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器件3D模型￥ 61.917
OPA445AU 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
运算放大器
封装:
SOIC-8
描述:
TEXAS INSTRUMENTS OPA445AU.. 单FET运算放大器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
典型应用电路图在P13
封装尺寸在P14P16P17
焊盘布局在P12
标记信息在P14P15
封装信息在P14P15P16P17
技术参数、封装参数在P3
应用领域在P1P8P11P13P25
电气规格在P3
导航目录
OPA445AU数据手册
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of 25 Go
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FEATURES
D WIDE-POWER SUPPLY RANGE:
±10V to ±45V
D HIGH SLEW RATE: 15V/µs
D LOW INPUT BIAS CURRENT: 10pA
D STANDARD-PINOUT TO-99, DIP, SO-8
PowerPAD, AND SO-8 SURFACE-MOUNT
PACKAGES
APPLICATIONS
D TEST EQUIPMENT
D HIGH-VOLTAGE REGULATORS
D POWER AMPLIFIERS
D DATA ACQUISITION
D SIGNAL CONDITIONING
D AUDIO
D PIEZO DRIVERS
DESCRIPTION
The OPA445 is a monolithic operational amplifier capable
of operation from power supplies up to ±45V and output
currents of 15mA. It is useful in a wide variety of
applications requiring high output voltage or large
common-mode voltage swings.
The OPA445’s high slew rate provides wide power-
bandwidth response, which is often required for
high-voltage applications. FET input circuitry allows the
use of high-impedance feedback networks, thus minimiz-
ing their output loading effects. Laser trimming of the input
circuitry yields low input offset voltage and drift.
The OPA445 is available in standard pinout TO-99, DIP-8,
and SO-8 surface-mount packages as well as an SO-8
PowerPAD package for reducing junction temperature. It
is fully specified from −25°C to +85°C and operates from
−55°C to +125°C. A SPICE macromodel is available for
design analysis (from www.ti.com).
8
1
2
7
6
5
3
4
Offset
Trim
Offset
Trim
Output
V+
NC
−
In
+In
V
−
Case is connected to V
−
TO−99
OPA445
1
2
3
45
6
7
8
Offset Trim
V+
−
In
+In
V
−
Output
Offset Trim
NC
DIP−8, SO−8, SO−8 PowerPAD
OPA445
NC = No internal connection;
leave NC floating or connect to GND, V+, or V−.
OPA445
SBOS156B − MARCH 1987 − REVISED APRIL 2008
High Voltage FET-Input
OPERATIONAL AMPLIFIER
! !
www.ti.com
Copyright 1987−2008, Texas Instruments Incorporated
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.
PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.
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