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PA85A

更新时间： 2024-09-25 05:59:27
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页数 文件大小 规格书
5页 200K
描述
High Voltage Power Operational Amplifiers

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中文翻译

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PA85A 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：TO-204AA包装说明：, CAN8/9,.5FL
针数：2Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.25Is Samacsys：N
放大器类型：OPERATIONAL AMPLIFIER架构：VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：0.00001 µA25C 时的最大偏置电流 (IIB)：0.00001 µA
标称共模抑制比：110 dB频率补偿：YES (AVCL>=100)
最大输入失调电压：500 µVJESD-30 代码：O-MBFM-P8
低-偏置：YES低-失调：YES
微功率：NO负供电电压上限：-225 V
标称负供电电压 (Vsup)：-150 V功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-55 °C封装主体材料：METAL
封装等效代码：CAN8/9,.5FL封装形状：ROUND
封装形式：FLANGE MOUNT峰值回流温度（摄氏度）：NOT SPECIFIED
功率：YES电源：+-15/+-225 V
可编程功率：NO认证状态：Not Qualified
标称压摆率：1000 V/us子类别：Operational Amplifier
最大压摆率：25 mA供电电压上限：225 V
标称供电电压 (Vsup)：150 V表面贴装：NO
技术：MOS温度等级：MILITARY
端子面层：NICKEL端子形式：PIN/PEG
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
标称均一增益带宽：100000 kHz最小电压增益：63100
宽带：YESBase Number Matches：1

PA85A 数据手册

 浏览型号PA85A的Datasheet PDF文件第2页浏览型号PA85A的Datasheet PDF文件第3页浏览型号PA85A的Datasheet PDF文件第4页浏览型号PA85A的Datasheet PDF文件第5页 
PA85 • PA85A  
ProductInnova t i n From  
High Voltage Power Operational Amplifiers  
FEATURES  
•ꢀHIGHꢀVOLTAGEꢀ—ꢀ450Vꢀ(±225V)  
•ꢀHIGHꢀSLEWꢀRATEꢀ—ꢀ1000V/μS  
•ꢀHIGHꢀOUTPUTꢀCURRENTꢀ—ꢀ200mA  
APPLICATIONS  
•ꢀHIGHꢀVOLTAGEꢀINSTRUMENTATION  
PATENTED  
8-PINꢀTO-3  
PACKAGEꢀSTYLEꢀCE  
•ꢀPIEZOꢀTRANSDUCERꢀEXCITATION  
•ꢀPROGRAMMABLEꢀPOWERꢀSUPPLIESꢀUPꢀTOꢀ430V  
•ꢀELECTROSTATICꢀTRANSDUCERSꢀ&ꢀDEFLECTION  
TYPICALꢀAPPLICATION  
Dynamicfocusingistheactivecorrectionoffocusingvoltage  
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  
ofthescreentotheedges.PA85lendsitselfwelltothisfunction  
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 per-  
haps 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  
operationalamplifierdesignedforoutputcurrentsupto200mA.  
Output voltages can swing up to ±2ꢀ5V 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  
observedwithalltypesofloadsbychoosinganappropriatecur-  
rent 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  
linearoperation.Externalcompensationprovidesuserflexibility.  
Thishybridcircuitutilizesthickfilm(cermet)resistors,ceramic  
capacitors and silicon semiconductor chips to maximize reli-  
ability, minimize size and give top performance. Ultrasonically  
bondedaluminumwiresprovidereliableinterconnectionsatall  
operating temperatures. The 8-pin TO-3 package is hermeti-  
cally sealed and electrically isolated.The use of compressible  
isolation washers voids the warranty.  
RIN1  
RF  
DC  
FOCUS  
+225V  
X SWEEP  
SAMPLE  
RCL  
RIN2  
z = x 2 + y 2  
TO  
FOCUS  
GRID  
PA85  
-225V  
Y SWEEP  
SAMPLE  
EQUIVALENTꢀSCHEMATIC  
EXTERNALꢀCONNECTIONS  
3
+V  
R
CL  
S
CL  
D1  
+Vs  
2
3
Q4  
Q1  
Q2  
Q9  
D23  
1
8
Q8  
OUT  
+IN  
4
COMP  
CL  
2
7
8
Q12  
TOP VIEW  
Q6  
Q7  
–IN  
5
+IN  
4
COMP  
5
Q11  
–IN  
1
OUT  
Q10B  
Q10A  
C
C
7
6
Q17  
–Vs  
COMP  
Q18  
Q13  
R
C
Q16  
PHASE COMPENSATION  
D2  
Gain  
CC  
RC  
ꢀ00Ω  
330Ω  
0Ω  
–VS  
6
ꢀ
20  
68pF  
ꢀ0pF  
3.3pF  
ꢀ00  
CC RATED FOR FULL  
SUPPLY VOLTAGE  
Copyright © Cirrus Logic, Inc. 2009  
(All Rights Reserved)  
MAY 2009  
APEX − PA85UREVO  
http://www.cirrus.com  
12345

中文翻译

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