Datasheet > OPA569AIDWP

OPA569AIDWP

更新时间： 2024-11-29 02:58:19

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器
页数	文件大小	规格书
28页	1105K
描述
Rail-to-Rail I/O, 2A POWER AMPLIFIER

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OPA569AIDWP 数据手册

OPA569

SBOS264A – DECEMBER 2002 – REVISED DECEMBER 2003

Rail-to-Rail I/O, 2A

POWER AMPLIFIER

DESCRIPTION

FEATURES

The OPA569 is a low-cost, high-current, operational amplifier

designed for driving a wide variety of loads while operating on

low-voltage supplies. It operates from either single or dual

supplies for design flexibility and has rail-to-rail swing on the

input and output. Typical output swing is within 150mV of the

supply rails, with output current of 2A. Output swing closer to

the rails is achievable with lighter loads.

● HIGH OUTPUT CURRENT: 2A

● OUTPUT SWINGS TO: 150mV of Rails with I_O= 2A

● THERMAL PROTECTION

● ADJUSTABLE CURRENT LIMIT

● TWO FLAGS: Current Limit and Temperature

Warning

The OPA569 is unity-gain stable, has low dc errors, is easy

to use, and free from the phase inversion problems found in

some power amplifiers. High performance is maintained at

voltage swings near the output rails.

● LOW SUPPLY VOLTAGE OPERATION: 2.7V to 5.5V

● SHUTDOWN FUNCTION WITH OUTPUT DISABLE

● SMALL POWER PACKAGE: SO-20 PowerPAD™

The OPA569 provides an accurate user-selected current

limit that is set with an external resistor, or digitally adjusted

via a Digital-to-Analog Converter.

APPLICATIONS

● THERMOELECTRIC COOLER DRIVER

● LASER DIODE PUMP DRIVER

● VALVE, ACTUATOR DRIVER

● SYNCHRO, SERVO DRIVER

● TRANSDUCER EXCITATION

The OPA569 output can be independently disabled using the

Enable pin, saving power and protecting the load.

The I_MONITORpin provides a 1:475 bidirectional copy of the

output current. This eliminates the need for a series current

shunt resistor, allowing more voltage to be applied to the

load. This pin can be used for simple monitoring, or feedback

control to establish constant output current.

● GENERAL LINEAR POWER BOOSTER FOR

OP AMPS

Two flags are provided: one for warning of thermal over-

stress, and one for current limit condition. The Thermal Flag

pin can be connected to the Enable pin to provide a thermal

shutdown solution.

● PARALLELING OPTION FOR HIGHER

CURRENT APPLICATIONS

Current

Limit

Flag

Thermal

Flag

V+

12,13

Enable

Packaged in the Texas Instruments PowerPAD™ package,

it is small and easy to heat-sink. The OPA569 is specified for

operation over the industrial temperature range, –40°C to

+85°C.

(1)

–In

Parallel Out 1

V_O

14, 15

OPA569

Parallel Out 2

+In

I = I_O/475

Current

Limit

Set

17, 18

NOTE: (1) Connect

for thermal protection.

R_SET

V–

I_MONITOR

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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OPA569AIDWP 替代型号

型号	品牌	替代类型	描述	数据表
OPA569AIDWPR	TI	功能相似	Rail-to-Rail I/O, 2A POWER AMPLIFIER
OPA544T	TI	功能相似	High-Voltage, High-Current OPERATIONAL AMPLIFIER
OPA567AIRHGT	TI	功能相似	Rail-to-Rail I/O, 2A POWER AMPLIFIER

与OPA569AIDWP相关器件

型号	品牌	获取价格	描述	数据表
OPA569AIDWPG4	TI	获取价格	Power Op Amp, Output Signal Swings Within 200mV of Rails at 2A Output Current 20-SO PowerP
OPA569AIDWPR	BB	获取价格	Rail-to-Rail I/O, 2A POWER AMPLIFIER
OPA569AIDWPR	TI	获取价格	Rail-to-Rail I/O, 2A POWER AMPLIFIER
OPA569AIDWPRG4	TI	获取价格	Power Op Amp, Output Signal Swings Within 200mV of Rails at 2A Output Current 20-SO PowerP
OPA5723YGO	KODENSHI	获取价格	Yellow Green LED Chip
OPA5816	KODENSHI	获取价格	Yellow LED Chip
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OPA593	TI	获取价格	85V、100µV、宽带宽 (10MHz)、高输出电流 (250mA) 精密运算放大器
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OPA593DNTR	TI	获取价格	85V、100µV、宽带宽 (10MHz)、高输出电流 (250mA) 精密运算放大器 \|

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