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OPA569

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Leistungs-Operationsverstärker, Ausgangssignal schwingt innerhalb von 200 mV von Schienen bei 2A Aus

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OPA569

AKTIV
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Produktdetails

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Iout (typ) (A) 2.4 GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 1.2 Vos (offset voltage at 25°C) (max) (mV) 2 Offset drift (typ) (V/°C) 0.0000013 Iq per channel (typ) (mA) 9 Features Adj Current Limit, Shutdown Rating Catalog Operating temperature range (°C) -55 to 125 Input bias current (max) (pA) 10 CMRR (typ) (dB) 90 Rail-to-rail In to V-, Out Architecture FET
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Iout (typ) (A) 2.4 GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 1.2 Vos (offset voltage at 25°C) (max) (mV) 2 Offset drift (typ) (V/°C) 0.0000013 Iq per channel (typ) (mA) 9 Features Adj Current Limit, Shutdown Rating Catalog Operating temperature range (°C) -55 to 125 Input bias current (max) (pA) 10 CMRR (typ) (dB) 90 Rail-to-rail In to V-, Out Architecture FET
HSOIC (DWP) 20 133.444125 mm² 12.825 x 10.405
  • HIGH OUTPUT CURRENT: 2A
  • OUTPUT SWINGS TO: 150mV of Rails with IO =2A
  • THERMAL PROTECTION
  • ADJUSTABLE CURRENT LIMIT
  • TWO FLAGS: Current Limit and Temperature Warning
  • LOW SUPPLY VOLTAGE OPERATION: 2.7V to 5.5V
  • SHUTDOWN FUNCTION WITH OUTPUT DISABLE
  • SMALL POWER PACKAGE: SO-20 PowerPAD™
  • APPLICATIONS
    • THERMOELECTRIC COOLER DRIVER
    • LASER DIODE PUMP DRIVER
    • VALVE, ACTUATOR DRIVER
    • SYNCHRO, SERVO DRIVER
    • TRANSDUCER EXCITATION
    • GENERAL LINEAR POWER BOOSTER FOR OP AMPS
    • PARALLELING OPTION FOR HIGHER CURRENT APPLICATIONS

PowerPAD is a trademark of Texas Instruments.
  • HIGH OUTPUT CURRENT: 2A
  • OUTPUT SWINGS TO: 150mV of Rails with IO =2A
  • THERMAL PROTECTION
  • ADJUSTABLE CURRENT LIMIT
  • TWO FLAGS: Current Limit and Temperature Warning
  • LOW SUPPLY VOLTAGE OPERATION: 2.7V to 5.5V
  • SHUTDOWN FUNCTION WITH OUTPUT DISABLE
  • SMALL POWER PACKAGE: SO-20 PowerPAD™
  • APPLICATIONS
    • THERMOELECTRIC COOLER DRIVER
    • LASER DIODE PUMP DRIVER
    • VALVE, ACTUATOR DRIVER
    • SYNCHRO, SERVO DRIVER
    • TRANSDUCER EXCITATION
    • GENERAL LINEAR POWER BOOSTER FOR OP AMPS
    • PARALLELING OPTION FOR HIGHER CURRENT APPLICATIONS

PowerPAD is a trademark of Texas Instruments.

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.

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.

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.

The OPA569 output can be independently disabled using the Enable pin, saving power and protecting the load.

The IMONITOR pin 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.

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.

Packaged in the Texas Instruments PowerPAD™ package, it is small and easy to heat sink. The OPA569 is specified for operation over the extended industrial temperature range, –40°C to +85°C.

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.

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.

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.

The OPA569 output can be independently disabled using the Enable pin, saving power and protecting the load.

The IMONITOR pin 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.

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.

Packaged in the Texas Instruments PowerPAD™ package, it is small and easy to heat sink. The OPA569 is specified for operation over the extended industrial temperature range, –40°C to +85°C.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet OPA569: Rail-To-Rail I/O, 2A Power Amplifier datasheet (Rev. A) 22 Okt 2003
E-book An Engineer’s Guide to Designing with Precision Amplifiers 29 Apr 2021
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mär 2017
Application note Power Amplifier Stress and Power Handling Limitations 27 Sep 2000

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Simulationsmodell

OPA569 PSpice Model (Rev. C)

SBOC003C.ZIP (33 KB) - PSpice Model
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Simulationsmodell

OPA569 TINA-TI Current Limiting Reference Design (Rev. A)

SBOM357A.TSC (103 KB) - TINA-TI Reference Design
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Simulationsmodell

OPA569 TINA-TI Reference Design (Rev. A)

SBOM356A.TSC (125 KB) - TINA-TI Reference Design
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Simulationsmodell

OPA569 TINA-TI Spice Model (Rev. A)

SBOM355A.ZIP (9 KB) - TINA-TI Spice Model
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HSOIC (DWP) 20 Ultra Librarian
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Bestellen & Qualität

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  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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  • Montagestandort

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