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部品型式

PA85

製品説明
仕様・特性

PA85 • PA85A PA85 • PA85A PA85, PA85A High Voltage Power Operational Amplifiers FEATURES • HIGH VOLTAGE — 450V (±225V) • HIGH SLEW RATE — 1000V/μS • HIGH OUTPUT CURRENT — 200mA APPLICATIONS PATENTED • HIGH VOLTAGE INSTRUMENTATION • PIEZO TRANSDUCER EXCITATION • PROGRAMMABLE POWER SUPPLIES UP TO 430V • ELECTROSTATIC TRANSDUCERS & DEFLECTION TYPICAL APPLICATION Dynamic focusing is the active correction of focusing voltage as a beam traverses the face of a CRT. This is necessary in high resolution flat face monitors since the distance between cathode and screen varies as the beam moves from the center of the screen to the edges. PA85 lends itself well to this function since it can be connected as a summing amplifier with inputs from the nominal focus potential and the dynamic correction. The nominal might be derived from a potentiometer, or perhaps automatic focusing circuitry might be used to generate this potential. The dynamic correction is generated from the sweep voltages by calculating the distance of the beam from the center of the display. DESCRIPTION The PA85 is a high voltage, high power bandwidth MOSFET operational amplifier designed for output currents up to 200mA. Output voltages can swing up to ±215V with a dual supply and up to +440 volts with a single supply. The safe operating area (SOA) has no second breakdown limitations and can be observed with all types of loads by choosing an appropriate current limiting resistor. High accuracy is achieved with a cascode input circuit configuration. All internal biasing is referenced to a bootstrapped zener-MOSFET current source. As a result, the PA85 features an unprecedented supply range and excellent supply rejection. The MOSFET output stage is biased on for linear operation. External compensation provides user flexibility. This hybrid circuit utilizes thick film (cermet) resistors, ceramic capacitors and silicon 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. RIN1 DC FOCUS RF +225V X SWEEP SAMPLE z= Q2 3 +VS D23 COMP 7 8 –IN 5 Q6 Q10A Q7 Q10B +IN 4 EXTERNAL CONNECTIONS Q9 Q8 CL PA85U www.cirrus.com –VS 6 8 5 –IN TOP VIEW 1 OUT Q18 Q16 D2 COMP COMP 7 2 Q12 Q11 RC CC Q17 Q13 TO FOCUS GRID PA85 Y SWEEP SAMPLE -225V D1 Q1 RCL RIN2 x2+y2 EQUIVALENT SCHEMATIC Q4 8-PIN TO-3 PACKAGE STYLE CE –VS 6 Copyright © Cirrus Logic, Inc. 2012 (All Rights Reserved) 4 OUT 1 RCL 2 CL +IN 3 +VS PHASE COMPENSATION Gain CC RC 1 68pF 100Ω 20 10pF 330Ω 100 3.3pF 0Ω CC RATED FOR FULL SUPPLY VOLTAGE MAR 2012 1 APEX − PA85UREVQ

ブランド

APEX

会社名

Apex Microtechnology

本社国名

U.S.A

事業概要

超高性能のパワー・オペアンプ、PWMアンプ等をワールドワイドに展開しています。 特に、高電流(最大50A)や高電圧(1200V)に特化した多種多様な製品群を取り揃えています。

