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LT1055 PDF预览

LT1055

更新时间: 2024-11-15 14:57:51
品牌 Logo 应用领域
亚德诺 - ADI 放大器运算放大器
页数 文件大小 规格书
20页 321K
描述
精准、高速、JFET 输入运算放大器

LT1055 数据手册

 浏览型号LT1055的Datasheet PDF文件第2页浏览型号LT1055的Datasheet PDF文件第3页浏览型号LT1055的Datasheet PDF文件第4页浏览型号LT1055的Datasheet PDF文件第5页浏览型号LT1055的Datasheet PDF文件第6页浏览型号LT1055的Datasheet PDF文件第7页 
LT1055/LT1056  
Precision, High Speed,  
JFET Input Operational Amplifiers  
FEATURES  
DESCRIPTION  
The LT®1055/LT1056 JFET input operational amplifiers  
combine precision specifications with high speed per-  
formance.  
n
Guaranteed Offset Voltage: 150µV Max  
–55°C to 125°C: 500µV Max  
n
Guaranteed Drift: 4µV/°C Max  
n
Guaranteed Bias Current  
For the first time, 16V/µs slew rate and 6.5MHz gain  
bandwidthproductaresimultaneouslyachievedwithoffset  
voltage of typically 50µV, 1.2µV/°C drift, bias currents of  
40pA at 70°C and 500pA at 125°C.  
70°C: 150pA Max  
125°C: 2.5nA Max  
n
Guaranteed Slew Rate: 12V/µs Min  
n
Available in 8-Pin PDIP and SO Packages  
The 150µV maximum offset voltage specification is the  
best available on any JFET input operational amplifier.  
APPLICATIONS  
TheLT1055andLT1056aredifferentiatedbytheiroperating  
currents. The lower power dissipation LT1055 achieves  
lower bias and offset currents and offset voltage. The ad-  
ditional power dissipation of the LT1056 permits higher  
slew rate, bandwidth and faster settling time with a slight  
sacrifice in DC performance.  
n
Precision, High Speed Instrumentation  
n
Logarithmic Amplifiers  
n
D/A Output Amplifiers  
Photodiode Amplifiers  
n
n
Voltage-to-Frequency Converters  
n
Frequency-to-Voltage Converters  
The voltage-to-frequency converter shown below is one  
of the many applications which utilize both the precision  
and high speed of the LT1055/LT1056.  
n
Fast, Precision Sample-and-Hold  
For a JFET input op amp with 23V/µs guaranteed slew  
rate, refer to the LT1022 data sheet.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Distribution of Input Offset Voltage  
1Hz to 10kHz Voltage-to-Frequency Converter  
(H Package)  
4.7k  
3M  
140  
120  
15V  
V
=
15V  
50% TO 60µV  
S
A
T
= 25°C  
0.001 (POLYSTYRENE)  
634 UNITS TESTED  
FROM THREE RUNS  
10kHz  
TRIM  
5k  
100  
OUTPUT  
15V  
2
75k  
1Hz TO 10kHz  
0.005%  
0V TO 10V  
INPUT  
7
80  
60  
40  
20  
1.5k  
6
LINEARITY  
LT1056  
0.1µF  
22k  
3
4
+
–15V  
33pF  
LM329  
3.3M  
0.1µF  
2N3906  
= 1N4148  
0
–200  
0
200  
400  
–400  
*1% FILM  
THE LOW OFFSET VOLTAGE OF LT1056  
CONTRIBUTES ONLY 0.1Hz OF ERROR  
WHILE ITS HIGH SLEW RATE PERMITS  
10kHz OPERATION.  
–15V  
INPUT OFFSET VOLTAGE (µV)  
LT1055/56 TA02  
LT1055/56 TA01  
10556fd  
1
For more information www.linear.com/LT1055  

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