Datasheet > PA51_09

PA51_09

更新时间： 2024-09-26 05:59:27

品牌	Logo	应用领域
凌云 - CIRRUS		运算放大器
页数	文件大小	规格书
5页	195K
描述
Power Operational Amplifier

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中文翻译

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数据手册

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PA51_09 数据手册

PA_d_d51, PA_o51A_o_o_{n F}

F r o m

r o m

PA51 • PA51A

t I

o v

a t

PA51 • PA51A

Power Operational Amplifier

FEATURES

•ꢀWIDEꢀSUPPLYꢀRANGEꢀ—ꢀ±10ꢀtoꢀ±40V

•ꢀHIGHꢀOUTPUTꢀCURRENTꢀ—ꢀ±10AꢀPeak

•ꢀCLASSꢀ“C”ꢀOUTPUTꢀ—ꢀLowꢀCost

•ꢀLOWꢀQUIESCENTꢀCURRENTꢀ—ꢀ2.6mA

APPLICATIONS

•ꢀDCꢀSERVOꢀAMPLIFIER

8-PINꢀTO-3

PACKAGEꢀSTYLEꢀCE

•ꢀMOTOR/SYNCHROꢀDRIVER

•ꢀVALVEꢀANDꢀACTUATORꢀCONTROL

•ꢀDCꢀORꢀACꢀPOWERꢀREGULATOR

TYPICALꢀAPPLICATION

DESCRIPTION

The PA51 and PA51A are high voltage, high output current

operationalampliﬁersdesignedtodriveresistive,inductiveand

capacitiveloads.Theircomplementarycommonemitteroutput

stage is the simple class C type optimized for low frequency

applications where crossover distortion is not critical. These

ampliﬁersarenotrecommendedforaudio,transducerordeﬂec-

tion coil drive circuits. The safe operating area (SOA) is fully

speciﬁed and can be observed for all operating conditions by

selectionofuserprogrammablecurrentlimitingresistors.Both

ampliﬁers are internally compensated for all gain settings.For

continuous operation under load, mounting on a heatsink of

proper rating is recommended. Do not use isolation washers!

This hybrid integrated circuit utilizes thick ﬁlm conductors,

ceramic capacitors and semiconductor chips to maximize reli-

ability, minimize size and give top performance.Ultrasonically

bonded aluminum wires provide reliable interconnections at

all operating temperatures.The 8-pinTO-3 package is electri-

cally isolated and hermetically sealed.The use of compress-

ible thermal washers and/or improper mounting torque will

void the product warranty. Please see “General Operating

Considerations”.

+10V

0/+5V

.1Ω

DAC

0/6A

4.16K

PA51

2.5K

.1Ω

–28V

.5Ω

MOTOR CURRENT IS A FUNCTION OF V_IN

PROGRAMMABLE TORQUE CIRCUIT

The linear relationship of torque output to current input of

the modern torque motor makes this simple control circuit

ideal for many material processing and testing applications.

The sense resistor develops a feedback voltage proportional

to motor current and the small signal properties of the Power

OpAmp insure accuracy.With this closed loop operation, tem-

perature induced impedance variations of the motor winding

are automatically compensated.

EXTERNALꢀCONNECTIONS

EQUIVALENTꢀSCHEMATIC

R_CL+

CL+

+V_S

OUT

Q1A

Q1B

OUTPUT

+IN

TOP VIEW

–IN

R_CL–

CL–

–V_S

N.C.

Q6B

Q6A

MAY 2009

APEX − PA51UREVR

PA51U

http://www.cirrus.com

12 3 4 5

中文翻译

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