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PDF EL2008CT Data sheet ( Hoja de datos )
| Número de pieza | EL2008CT | |
| Descripción | 55 MHz 1 Amp Buffer Amplifier | |
| Fabricantes | Elantec | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EL2008CT (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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EL2008C
55 MHz 1 Amp Buffer Amplifier
Features
• High slew rate 2500 V/µs
• Wide bandwidth 100MHz @ RL =
50Ω and 55MHz @ RL = 10Ω
• Output current 1A continuous
• Output impedance 1Ω
• Quiescent current 13mA
• Short circuit protected
• Power package with isolated metal
tab
Applications
• Video distribution amplifier
• Fast op amp booster
• Flash converter driver
• Motor driver
• Pulse transformer driver
• A.T.E. pin driver
Ordering Information
Part No.
EL2008CT
Temp. Range
0°C to +75°C
Package
TO-220
Outline#
MDP0028
Connection Diagrams
General Description
The EL2008C is a patented high speed bipolar monolithic buffer
amplifier designed to provide currents over 1 amp at high frequencies,
while drawing only 13 mA of quiescent supply current. The
EL2008C's 1500 V/µs slew rate and 55 MHz bandwidth driving a 10Ω
load is second only to the EL2009 and insures stability in fast op amp
feedback loops. Elantec has applied for patents on unique circuitry
within the EL2008C.
Used as an open loop buffer, the EL2008C's low output impedance
(1Ω) gives a gain of 0.99 when driving a 100Ω load and 0.9 driving a
10Ω load. The EL2008C has output short circuit current limiting
which will protect the device under both a DC fault condition and AC
operation with reactive loads.
The EL2008C is constructed using Elantec's proprietary Complemen-
tary Bipolar process that produces PNP and NPN transistors with
essentially identical AC and DC characteristics. In the EL2008C, the
Complementary Bipolar process also insulates the package's metal
heat sink tab from all supply voltages. Therefore the tab may be
mounted to an external heat sink or the chassis without an insulator.
The EL2008CT is specified for operation over the 0°C to +75°C tem-
perature range and is provided in a 5-lead TO-220 plastic power
package.
Simplified Schematic
5-Pin TO-220
Top View
Manufactured under U.S. Patent No. 4,833,424 and 4,827,223 and U.K. Patent No. 2217134.
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.
© 2001 Elantec Semiconductor, Inc.
1 page  
Voltage Gain
vs Frequency at
Various Resistive Loads
EL2008C
55 MHz 1 Amp Buffer Amplifier
Voltage Gain
vs Frequency at
Various Capacitive Loads
Voltage Gain
vs Frequency at
Various Capacitive Loads
Phase Shift
vs Frequency at
Various Resistive Loads
Reverse Isolation
vs Frequency
Power Supply
Rejection Ratio
vs Frequency
Active operating area.
Active operating area.
5
5 Page 
EL2008C Macromodel
* Connections: +input
* | +Vsupply
* | | -Vsupply
* | | | output
* ||||
.subckt M2008 4 5 1 2
*
* Input Stage
*
e1 10 0 4 0 1.0
r1 10 0 1K
rh 10 11 1K
ch 11 0 2.65pF
rc 11 12 10K
cc 12 0 0.159pF
e2 13 0 12 0 1.0
*
* Output Stage
*
q1 1 13 14 qp
q2 5 13 15 qn
q3 5 14 16 qn 15
q4 1 15 19 qp 15
r2 16 2 0.4
r3 19 2 0.4
c1 14 0 0.6pF
c2 15 0 0.6pF
i1 5 14 1.2mA
i2 15 1 1.2mA
*
* Bias Current
*
iin+ 4 0 5µA
*
* Models
*
.model qn npn (is=5e-15 bf=1500)
.model qp pnp (is=5e-15 bf=1500)
.ends
EL2008C
55 MHz 1 Amp Buffer Amplifier
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet EL2008CT.PDF ] | |
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