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300V, 1.5A, 250 V/µs Wide Bandwidth Amplifier0 pages
PA96
PA96
PA96
Power Operational Amplifier
FEATURES
•t HIGH VOLTAGE - 300 VOLTS
•t HIGH OUTPUT CURRENT – 1.5 AMPS
•t 70 WATT DISSIPATION CAPABILITY
•t 175 MHz GAIN BANDWIDTH
•t 250 V/µ-SECOND SLEW RATE
APPLICATIONS
•t PZT DRIVE
•t MAGNETIC DEFLECTION
•t PROGRAMMABLE POWER SUPPLIES
•t 70V LINE AUDIO to 70W
TYPICAL APPLICATION
RF
RI
DESCRIPTION
The PA96 is a state of the art high voltage, high current
operational amplifier designed to drive resistive, capacitive
and inductive loads. For optimum linearity, the output stage
is biased for class A/B operation. External compensation
provides user flexibility in maximizing bandwidth at any gain
setting. The safe operating area (SOA) can be observed for
all operating conditions by selection of user programmable
current limit. For continuous operation under load, a heatsink
of proper rating is required.
The hybrid integrated circuit utilizes thick film (cermet)
resistors, ceramic capacitors and semiconductor chips to
maximize reliability, minimize size and give top performance.
Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8-pin TO-3
package is hermetically sealed and electrically isolated. The
use of compressible isolation washers voids the warranty.
EQUIVALENT CIRCUIT DIAGRAM
+Vs 3
+275V
+
PA96
+
-15V
CC
PZT POSITION CONTROL
The MOSFET output stage of the PA96 provides superior
SOA performance compared to bipolar output stages where
secondary breakdown is a concern. The extended SOA is
ideal in applications where the load is highly reactive and
may impose simultaneously both high voltage and high current across the output stage transistors. In the figure above
a piezo-electric transducer is driven to high currents and high
voltages by the PA96.
EXTERNAL CONNECTIONS
COMP
7
COMP
–VS
6
8
5 –IN
TOP VIEW
8
4
COMP
COMP
7
+IN 4
RCL
_
-
CC
-IN 5
8-PIN TO-3
PACKAGE STYLE CE
OUT
1 OUT
1
2
RCL
+IN
3
CL
+VS
2 CL
-Vs 6
www.apexanalog.com
PA96U
Copyright © Apex Microtechnology, Inc. 2012
(All Rights Reserved)
OCT 2012
1
PA96U REVH