供給状況

 
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PA0 PA0000168 PA0001 PA0001-S PA0001T
PA0002 PA0002-S PA0003 PA0003026 PA0003A
PA0003-S PA0004 PA0004025 PA0004-S PA0005
PA0005-S PA0006 PA0006025 PA0006-S PA0007
PA000701530 PA0008 PA0008025 PA0008-S PA0009
PA0009-S PA0010 PA0010025 PA001-03P PA0011
PA0011-S PA0012 PA0013 PA0015 PA0016
PA0017 PA0017-S PA0018 PA-001-80-0422 PA0018-S
PA0019 PA0019-S PA-001BK PA001N PA0020012
PA0020-S PA0021 PA00212 PA0021A PA0021APIONEER8M
PA00224845 PA00225070 PA0022A PA0022PLONEER PA0024
PA0024618 PA00247348 PA00247443 PA0025 PA0026
PA0026-S PA0027 PA0027-S PA0028 PA0028-S
PA0029 PA002FMA PA002FMG PA-003 PA0030
PA0030NL PA0030T PA0031T PA0032 PA0032087
PA0032-S PA0033 PA0033-S PA0034 PA0034A
PA0034A-1 PA0034A2LF PA0034-S PA0035 PA0035-S
PA0036 PA0036-S PA0037 PA0037-S PA0039
PA0039-S PA003DT-6178-PX-2450 PA0040 PA0040223T PA0040-S
PA0041 PA0042 PA0042-S PA0044 PA-00440F-1A
PA-00440-LED05A PA0046 PA0049 PA0050 PA0050B
PA-0051 PA005155 PA0051AMTFB PA0051AM-TFBPIONEER PA0051AM-TFBSOP-8PI
PA0052A PA0053B PA0054 PA0054AM-TFBSOP-8PI PA0057
PA0059 PA0059AM PA0059AM-TFB6H039E1 PA0059AM-TFBSO-24P PA0059ANTFB6KH29B
PA0060 PA0061 PA0061AM-TFBPIONSO PA0061-S PA0062
PA0063 PA0063-S PA0064 PA0065 PA0065AM-TFB
PA0065AM-TFBPEIONE PA0067 PA0067-S PA0071 PA0072AA-TFB
PA-0075 PA007713 PA0078 PA0079 PA0081AA-TFB-A
PA0082 PA0083 PA0083-S PA0084 PA0085
PA0085-S PA0086 PA0086-S PA0087 PA0087-S
PA0088 PA0089 PA0089-S PA0090 PA0091
PA0091-S PA0092-S PA0093 PA0093-S PA0094
PA0094-S PA00958 PA0096 PA0096-S PA0098BL-TFB
PA0099 PA01 PA0100 PA0100-5A PA0101
PA-01-01-L1 PA0101-S PA-01-01-T1 PA-01-01-T2 PA-01-01-T3
PA-01-01-T4 PA-01-02-T1 PA-01-02-T2 PA-01-02-T3 PA0103
PA-01-03-L1 PA0103-S PA0104 PA-0104-001-025 PA0104025
PA-01-04-L1 PA-01-04-L2 PA-01-04-L3 PA-01-04-L4 PA-01-04-L5
PA-01-04-L6 PA-01-04-L7 PA-01-04-L8 PA-01-04-L9 PA-01-04-T1
PA-01-04-T2 PA010597 PA010598 PA0105SOCKET PA0106025
PA-01-06-L1 PA0106SOCKET PA0107 PA0107SOCKET PA0108025
PA0109 PA0110 PA0110025 PA01100-B0-T PA0110-S
PA01110-30 PA0112 PA0112025 PA01120-AO-T PA01120-T
PA0112111 PA0112NL PA0113 PA0113811 PA01140
PA01140-T PA01160 PA01160-A0-T PA01160-T PA0120052
PA0120101 PA0120102 PA0120105 PA0120106 PA0120107
PA-0121-00-DIE PA0124 PA-0125 PA0125B PA0125W
PA0126 PA0126G PA0126P PA0127A PA0127B
PA0127G PA0129 PA013 PA0132M PA0135102
PA0135102NLT PA0135102T PA0135331 PA0135331NL PA0135331NLT
PA0135331T PA0135471NLT PA0135471T PA0144211 PA0149
PA0152 PA0158T PA016-001 PA016-005 PA01660031
PA0168 PA016801NLT PA016XS1 PA0171 PA0173NL
PA0173NLT PA0173T PA01740080 PA0177 PA0178
PA0178-S PA0180 PA0180-S PA0181 PA0182
PA0184 PA0184NL PA0184NLT PA0184-S PA0184T
PA0185 PA01850042 PA0185NL PA0185NLT PA0186
PA0188 PA0188-S PA0189 PA0189-001 PA0189-002
PA0189-009 PA018A PA0190 PA0193 PA0194
PA0199 PA01A PA01A-12V PA01-KIT PA01-P

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