PA61

更新时间： 2024-11-21 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	317K
描述
POWER OPERATIONAL AMPLIFIERS

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PA61 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：	unknown	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.56
放大器类型：	OPERATIONAL AMPLIFIER	架构：	VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：	0.03 µA	25C 时的最大偏置电流 (IIB)：	0.03 µA
标称共模抑制比：	100 dB	频率补偿：	YES
最大输入失调电压：	6000 µV	JESD-30 代码：	O-MBFM-P8
低-失调：	NO	负供电电压上限：	-45 V
标称负供电电压 (Vsup)：	-32 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：	FLANGE MOUNT	峰值回流温度（摄氏度）：	NOT SPECIFIED
功率：	YES	电源：	+-32 V
认证状态：	Not Qualified	最小摆率：	1 V/us
标称压摆率：	2.8 V/us	子类别：	Operational Amplifiers
最大压摆率：	10 mA	供电电压上限：	45 V
标称供电电压 (Vsup)：	32 V	表面贴装：	NO
技术：	HYBRID	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：	1000 kHz	最小电压增益：	63000
Base Number Matches：	1

PA61 数据手册

PA61 • PA61A

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-*'*&34

FEATURES

•ꢀWIDEꢀSUPPLYꢀRANGEꢀ—ꢀ±1ꢁꢀtoꢀ±±45

•ꢀHIGHꢀOUTPUTꢀCURRENTꢀ—ꢀ±1ꢁAꢀPeak

•ꢀLOWꢀCOSTꢀ—ꢀClassꢀ“C”ꢀoutputꢀstage

•ꢀLOWꢀQUIESCENTꢀCURRENTꢀ—ꢀ3mA

APPLICATIONS

•ꢀPROGRAMMABLEꢀPOWERꢀSUPPLY

•ꢀMOTOR/SYNCROꢀDRI5ER

•ꢀ5AL5EꢀANDꢀACTUATORꢀCONTROL

•ꢀDCꢀORꢀACꢀPOWERꢀREGULATOR

•ꢀFIXEDꢀFREQUENCYꢀPOWERꢀOSCILLATOR

8-PINꢀTO-3

PACKAGEꢀSTYLEꢀCE

3_'ꢃꢄ

ꢄ

4&/4&ꢄ)*

ꢀꢁꢂ7

3_$-ꢀꢄ

ꢄ

065

ꢃꢆ7

%"$

3_*/ꢃ

3_*/ꢂ

3_8ꢄ

ꢄ

DESCRIPTION

1"ꢅꢃ

The PA61 and PA61A are high output current operational

ampliﬁers designed to drive resistive, inductive and capaci-

tive loads. Their complementary emitter follower output stage

is the simple class C type and optimized for low frequency

applications where crossover distortion is not critical. These

ampliﬁers are not recommended for audio, transducer or

deﬂection coil drive circuits above 1kHz or when distortion is

critical. The safe operating area (SOA) is fully speciﬁed and

can be observed for all operating conditions by selection of

user programmable current limiting resistors. Both ampliﬁers

are internally compensated for all gain settings. For continu-

ous operation under load, mounting on a heatsink of proper

rating is recommended.

This hybrid circuit utilizes thick ﬁlm conductors, ceramic

capacitors, and semiconductor chips to maximize reliabil-

ity, minimize size, and give top performance. Ultrasonically

bonded aluminum wires provide reliable interconnections at

all operating temperatures. The 8-pin TO-3 package is electri-

cally isolated and hermetically sealed. The use of compres-

sible thermal washers and/or improper mounting torque

voids the product warranty. Please see “General Operating

Considerations”.

3_$-mꢄ

ꢄ

-0"%

ꢄ

mꢁꢂ7

^'ꢂꢄ4&/4&ꢄ-0

35/_ꢄꢄ

3_8ꢄ

ꢄ

'*(63&ꢄꢃꢇꢄ130(3".."#-&ꢄ108&3ꢄ4611-:ꢄ

8*5)ꢄ3&.05&ꢄ4&/4*/(

TYPICALꢀAPPLICATION

Due to its high current drive capability, PA61 applications

oftenutilizeremotesensingtocompensateIRdropsinthewir-

ing. The importance of remote sensing increases as accuracy

requirements, output currents, and distance between ampli-

ﬁer and load go up. The circuit above shows wire resistance

from the PA61 to the load and back to the local ground via

the power return line. Without remote sensing, a 7.5A load

current across only 0.05 ohm in each line would produce a

0.75V error at the load.

With the addition of the second ratio matched R_F/R_INpair

and two low current sense wires, IR drops in the power return

line become common mode voltages for which the op amp

has a very high rejection ratio. Voltage drops in the output and

powerreturnwiresareinsidethefeedbackloop. Therefore, as

long as the Power Op Amp has the voltage drive capability to

overcometheIRlosses, accuracyremainsthesame. Applica-

tion Note 7 presents a general discussion of PPS circuits.

EQUI5ALENTꢀSCHEMATIC

ꢃ

ꢇ

2ꢂ"

ꢇ

2ꢂ#

ꢀ

ꢂ

ꢁ

EXTERNALꢀCONNECTIONS

3_$-ꢉ

ꢇ

2ꢃ

2ꢅ

ꢅ

ꢆ

-ꢉ

"ꢂ

ꢂ

ꢉ7₄

ꢃ

065

ꢁ

065165

ꢄ

ꢉ*/

m*/

501ꢀ7*&8

$ꢂ

ꢅ

3_$-m

ꢇ

2ꢄ#

ꢈ

ꢆ

ꢇ

2ꢄ"

ꢇ

-m

m7₄

/ꢊ$ꢊ

ꢄ

Cirrus Logic, Inc.

NOV 2007

PA61Uꢀ ꢀ

ꢀ

http://www.cirrus.com

PA61U rev K

12 3 4 5

中文翻译

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