Datasheet > PA46

PA46

更新时间： 2024-11-27 03:43:35

品牌	Logo	应用领域
APEX		运算放大器高压高电压电源
页数	文件大小	规格书
4页	68K
描述
HIGH VOLTAGE POWER OPERATIONAL AMPLIFIER

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数据手册

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PA46 数据手册

HIGH VOLTAGE POWER OPERATIONAL AMPLIFIER

PA46

HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739

FEATURES

• MONOLITHIC MOS TECHNOLOGY

• PROGRAMMABLE I_Q(5 or 50 mA MAX)

• LOW COST

• HIGH VOLTAGE OPERATION—150V

• HIGH SLEW RATE—27V/µs

• HIGH POWER—5A, 75W DISSIPATION

APPLICATIONS

• MAGNETIC DEFLECTION

• PA AUDIO

• MOTOR DRIVE

• NOISE CANCELLATION

TYPICAL APPLICATION

DESCRIPTION

+80

The PA46 is a high power monolithic MOSFET operational

amplifierthatachievesperformancelevelsunavailableevenin

many hybrid amplifier designs. Inputs are protected from

excessive common mode and differential mode voltages as

wellasstaticdischarge. Thesafeoperatingarea(SOA)hasno

second breakdown limitations and can be observed with all

type loads by choosing an appropriate current limiting resistor.

Externalcompensationprovidestheuserflexibilityinchoosing

optimum gain and bandwidth for the application. Class C

operation with resulting low quiescent current is pin program-

mable. A shutdown input turns off the output stage.

R_C

C_C

V_I

R_CL

PA46

R_I

C_F

R_D

YOKE

–20

R_F

This circuit utilizes a beryllia oxide (BeO) substrate to

minimize thermal resistance. The 10-pin power SIP package

is electrically isolated.

R_S

±2.5A 7µSec Retrace

Horizontal Deflection Coil Amplifiers

Horizontal deflection amplifiers require both high speed and

EQUIVALENT SCHEMATIC

low distortion. The speed at which current can be changed in a

deflection coil is a function of the voltage available from the op

amp. In this application an 80 volt power supply is used for the

retrace polarity to provide a 7 µSec retrace time, half of which is

required for amplifier slewing. This circuit can perform 15.75

KHz deflection in up to 50µH coils at up to 5A p-p.

+V_S

Q24

SHDN

Q5 Q6

OUTPUT

DRIVE

Q10

EXTERNAL CONNECTIONS

Package: SIP02

OUTPUT

Q13

CC1

R_CL

R_C

Q14

CURRENT

SENSE

–IN

Q15

Q16

Q11

Q12

9 CC2

C_C

Q17

+IN

Q20

Q21

Q19

–V_S

+V_SI_QC_C1C_C2I_LIM

–IN +IN SHDN

OUT

–V_S

_Cis NPO rated for full suppy voltage.

Phase Compensation

Gain

≥10

≥ 1

C_C

10pF

68pF

R_C

1KΩ

APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com

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