PA95 Cirrus Logic Inc, PA95 Datasheet

OP AMP HV 900V .100A 8-SIP DQ

PA95

Manufacturer Part Number
PA95
Description
OP AMP HV 900V .100A 8-SIP DQ
Manufacturer
Cirrus Logic Inc
Series
Apex Precision Power™r
Datasheets

Specifications of PA95

Amplifier Type
Power
Number Of Circuits
1
Slew Rate
30 V/µs
Gain Bandwidth Product
10MHz
Current - Input Bias
200pA
Voltage - Input Offset
500µV
Current - Supply
1.6mA
Current - Output / Channel
100mA
Voltage - Supply, Single/dual (±)
100 V ~ 900 V, ±50 V ~ 450 V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Through Hole
Package / Case
12-SIP (8 leads)
Number Of Channels
1
Voltage Gain Db
118 dB
Common Mode Rejection Ratio (min)
80 dB
Input Offset Voltage
5 mV
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Maximum Dual Supply Voltage
+/- 450 V
Minimum Operating Temperature
- 25 C
For Use With
598-1462 - EVALUATION KIT FOR PA94/PA95
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Output Type
-
-3db Bandwidth
-
Lead Free Status / Rohs Status
In Transition
Other names
598-1335

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EXTERNAL CONNECTIONS
FEATURES
♦ HIGH VOLTAGE — 900V (±450V)
♦ LOW QUIESCENT CURRENT — 1.6mA
♦ HIGH OUTPUT CURRENT — 100mA
♦ PROGRAMMABLE CURRENT LIMIT
APPLICATIONS
♦ HIGH VOLTAGE INSTRUMENTATION
♦ PROGRAMMABLE POWER SUPPLIES UP
♦ MASS SPECTROMETERS
♦ SEMICONDUCTOR MEASUREMENT
EQUIPMENT
PA95U
* 0.01µF or greater ceramic power supply bypassing required.
–IN
TO ±430V
1
www.cirrus.com
+IN
2
High Voltage Power Operational Amplifiers
C
4
C
1
C
P r o d u c t T e c h n o l o g y 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
C
PA95
C
+V
–V
–IN
+IN
6
12
10
C
1
2
2 OUT I
S
S
7
Q5
R9
R1A
Q5A
R11
LIM
8
Q1
Q29
R20
R
LIM
Q6
EQUIVALENT SCHEMATIC
R1B
–Vs
10
Q2
*
Copyright © Cirrus Logic, Inc. 2011
R12
Q5B
CC1
R10
4
C2
(All Rights Reserved)
+Vs
12
*
CC2
6
Formed leads available
DESCRIPTION
The PA95 is a high voltage, MOSFET operational am-
plifier designed as a low cost solution for driving contin-
uous output currents up to 100mA and pulse currents
up to 200mA into capacitive loads. The safe operat-
ing area (SOA) has no second breakdown limitations
and can be observed for all load types by choosing
an appropriate current limiting resistor. The MOSFET
output stage is biased AB for linear operation. Exter-
nal compensation provides flexibility in choosing band-
width and slew rate for the application. Apex Precision
Power’s Power SIP package uses a minimum of board
space allowing for high density circuit boards. The
Power SIP package is electrically isolated. Isolating
thermal washers (TW13) are recommended to prevent
arcing from pins to heatsink.
See package style EC
Q3
Q8
Q29
Q30
R3
R27
STYLE DQ
PACKAGE
Q14
Q21
8-pin SIP
PATENTED
R4
R19
R7
Q14
OUT
Q4
ILIM
8
7
APEX − PA95UREVM
PA95
JAN 2011
PA95
1

Related parts for PA95

PA95 Summary of contents

Page 1

... CC1 Q5B R10 R12 Q29 Q30 Q29 R20 R27 –Vs + LIM Formed leads available See package style EC Copyright © Cirrus Logic, Inc. 2011 (All Rights Reserved ILIM 8 R7 Q14 7 OUT Q21 Q14 R19 PATENTED 8-pin SIP PACKAGE STYLE DQ APEX − PA95UREVM PA95 PA95 JAN 2011 1 ...

Page 2

... S S 260 °C 150 °C −40 85 °C −25 85 °C Min Typ Max 0 µV/kHz 200 2000 4 50 500 ±V Ŧ µV RMS 94 118 ±V Ŧ 24 ±V Ŧ 100 30 1 100 Units mV µV/°C µV/V pA pA/V pA Ω MHz kHz ° V/µS µS Ω PA95U ...

Page 3

... FREQUENCY, F (Hz) OUTPUT VOLTAGE SWING 100 OUTPUT CURRENT, I (mA) O SAFE OPERATING AREA 250 150 100 50 PA95 Min Typ Max Units ±50 ±300 ±450 1.6 2.2 mA 2.5 °C/W 4.2 °C/W 30 °C/W -25 +85 °C QUIESCENT CURRENT 1.08 1.04 1.00 .96 .92 .88 0 200 ...

Page 4

... CURRENT LIMIT RESISTOR, R (Ω) CL TYPICAL APPLICATION Piezo positioning may be applied to the focusing of seg- mented mirror systems. The composite mirror may be composed of hundreds of elements, each requiring focus- ing under computer control. In such complex systems the PA95 reduces the costs of power supplies and cooling with its advantages of low cost and low quiescent power consumption while increasing circuit density with the SIP package. PHASE COMPENSATION C rated for full supply voltage. C GAIN C ...

Page 5

... EXTERNAL COMPONENTS The compensation capacitor Cc must be rated for the total supply voltage. An NPO (COG)capacitor rated a 1kV is recommended. Of equal importance are the voltage rating and voltage coefficient of the gain setting feedback resistor. Typical volt- age ratings of low wattage resistors are 150 to 250V 500 V can appear across the feedback resistor. High voltage rated resistors can be obtained. However a 1 megohm feedback resistor composed of five 200k resistors in series will produce the proper voltage rating. CAUTIONS The operating voltages of the PA95 are potentially lethal. During circuit design develop a functioning circuit at the lowest possible voltages. Clip test leads should be used for "hands off" measurements while troubleshooting. PA95U – ...

Page 6

... TOMER’S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER’S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. 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 PA95U ...

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