P r o d u c t I n n o v a t i o n F r o m

PA13U

1

PA13 • PA13A

FEATURES

♦LOWTHERMALRESISTANCE—1.1°C/W

♦CURRENTFOLDOVERPROTECTION

♦EXCELLENTLINEARITY—ClassA/BOutput

♦WIDESUPPLYRANGE—±10Vto±45V

♦HIGHOUTPUTCURRENT—Upto±15APeak

APPLICATIONS

♦MOTOR,VALVEANDACTUATORCONTROL

♦MAGNETICDEFLECTIONCIRCUITSUPTO

10A

♦POWERTRANSDUCERSUPTO100kHz

♦TEMPERATURECONTROLUPTO360W

♦PROGRAMMABLEPOWERSUPPLIESUPTO

90V

♦AUDIOAMPLIFIERSUPTO120WRMS

EQUIVALENT SCHEMATIC

Power Operational Amplifier

PA13 • PA13A

P r o d u c t I n n o v a t i o n F r o m

Copyright © Cirrus Logic, Inc. 2008

(All Rights Reserved)

http://www.cirrus.com

AUG 2008

APEX − PA13REVN

DESCRIPTION

ThePA13isastateofthearthighvoltage,veryhigh

outputcurrentoperationalamplifierdesignedtodrive

resistive,inductiveandcapacitiveloads.Foroptimum

linearity, especially at low levels, the output stage is

biasedforclassA/Boperationusingathermistorcom-

pensated base-emitter voltage multiplier circuit. The

safeoperatingarea(SOA)canbeobservedforallop-

eratingconditionsbyselectionofuserprogrammable

currentlimitingresistors.Forcontinuousoperationun-

derload,aheatsinkofproperratingisrecommended.

ThePA13isnotrecommendedforgainsbelow–3(in-

verting)or+4(non-inverting).

Thishybridintegratedcircuitutilizesthickfilm(cermet)

resistors,ceramiccapacitorsandsemiconductorchips

tomaximizereliability,minimizesizeandgivetopper-

formance.Ultrasonicallybondedaluminumwirespro-

videreliableinterconnectionsatalloperatingtemper-

atures.The12-pinpowerSIPpackageiselectrically

isolated.