACDD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
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