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EL2045CS Schematic ( PDF Datasheet ) - Elantec

Teilenummer EL2045CS
Beschreibung Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier
Hersteller Elantec
Logo Elantec Logo 




Gesamt 12 Seiten
EL2045CS Datasheet, Funktion
EL2045C
Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier
Features
 100 MHz gain-bandwidth
product
 Gain-of-2 stable
 Low supply current
e 5 2 mA at VS e g15V
 Wide supply range
e g2V to g18V dual-supply
e 2 5V to 36V single-supply
 High slew rate e 275 V ms
 Fast settling e 80 ns to 0 1% for
a 10V step
 Low differential gain e 0 02% at
AV e a2 RL e 150X
 Low differential phase e 0 07 at
AV e a2 RL e 150X
 Stable with unlimited capacitive
load
 Wide output voltage swing
e g13 6V with VS e g15V
RL e 1000X
e 3 8V 0 3V with VS e a5V
RL e 500X
Applications
 Video amplifier
 Single-supply amplifier
 Active filters integrators
 High-speed sample-and-hold
 High-speed signal processing
 ADC DAC buffer
 Pulse RF amplifier
 Pin diode receiver
 Log amplifier
 Photo multiplier amplifier
 Difference amplifier
Ordering Information
Part No Temp Range Package Outline
EL2045CN 0 C to a75 C 8-Pin P-DIP MDP0031
EL2045CS 0 C to a75 C 8-Lead SO MDP0027
General Description
The EL2045C is a high speed low power low cost monolithic
operational amplifier built on Elantec’s proprietary comple-
mentary bipolar process The EL2045C is gain-of-2 stable and
features a 275 V ms slew rate and 100 MHz gain-bandwidth
product while requiring only 5 2 mA of supply current
The power supply operating range of the EL2045C is from
g18V down to as little as g2V For single-supply operation
the EL2045C operates from 36V down to as little as 2 5V The
excellent power supply operating range of the EL2045C makes
it an obvious choice for applications on a single a5V or a3V
supply
The EL2045C also features an extremely wide output voltage
swing of g13 6V with VS e g15V and RL e 1000X At g5V
output voltage swing is a wide g3 8V with RL e 500X and
g3 2V with RL e 150X Furthermore for single-supply opera-
tion at a5V output voltage swing is an excellent 0 3V to 3 8V
with RL e 500X
At a gain of a2 the EL2045C has a b3 dB bandwidth of
100 MHz with a phase margin of 50 It can drive unlimited
load capacitance and because of its conventional voltage-feed-
back topology the EL2045C allows the use of reactive or non-
linear elements in its feedback network This versatility com-
bined with low cost and 75 mA of output-current drive makes
the EL2045C an ideal choice for price-sensitive applications re-
quiring low power and high speed
Connection Diagram
DIP and SO Package
2045 – 1
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1992 Elantec Inc






EL2045CS Datasheet, Funktion
EL2045C
Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier
Typical Performance Curves
(TA e 25 C Rf e 1 kX Cf e 3 pF RL e 1000X AV e a2 unless otherwise specified)
Gain-Bandwidth Product
vs Supply Voltage
Open-Loop Gain
vs Supply Voltage
Contd
Slew-Rate vs
Supply Voltage
Bias and Offset Current
vs Input Common-Mode Voltage
Open-Loop Gain
vs Load Resistance
Voltage Swing
vs Load Resistance
Offset Voltage
vs Temperature
Bias and Offset
Current vs Temperature
Supply Current
vs Temperature
Gain-Bandwidth Product
vs Temperature
Open-Loop Gain PSRR
and CMRR vs Temperature
Slew Rate vs
Temperature
2045 – 4
6

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EL2045CS pdf, datenblatt
EL2045C
Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier
EL2045C Macromodel Contd
EL2045C Model
2045 – 11
General Disclaimer
Specifications contained in this data sheet are in effect as of the publication date shown Elantec Inc reserves the right to make changes
in the circuitry or specifications contained herein at any time without notice Elantec Inc assumes no responsibility for the use of any
circuits described herein and makes no representations that they are free from patent infringement
Elantec Inc
1996 Tarob Court
Milpitas CA 95035
Telephone (408) 945-1323
(800) 333-6314
Fax (408) 945-9305
European Office 44-71-482-4596
WARNING Life Support Policy
Elantec Inc products are not authorized for and should not be
used within Life Support Systems without the specific written
consent of Elantec Inc Life Support systems are equipment in-
tended to support or sustain life and whose failure to perform
when properly used in accordance with instructions provided can
be reasonably expected to result in significant personal injury or
death Users contemplating application of Elantec Inc products
in Life Support Systems are requested to contact Elantec Inc
factory headquarters to establish suitable terms conditions for
these applications Elantec Inc ’s warranty is limited to replace-
ment of defective components and does not cover injury to per-
sons or property or other consequential damages
12 Printed in U S A

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