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OPA445

更新时间： 2024-09-24 04:35:43
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德州仪器 - TI 运算放大器
页数 文件大小 规格书
36页 1139K
描述
High-Voltage (100V), High-Current (50mA) OPERATIONAL AMPLIFIERS, G = 1 Stable

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OPA445 数据手册

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SBOS391–DECEMBER 2007  
High-Voltage (100V), High-Current (50mA)  
OPERATIONAL AMPLIFIERS, G = 1 Stable  
1
FEATURES  
DESCRIPTION  
23  
•
WIDE POWER-SUPPLY RANGE:  
±5V (10V) to ±50V (100V)  
The OPA454 is a low-cost operational amplifier with  
high voltage (100V) and relatively high current drive  
(25mA). It is unity-gain stable and has  
gain-bandwidth product of 2.5MHz.  
a
•
•
•
HIGH OUTPUT LOAD DRIVE: IO > ±50mA  
WIDE OUTPUT VOLTAGE SWING: 1V to Rails  
The OPA454 is internally protected against  
over-temperature conditions and current overloads. It  
is fully specified to perform over a wide power-supply  
range of ±5V to ±50V or on a single supply of 10V to  
100V. The status flag is an open-drain output that  
allows it to be easily referenced to standard  
low-voltage logic circuitry. This high-voltage op amp  
provides excellent accuracy, wide output swing, and  
is free from phase inversion problems that are often  
found in similar amplifiers.  
INDEPENDENT OUTPUT DISABLE OR  
SHUTDOWN  
•
•
WIDE TEMPERATURE RANGE: –40°C to +85°C  
PACKAGES: SO and HSOP PowerPAD™  
APPLICATIONS  
•
•
TEST EQUIPMENT  
AVALANCHE PHOTODIODE:  
High-V Current Sense  
The output can be independently disabled using the  
Enable/Disable Pin that has its own common return  
pin to allow easy interface to low-voltage logic  
circuitry. This disable is accomplished without  
disturbing the input signal path, not only saving power  
but also protecting the load.  
•
•
•
•
•
PIEZOELECTRIC CELLS  
TRANSDUCER DRIVERS  
SERVO DRIVERS  
AUDIO AMPLIFIERS  
HIGH-VOLTAGE COMPLIANCE CURRENT  
SOURCES  
Featured in a small exposed metal pad package, the  
OPA454 is easy to heatsink over the extended  
industrial temperature range, –40°C to +85°C.  
•
GENERAL HIGH-VOLTAGE  
REGULATORS/POWER  
Status  
Flag  
Table 1. OPA454 RELATED PRODUCTS  
V+  
PRODUCT  
DESCRIPTION  
80V, 15mA  
80V, 50mA  
60V, 750mA  
60V, 3A  
(1)  
Enable/Disable (E/D)  
OPA445  
-IN  
OPA452  
OPA547  
OPA548  
OPA549  
OPA551  
OPA567  
OPA569  
VO  
OPA454  
+IN  
Enable/Disable Common  
(E/D Com)  
60V, 9A  
V-  
60V, 200mA  
5V, 2A  
5V, 2.4A  
(1) The OPA445 is pin-compatible with the OPA445, except in  
applications using the offset trim, and NC pins other than  
open.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
PowerPAD is a trademark of Texas Instruments, Inc.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007, Texas Instruments Incorporated  
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OPA445 替代型号

型号 品牌 替代类型 描述 数据表
OPA552 TI

功能相似

 High-Voltage, High-Current OPERATIONAL AMPLIFIERS
OPA454 TI

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 High-Voltage (100V), High-Current (50mA) OPERATIONAL AMPLIFIERS, G = 1 Stable
OPA551 TI

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 High-Voltage (100V), High-Current (50mA) OPERATIONAL AMPLIFIERS, G = 1 Stable

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