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LM7121IN Datasheet

  • LM7121IN

  • IC-200MHZ FEEDBACK AMP

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LM7121 235 MHz Tiny Low Power Voltage Feedback Amplifier
February 1996
LM7121
235 MHz Tiny Low Power Voltage Feedback Amplifier
General Description
The LM7121 is a high performance operational amplifier
which addresses the increasing AC performance needs of
video and imaging applications and the size and power
constraints of portable applications
The LM7121 can operate over a wide dynamic range of
supply voltages from 5V (single supply) up to
g
15V (see
the Application Information section for more details) It of-
fers an excellent speed-power product delivering 1300V
ms
and 235 MHz Bandwidth (
b
3 dB A
V
e a
1) Another key
feature of this operational amplifier is stability while driving
unlimited capacitive loads
Due to its Tiny SOT23-5 package the LM7121 is ideal for
designs where space and weight are the critical parameters
The benefits of the Tiny package are evident in small porta-
ble electronic devices such as cameras and PC video
cards Tiny amplifiers are so small that they can be placed
anywhere on a board close to the signal source or near the
input to an A D converter
Features
(Typical unless otherwise noted) V
S
e
g
15V
Y
Easy to use voltage feedback topology
Y
Stable with unlimited capacitive loads
Y
Tiny SOT23-5 package
typical circuit layout takes half
the space of SO-8 designs
Y
Unity gain frequency
175 MHz
Y
Bandwidth (
b
3 dB A
e a
1 R
L
e
100X) 235 MHz
V
Y
Slew rate
1300V
ms
Y
Supply Voltages DIP SO-8
5V to
g
15V
SOT23-5
5V to
g
5V
Y
Characterized for
a
5V
g
5V
g
15V
Y
Low supply current
5 3 mA
Applications
Y
Y
Y
Y
Y
Y
Scanners color fax digital copiers
PC video cards
Cable drivers
Digital cameras
ADC DAC buffers
Set-top boxes
Connection Diagram
8-Pin DIP SO-8
5-Pin SOT23
TL H 12348 鈥?2
TL H 12348 鈥?1
Top View
Top View
Ordering Information
Package
8-Pin Molded DIP
8-Pin SO-8
Ordering Information
LM7121IN
LM7121IM
LM7121IMX
5-Pin SOT23-5
LM7121IM5X
NSC Drawing
Number
N08E
M08A
M08A
MA05A
Package
Marking
LM7121IN
LM7121IM
LM7121IM
A03A
Supplied As
Rails
Rails
2 5k Tape and Reel
3k Tape and Reel
C
1996 National Semiconductor Corporation
TL H 12348
RRD-B30M66 Printed in U S A
http
www national com

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