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PDF PA46 Data sheet ( Hoja de datos )
| Número de pieza | PA46 | |
| Descripción | HIGH VOLTAGE POWER OPERATIONAL AMPLIFIER | |
| Fabricantes | Apex Microtechnology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PA46 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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www.DataSheet4U.com
MICROTECHNOLOGY
HIGH VOLTAGE POWER OPERATIONAL AMPLIFIER
PA46
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739
FEATURES
• MONOLITHIC MOS TECHNOLOGY
• PROGRAMMABLE IQ (5 or 50 mA MAX)
• LOW COST
• HIGH VOLTAGE OPERATION—150V
• HIGH SLEW RATE—27V/µs
• HIGH POWER—5A, 75W DISSIPATION
APPLICATIONS
• MAGNETIC DEFLECTION
• PA AUDIO
• MOTOR DRIVE
• NOISE CANCELLATION
DESCRIPTION
The PA46 is a high power monolithic MOSFET operational
amplifier that achieves performance levels unavailable even in
many hybrid amplifier designs. Inputs are protected from
excessive common mode and differential mode voltages as
well as static discharge. The safe operating area (SOA) has no
second breakdown limitations and can be observed with all
type loads by choosing an appropriate current limiting resistor.
External compensation provides the user flexibility in choosing
optimum gain and bandwidth for the application. Class C
operation with resulting low quiescent current is pin program-
mable. A shutdown input turns off the output stage.
This circuit utilizes a beryllia oxide (BeO) substrate to
minimize thermal resistance. The 10-pin power SIP package
is electrically isolated.
EQUIVALENT SCHEMATIC
6
+VS
D1
Q3
D2
D4
D3
–IN D5
1
Q11
Q12
2
+IN
Q20 Q21
Q24
Q8
Q13
CC1
8
9 CC2
Q2
3
SHDN
7
IQ
Q5 Q6
Q9
Q7 OUTPUT
DRIVE
Q10 5
10
Q14 Q15 CURRENT
SENSE
Q16
Q17
Q19
–VS D7
4
TYPICAL APPLICATION
+80
RC
6
CC
VI
28
9 RCL
RI 1 PA46
5
10
4
–20
CF
RD
RF
YOKE
±2.5A 7µSec Retrace
Horizontal Deflection Coil Amplifiers
RS
Horizontal deflection amplifiers require both high speed and
low distortion. The speed at which current can be changed in a
deflection coil is a function of the voltage available from the op
amp. In this application an 80 volt power supply is used for the
retrace polarity to provide a 7 µSec retrace time, half of which is
required for amplifier slewing. This circuit can perform 15.75
KHz deflection in up to 50µH coils at up to 5A p-p.
EXTERNAL CONNECTIONS
RCL
RC
Package: SIP02
OUTPUT
CC
1 2 3 4 5 6 7 8 9 10
–IN +IN SHDN –VS OUT +VS IQ CC1 CC2 ILIM
CC is NPO rated for full suppy voltage.
Phase Compensation
Gain
≥10
CC
10pF
RC
1KΩ
≥ 1 68pF 1KΩ
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 PA46.PDF ] | |
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