Datasheet > PA73

PA73

更新时间： 2024-01-26 13:06:37

品牌	Logo	应用领域
凌云 - CIRRUS		运算放大器局域网
页数	文件大小	规格书
5页	320K
描述
POWER OPERATIONAL AMPLIFIER

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PA73 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	, CAN8/9,.5FL	Reach Compliance Code：	unknown
风险等级：	5.92	放大器类型：	OPERATIONAL AMPLIFIER
架构：	VOLTAGE-FEEDBACK	25C 时的最大偏置电流 (IIB)：	0.04 µA
频率补偿：	YES	最大输入失调电压：	21100 µV
JESD-30 代码：	O-MBCY-W8	JESD-609代码：	e0
低-失调：	NO	标称负供电电压 (Vsup)：	-28 V
功能数量：	1	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-25 °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
功率：	YES	电源：	+-28 V
最小摆率：	1 V/us	子类别：	Operational Amplifiers
最大压摆率：	7 mA	供电电压上限：	34 V
标称供电电压 (Vsup)：	28 V	技术：	HYBRID
温度等级：	OTHER	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	WIRE	端子位置：	BOTTOM
最小电压增益：	35000	Base Number Matches：	1

PA73 数据手册

PA01 • PA73

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

108&3ꢀ01&3"5*0/"-ꢀ".1-*'*&3

FEATURES

•ꢀLOWꢀCOST,ꢀECONOMYꢀMODELꢀ—ꢀPA01

•ꢀHIGHꢀOUTPUTꢀCURRENTꢀ—ꢀUpꢀtoꢀ±±AꢀPEAK

•ꢀEXCELLENTꢀLINEARITYꢀ—ꢀPA01

•ꢀHIGHꢀSUPPLYꢀVOLTAGEꢀ—ꢀUpꢀtoꢀ±30V

•ꢀISOLATEDꢀꢀCASEꢀ—ꢀ300V

APPLICATIONS

•ꢀMOTOR,ꢀVALVEꢀANDꢀACTUATORꢀCONTROL

•ꢀMAGNETICꢀDEFLECTIONꢀCIRCUITSꢀUPꢀTOꢀ4A

•ꢀPOWERꢀTRANSDUCERSꢀUPꢀTOꢀ20kHz

•ꢀTEMPERATUREꢀCONTROLꢀUPꢀTOꢀ180W

•ꢀPROGRAMMABLEꢀPOWERꢀSUPPLIESꢀUPꢀTOꢀ48V

•ꢀAUDIOꢀAMPLIFIERSꢀUPꢀTOꢀ±0WꢀRMS

8-PINꢀTO-3

PACKAGEꢀSTYLEꢀCE

TYPICALꢀAPPLICATION

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DESCRIPTION

The PA01 and PA73 are high voltage, high output current

operational ampliﬁers designed to drive resistive, inductive

and capacitive loads. For optimum linearity, the PA01 has a

class A/B output stage. The PA73 has a simple class C output

stage (see Note 1) to reduce cost for motor control and other

applications where crossover distortion is not critical and to

provide interchangeability with type 3573 ampliﬁers. The

safe operating area (SOA) can be observed for all operating

conditions by selection of user programmable current limit

resistors. These ampliﬁers are internally compensated for all

gain settings. For continuous operation under load, a heatsink

of proper rating is recommended.

This hybrid integrated circuit utilizes thick ﬁlm (cermet)

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

use of compressible thermal washers and/or improper mount-

ing torque will void the product warranty. Please see “General

Operating Considerations”.

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Unidirectional Optical Speed Control

The pulse output of a non-contact optical sensor drives a

voltage-to-frequency converter which generates feedback for

the op amp. With the loop closed in this manner, the op amp

corrects for any variations in the speed due to changing load.

Because of operation in only one direction, an unsymmetrical

supply is used to maximize efﬁciency of both power op amp

and power supply. High speed diodes at the input protect the

op amp from commutator noise which may be generated by

the motor.

EQUIVALENTꢀSCHEMATIC

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NOTE 1: * Indicates not used in PA73. Open base of Q2A

connected to output of A1.

Cirrus Logic, Inc.

NOV 2007

PA01-73Uꢀ

ꢀ

http://www.cirrus.com

PA01-73U rev T

12 3 4 5

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