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PA88

更新时间: 2024-11-13 05:59:27
品牌 Logo 应用领域
凌云 - CIRRUS 运算放大器放大器电路高压
页数 文件大小 规格书
5页 202K
描述
High Voltage Power Operational Amplifiers

PA88 技术参数

生命周期:Transferred零件包装代码:TO-204AA
包装说明:, CAN8/9,.5FL针数:2
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.58
放大器类型:OPERATIONAL AMPLIFIER架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.00005 µA25C 时的最大偏置电流 (IIB):0.00005 µA
标称共模抑制比:110 dB频率补偿:NO
最大输入失调电压:2000 µVJESD-30 代码:O-MBCY-P8
低-偏置:YES低-失调:NO
微功率:NO负供电电压上限:-225 V
标称负供电电压 (Vsup):-200 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:CYLINDRICAL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:30 V/us子类别:Operational Amplifiers
最大压摆率:2 mA供电电压上限:225 V
标称供电电压 (Vsup):200 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:2100 kHz最小电压增益:63000
宽带:NOBase Number Matches:1

PA88 数据手册

 浏览型号PA88的Datasheet PDF文件第2页浏览型号PA88的Datasheet PDF文件第3页浏览型号PA88的Datasheet PDF文件第4页浏览型号PA88的Datasheet PDF文件第5页 
PA88 • PA88A  
ProductInnova tion From  
High Voltage Power Operational Amplifiers  
FEATURES  
HIGHꢀVOLTAGEꢀ—ꢀ450Vꢀ(±225V)  
LOWꢀQUIESCENTꢀCURRENTꢀ—ꢀ2mA  
HIGHꢀOUTPUTꢀCURRENTꢀ—ꢀ100mAꢀ  
PROGRAMMABLEꢀCURRENTꢀLIMIT  
LOWꢀBIASꢀCURRENTꢀ—ꢀFETꢀInput  
PATENTED  
APPLICATIONS  
8-PINꢀTO-3  
PACKAGEꢀSTYLEꢀCE  
PIEZOELECTRICꢀPOSITIONING  
HIGHꢀVOLTAGEꢀINSTRUMENTATION  
ELECTROSTATICꢀTRANSDUCERS  
TYPICALꢀAPPLICATION  
R F  
PROGRAMMABLEꢀPOWERꢀSUPPLIESꢀUPꢀTOꢀ440V  
+VS  
DESCRIPTION  
CC  
The PA88 is a high voltage, low quiescent current MOSFET  
operationalamplifierdesignedforoutputcurrentsupto100mA.  
Output voltages can swing up to ±±15V 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  
PA88 features an unprecedented supply range and excellent  
supply rejection. The MOSFET output stage is biased on for  
linearoperation.Externalcompensationprovidesuserexibility.  
This hybrid circuit utilizes beryllia (BeO) substrates, thick  
film resistors, ceramic capacitors and semiconductor chips to  
maximize reliability, minimize size and give top performance.  
Ultrasonically bonded aluminum wires provide reliable inter-  
connections at all operating temperatures. The 8-pin TO-3  
package is hermetically sealed and electrically isolated. The  
useofcompressiblethermalisolationwashersand/orimproper  
mounting torque will void the product warranty. Please see  
“General Operating Considerations.  
R IN  
PIEZO DRIVE  
VOUT  
PA88  
COMPUTER  
FOCUS  
COMMAND  
VOLTAGE  
–VS  
LOW POWER, PIEZOELECTRIC POSITIONING  
Piezo positioning may be applied to the focusing of  
segmented mirror systems. The composite mirror may be  
composed of hundreds of elements, each requiring focusing  
under computer control. In such complex systems the PA88’s  
advantage of low quiescent power consumption reduces  
the costs of power supplies and cooling, while providing the  
interface between the computer and the high voltage drive to  
the piezo positioners.  
EXTERNALꢀCONNECTIONS  
EQUIVALENTꢀSCHEMATIC  
R
CL  
PHASE COMPENSATION  
CL  
+Vs  
2
3
CC  
RC  
GAIN  
3
+V  
1
10  
20  
100  
68pf  
33pf  
15pf  
3.3pf  
100W  
100W  
100W  
S
1
8
R
OUT  
+IN  
–IN  
D1  
D19  
4
5
Q4  
TOP VIEW  
Q1  
Q2  
Q9  
Q8  
COMP  
COMP  
CL  
2
7
8
.7  
RCL  
=
Q12  
ILIM  
C
Q6  
Q7  
C
7
6
– IN  
5
+ IN  
4
–Vs  
Q11  
COMP  
1
OUT  
CC RATED FOR FULL  
SUPPLY VOLTAGE  
C
Q10B  
Q10A  
Q17  
Q18  
Q13  
Q16  
D2  
VS  
6
Copyright © Cirrus Logic, Inc. 2009  
(All Rights Reserved)  
MAY 2009  
APEX − PA88UREVN  
http://www.cirrus.com  

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