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PDF PA08A Data sheet ( Hoja de datos )
| Número de pieza | PA08A | |
| Descripción | POWER OPERATIONAL AMPLIFIERS | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PA08A (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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MICROTECHNOLOGY
POWER OPERATIONAL AMPLIFIERS
PA08 • PA08A
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739
FEATURES
• WIDE SUPPLY RANGE — ±15V to ±150V
• PROGRAMMABLE OUTPUT CURRENT LIMIT
• HIGH OUTPUT CURRENT — Up to ±150mA
• LOW BIAS CURRENT — FET Input
APPLICATIONS
• HIGH VOLTAGE INSTRUMENTATION
• ELECTROSTATIC TRANSDUCERS & DEFLECTION
• PROGRAMMABLE POWER SUPPLIES UP TO 290V
• ANALOG SIMULATORS
DESCRIPTION
The PA08 is a high voltage operational amplifier designed
for output voltage swings of up to ±145V with a dual (±) supply
or 290V with a single supply. High accuracy is achieved with
a cascode input circuit configuration. All internal biasing is
referenced to a zener diode fed by a FET constant current
source. As a result, the PA08 features an unprecedented
supply range and excellent supply rejection. The output
stage is biased-on for linear operation. Internal phase com-
pensation assures stability at all gain settings. The safe
operating area (SOA) can be observed with all types of loads
by choosing the appropriate current limiting resistors. For
operation into inductive loads, two external flyback pulse
protection diodes are recommended. A heatsink may be
necessary to maintain the proper case temperature under
normal operating conditions.
This hybrid integrated circuit utilizes beryllia (BeO) sub-
strate, thick film resistors, ceramic capacitors and semicon-
ductor chips to maximize reliability, minimize size and give
top performance. Ultrasonically bonded aluminum wires pro-
vide reliable interconnections at all operating temperatures.
The 8-pin TO-3 package is hermetically sealed and electri-
cally isolated. The use of compressible thermal isolation
washers and/or improper mounting torque will void the prod-
uct warranty. Please see “General Operating Considerations”.
EQUIVALENT SCHEMATIC
3
7
Q1
Q2
Q5
D1
Q3
Q4
C3
C1
Q8
5
4 Q12A
Q9
C4
C2
Q10
Q12B
Q7
Q11 Q19
Q15 Q16
D2
Q6
2
1
8
Q17
6
TYPICAL APPLICATION
+132V
DAC
110K
+132V
±1mA
PA08
8.2 Ω
+VS
D.U.T.
-132V
8.2 Ω
-VS
-132V
ATE PIN DRIVER
The PA08 as a pin driver is capable of supplying high test
voltages to a device under test (DUT). Due to the possibility of
short circuits to any terminal of the DUT, current limit must be
set to be safe when limiting with a supply to output voltage
differential equal to the amplifier supply plus the largest
magnitude voltage applied to any other pin of the DUT. In
addition, flyback diodes are recommended when the output of
the amplifier exits any equipment enclosure to prevent dam-
age due to electrostatic discharges. Refer to Application Note
7 for details on accuracy considerations of this circuit.
EXTERNAL CONNECTIONS
+VS
3
RT +IN 4
CL+
2
OUT
1
R CL+
TOP VIEW
OUTPUT
–IN 5
RS
6
–VS
8
CL–
R CL–
7
( )BAL
RS= +VS + –VS RT /1.6
NOTE: Input offset voltage trim optional. R T = 10K Ω MAX
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL [email protected]
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PA08A.PDF ] | |
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