Datasheet > PA98_09

PA98_09

更新时间： 2022-12-21 22:27:56

品牌	Logo	应用领域
凌云 - CIRRUS		运算放大器
页数	文件大小	规格书
7页	300K
描述
Power Operational Amplifiers

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中文翻译

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数据手册

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PA98_09 数据手册

PA98 • PA98A

PA^d^d9^u8^c,^tPA^o^o98A^o^o

t II nn nn vv aa tt ii nn FF rr oo mm

PA98 • PA98A

Power Operational Amplifiers

DESCRIPTION

FEATURES

The PA98 is a high voltage, high power bandwidth

MOSFETꢀ operationalꢀ ampliﬁerꢀ designedꢀ forꢀ outputꢀ

currentsꢀupꢀtoꢀ200mA.ꢀOutputꢀvoltagesꢀcanꢀswingꢀupꢀ

toꢀ±215Vꢀwithꢀaꢀdualꢀsupplyꢀandꢀupꢀtoꢀ+440ꢀvoltsꢀwithꢀ

aꢀ singleꢀ supply.ꢀTheꢀ safeꢀ operatingꢀ areaꢀ (SOA)ꢀ hasꢀ

no second breakdown limitations and can be observed

withꢀallꢀtypesꢀofꢀloadsꢀbyꢀchoosingꢀanꢀappropriateꢀcur-

rentꢀlimitingꢀresistor.ꢀHighꢀaccuracyꢀisꢀachievedꢀwithꢀaꢀ

cascodeꢀinputꢀcircuitꢀconﬁguration.ꢀAllꢀinternalꢀbiasingꢀ

isꢀreferencedꢀtoꢀaꢀbootstrappedꢀzener-MOSFETꢀcur-

rentꢀsource.ꢀAsꢀaꢀresult,ꢀtheꢀPA98ꢀfeaturesꢀanꢀunprec-

edentedꢀsupplyꢀrangeꢀandꢀexcellentꢀsupplyꢀrejection.ꢀ

TheꢀMOSFETꢀoutputꢀstageꢀisꢀbiasedꢀonꢀforꢀlinearꢀoper-

ation.ꢀExternalꢀcompensationꢀprovidesꢀuserꢀﬂexibility.

Thisꢀhybridꢀcircuitꢀutilizesꢀthickꢀﬁlmꢀ(cermet)ꢀresistors,ꢀ

ceramicꢀcapacitorsꢀandꢀsiliconꢀsemiconductorꢀchipsꢀtoꢀ

maximizeꢀreliability,ꢀminimizeꢀsizeꢀandꢀgiveꢀtopꢀperfor-

mance.ꢀUltrasonicallyꢀbondedꢀaluminumꢀwiresꢀprovideꢀ

reliableꢀinterconnectionsꢀatꢀallꢀoperatingꢀtemperatures.

TheꢀPowerꢀSIPꢀpackageꢀisꢀelectricallyꢀisolated.

♦ HIGH VOLTAGE — 450V (±225V)

♦ HIGH SLEW RATE — 1000V/μS

♦ HIGH OUTPUT CURRENT — 200mA

APPLICATIONS

♦ꢀHIGHꢀVOLTAGEꢀINSTRUMENTATION

♦ꢀPIEZOꢀTRANSDUCERꢀEXCITATION

♦ꢀPROGRAMMABLEꢀPOWERꢀSUPPLIESꢀUPꢀ

TO 430V

♦ꢀELECTROSTATICꢀTRANSDUCERSꢀ&ꢀ

ꢀ DEFLECTION

EQUIVALENT SCHEMATIC

+V_S

D23

COMP

C_L

Q12

C_L

–IN

+IN

Q11

OUT

Q10B

Q10A

Q17

Q18

Q13

Q15

–V_S

NOV 2009

APEX − PA98REVK

PA98U

www.cirrus.com

12 3 4 5 6 7

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