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PDF ELH0101 Data sheet ( Hoja de datos )
| Número de pieza | ELH0101 | |
| Descripción | Power Operational Amplifier | |
| Fabricantes | Elantec Semiconductor | |
| Logotipo |  |
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ELH0101 883 8508901 2YX
Power Operational Amplifier
Features
5A peak 2A continuous output
current
10 V ms slew rate
300 kHz power bandwidth
850 mW standby power (g15V
supplies)
300 pA input bias current
Virtually no crossover distortion
2 ms settling time to 0 01%
5 MHz gain bandwidth
MIL-STD-883 devices 100%
manufactured in U S A
General Description
The ELH0101 is a wideband power operational amplifier featur-
ing FET inputs internal compensation virtually no crossover
distortion and rapid settling time These features make the
ELH0101 an ideal choice for DC or AC servo amplifiers deflec-
tion yoke drivers programmable power supplies and disk head
positioner amplifiers
Elantec facilities comply with MIL-I-45208A and other applica-
ble quality specifications Elantec’s Military devices are 100%
fabricated and assembled in our rigidly controlled ultra-clean
facilities in Milpitas California For additional information on
Elantec’s Quality and Reliability Assurance policy and proce-
dures request brochure QRA-1
Ordering Information
Part No
Temp Range Package Outline
ELH0101AK 883B b55 C to a125 C TO-3 MDP0003
ELH0101K 883B b55 C to a125 C TO-3 MDP0003
8508901YX and 8508902YX are the SMD
versions of this device
Equivalent Schematic
Connection Diagram
0101 – 1
Top View
Note Electrically connected internally
No connection should be made to pin
0101 – 2
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 Patent pending
1985 Elantec Inc
1 page  
ELH0101 883 8508901 2YX
Power Operational Amplifier
Typical Performance Curves
Power Dissipation
Safe Operating Area
Quiescent Power Supply
Current
Input Bias Current
Input Bias Current After
Warm-up
Input Common-Mode
Voltage Range
Open-Loop Small Signal
Frequency Response
Output Voltage Swing vs
Frequency
Common-Mode Rejection
Ratio vs Frequency
0101 – 3
5
5 Page 
ELH0101 883 8508901 2YX
Power Operational Amplifier
Application Information Contd
Cooling is normally required to maintain the
worst case operating junction temperature TJ of
the device below the specified maximum value
TJ(MAX) TJ can be calculated from known oper-
ating conditions Rewriting equation (1) we find
iJA
e
TJ
b TA
PD
C
W
TJ e TA a PDiJA C
lWhere PD e (VS b VOUT) IOUT a Vg
(Vb)lIQ
iJA e iJC a iCS a iSA and
VS e Supply Voltage
iJC for the ELH0101 is typically 2 C W
Stability and Compensation
As with most amplifiers care should be taken
with lead dress component placement and sup-
ply decoupling in order to ensure stability For
example resistors from the output to an input
should be placed with the body close to the input
to minimize ‘‘pickup’’ and maximize the frequen-
cy of the feedback pole by minimizing the capaci-
tance from the input to ground
A feedback pole is created when the feedback
around any amplifier is resistive The parallel re-
sistance and capacitance from the input of the
device (usually the inverting input) to AC
ground set the frequency of the pole In many
instances the frequency of this pole is much
greater than the expected 3 dB frequency of the
closed loop gain and consequently there is negli-
gible effect on stability margin However if the
feedback pole is less than approximately six
times the expected 3 dB frequency a lead capaci-
tor should be placed from the output to the input
of the op amp The value of the added capacitor
should be such that the RC time constant of this
capacitor and the resistance it parallels is greater
than or equal to the original feedback pole time
constant
Some inductive loads may cause output stage os-
cillation A 0 01 mF ceramic capacitor in series
with a 10X resistor from the output to ground
will usually remedy this situation
0101 – 16
Capacitive loads may be compensated for by tra-
ditional techniques (See ‘‘Operational Amplifi-
ers Theory and Practice’’ by Roberge published
by Wiley )
0101 – 17
A similar but alternative technique may be used
for the ELH0101
0101 – 18
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ELH0101.PDF ] | |
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