PA82J APEX PRECISION POWER, PA82J Datasheet

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PA82J

Manufacturer Part Number
PA82J
Description
IC, OP-AMP, 5MHZ, 20V/µs, TO-3-8
Manufacturer
APEX PRECISION POWER
Datasheet

Specifications of PA82J

Op Amp Type
High Current
No. Of Amplifiers
1
Bandwidth
5MHz
Slew Rate
20V/µs
Supply Voltage Range
± 70V To ± 150V
Amplifier Case Style
TO-3
No. Of Pins
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PA82J
Manufacturer:
F
Quantity:
1
Part Number:
PA82J
Manufacturer:
APEX
Quantity:
20 000
FEATURES
• HIGH VOLTAGE OPERATION — ±150V (PA82J)
• HIGH OUTPUT CURRENT — ±30mA (PA81J)
• LOW BIAS CURRENT, LOW NOISE — FET Input
APPLICATIONS
• HIGH IMPEDANCE BUFFERS UP TO ±140V
• ELECTROSTATIC TRANSDUCER & DEFLECTION
• PROGRAMMABLE POWER SUPPLIES TO ±145V
• BIOCHEMISTRY STIMULATORS
• COMPUTER TO VACUUM TUBE INTERFACE
DESCRIPTION
an extremely wide range of supply capability with two over-
lapping products. High accuracy is achieved with a cascode
input circuit configuration. All internal biasing is referenced
to a zener diode. As a result, these models offer outstanding
common mode and power supply rejection. The output stage
operates in the class A/B mode for best linearity. Internal phase
compensation assures stability at all gain settings without ex-
ternal components. Fixed internal current limits protect these
amplifiers against a short circuit to common at most supply
voltages. For sustained high energy flyback, external fast
recovery diodes should be used. However, a heatsink may
be necessary to maintain the proper case temperature under
normal operating conditions.
capacitors and silicon semiconductors to maximize reliabil-
ity, minimize size and give top performance. Ultrasonically
bonded aluminum wires provide reliable interconnections
at all operating temperatures. The 8-pin TO-3 package (see
Package Outlines) is hermetically sealed and isolated from
the internal circuits. The use of compressible thermal washers
voids the warranty.
EXTERNAL CONNECTIONS
PA81-82U
The PA80 series of high voltage operation amplifiers provides
This hybrid circuit utilizes thick film resistors, ceramic
http://www.cirrus.com
High Voltage Power Operational Amplifiers
NOTE: Input offset trimpot optional.
BAL
–IN
+IN
BAL
Recommended value of 100KΩ
4
5
PA81J, PA82J
P r o d u c t I n n o v a t i o n F r o m
P r o d u c t I n n o v a t i o n F r o m
3
6
TOP VIEW
+V
–V
S
S
2
7
N.C.
8
1
OUTPUT
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
TYPICAL APPLICATION
converter, accepting ±1mA from a 12 bit current output digital
to analog converter. The power op amp contribution to the er-
ror budget is insignificant. At a case temperature of 70°C, the
combination of voltage offset and bias errors amounts to less
than 31ppm of full scale range. Incorporation of the optional
offset trim can further reduce these errors to under 9ppm.
EQUIVALENT SCHEMATIC
4
2
3
5
6
7
The PA81 and 70K ohm resistor form a current to voltage
HIGH VOLTAGE PROGRAMMABLE POWER SUPPLY
C5
C6
±1mA
D/A
Q13
Q14
Q1
Q8
Q12A
C4
C2
Q15
Q5
–75V
+75V
PA81J
PA81J • PA82J
Q2
Q9
Q12B
70K
APEX − PA81-82JUREVJ
.47
.47
D1
PA81J • PA82J
C3
Q11
Q4
D2
PACKAGE STYLE CE
±70V
Q3
Q16
8-PIN TO-3
MAY 2009
Q7
C1
Q6
Q17
1
1

Related parts for PA82J

PA82J Summary of contents

Page 1

... PA81J, PA82J High Voltage Power Operational Amplifiers FEATURES • HIGH VOLTAGE OPERATION — ±150V (PA82J) • HIGH OUTPUT CURRENT — ±30mA (PA81J) • LOW BIAS CURRENT, LOW NOISE — FET Input APPLICATIONS • HIGH IMPEDANCE BUFFERS UP TO ±140V • ELECTROSTATIC TRANSDUCER & DEFLECTION • ...

Page 2

... Rating applies if the output current alternates between both output transistors at a rate faster than 60Hz the PA81J and PA82J, signal slew rates at pins 5 and 6 must be limited to less than 1V/ns to avoid damage. When faster waveforms are unavoidable, resistors in series with those pins, limiting current to 150mA will protect the amplifier from damage. ...

Page 3

... POWER SUPPLY (% OF MAX) POWER SUPPLY REJECTION 140 120 100 – 100 1K 10K .1M 1M FREQUENCY, F (Hz) PA81J • PA82J BIAS CURRENT 256 .25 .06 – 105 CASE TEMPERATURE, T (°C) C POWER RESPONSE 300 PA82J 200 PA81J 100 25K 50K .1M .15M .25M.35M ...

Page 4

... On the PA82J, any load combination is safe total supply of 250 volts. When total supply voltage equals 300 volts, the device will be safe if the output current is limited to 10 milliamps or less ...

Page 5

... Cirrus Logic, Cirrus, and the Cirrus Logic logo designs, Apex Precision Power, Apex and the Apex Precision Power logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. PA81-82U PA81J • PA82J 5 ...

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