PA78

更新时间： 2024-11-09 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	314K
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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PA78 数据手册

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PA78

I C R O T E C H N O L O G Y

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FEATURES

• A UNIQUE (Patent Pending) TECHNIQUE FOR VERY

LOW QUIESCENT CURRENT

• OVER 350 V/µS SLEW RATE

• WIDE SUPPLY VOLTAGE

• Single Supply: 20V to 350V

• Split Supplies: +/– 10V to +/– 175V

• OUTPUT CURRENT– 150mA cont. ; 200mA Pk

• UP TO 23 WATT DISSIPATION CAPABILITY

• OVER 200 kHz POWER BANDWIDTH

20–PIN PSOP

PACKAGE STYLE DK

12–PIN SIP

PACKAGE STYLE EU

LEAD FORM EW

APPLICATIONS

• PIEZOELECTRIC POSITIONING AND ACTUATION

• ELECTROSTATIC DEFLECTION

• DEFORMABLE MIRROR ACTUATORS

TYPICAL APPLICATION

• CHEMICAL AND BIOLOGICAL STIMULATORS

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DESCRIPTION

The PA78 is a high voltage, high speed Precision IC power

opampwithperformanceanduniquefeaturesnotfoundprevi-

ously in any commercially available OpAmp .

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Novelinputstagedesignofthisampliﬁerprovidesextremely

high slew rates in pulse applications while maintaining low

quiescent current of under 1mA. This novel input stage also

has the effect of adding variables to the power response and

slew rate characteristics of the ampliﬁer. To a lesser degree,

there are also input related effects on unity gain bandwidth

and phase. It is important to note that the slew rate is a strong

functionofinputvoltageamplitude.Itshouldbenotedthatthe

package tab needs to be connected to a stable reference

such as GND for high slew rates. Please refer to special

considerations section for details.

The output stages are well protected with user deﬁned

current limit although the Safe Operating Area (SOA) must

be observed for reliable protection. Proper heatsinking is

required for maintaining maximum reliability. External phase

compensation provides the user with great ﬂexibility in trading

gain, stability and bandwidth.

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The PA78 is ideally suited to driving continuous drop ink jet

systems, in both piezo actuation and deﬂection applications.

Thedeﬂectionampliﬁershownaboveachievesaccuratedroplet

displacement at high speeds to deposit crisp, clear lot code

informationonproductcontainers.Theexternalcompensation

networks have been optimized to match the gain of the circuit

and the complex impedance of the load. The combination of

high voltage and high speed allow repeatable low cost deﬂec-

tion of droplets for high production environments.

BLOCK DIAGRAM

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

12 3 4 5

中文翻译

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与PA78相关器件

型号	品牌	获取价格	描述	数据表
PA78_07	CIRRUS	获取价格	POWER OPERATIONAL AMPLIFIER
PA78EW	CIRRUS	获取价格	Operational Amplifier, 1 Func, 25000uV Offset-Max, MOS, ROHS COMPLIANT, SIP-12
PA-78P0018	ETC	获取价格	Two Great Forces in the 8-bit Realm Pamphlet \| Pamphlet[09/2002]
PA-78P0208	ETC	获取价格	Two Great Forces in the 8-bit Realm Pamphlet \| Pamphlet[09/2002]
PA-78P0308	ETC	获取价格	Two Great Forces in the 8-bit Realm Pamphlet \| Pamphlet[09/2002]
PA79	CIRRUS	获取价格	POWER OPERATIONAL AMPLIFIERS
PA79	APEX	获取价格	POWER OPERATIONAL AMPLIFIERS
PA79_07	CIRRUS	获取价格	POWER OPERATIONAL AMPLIFIERS
PA8001	ETC	获取价格	TOOL HAND CRIMPER COAX SIDE 3PC
PA-800-102G-05	ETC	获取价格	PRESSURE TRANSDUCERS WITH AMP.

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