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LIA120 Datasheet

  • LIA120

  • Optically Isolated Linear Error Amplifier

  • 9頁

  • IXYS   IXYS

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Optically Isolated Linear Error Amplifier
Features
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Optocoupler, precision reference and error
amplifier in single package
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Low voltage operation 2.7V
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1.240V 鹵 2.5% reference
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CTR Matching 15%
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>70dB THD
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70dB CMRR
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3,750V
rms
isolation
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UL approval pending
Description
The LIA120 Optically Isolated Reference Amplifier
combines Clare鈥檚 linear optical coupler technology
with an industry standard 431 type precision
programmable shunt regulator to provide very
linear high gain with excellent temperature stability
for a total gain error of less than 2dB. By using
optical feedback, the LIA120 essentially eliminates
temperature and gain variations due to current
transfer ratio (CTR) changes in optocouplers while
increasing the bandwidth up to 10X and easing
engineering design constraints.
The LIA120 is very well suited for high gain feedback
amplifiers that require excellent linearity and low
temperature variation such as isolated power
supply feedback stages, modem audio transformer
replacement, isolated industrial control signals, and
sensor feedback.
By using the LIA120, system designers can save
precious board space and reduce component count.
Available in an 8 pin surface mount package.
Ordering Information
Part #
LIA120S
LIA120STR
1
8 LED (Input)
LIA120
Applications
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Power supply feedback
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Telecom central office supply
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Telecom bricks
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Modem transformer replacement
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Digital telephone isolation
Block Diagram
Description
8 Pin Surface Mount (50/Tube)
Tape and Reel (1000/Reel)
NC
K
2
7 COMP
A
3
6 FB
NC
4
5 GND
DS-LIA120-R02.0
www.clare.com
1

LIA120 產(chǎn)品屬性

  • 50

  • 隔離器

  • 光隔離器 - 晶體管，光電輸出

  • -

  • 1

  • DC

  • 3750Vrms

  • 1% @ 5mA

  • 3% @ 5mA

  • -

  • -

  • 20mA

  • -

  • 光電型

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 管件

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