The OPA455 is a high-voltage (150-V), high current drive (45-mA), unity-gain stable operational amplifier with a gain-bandwidth product of 6.5 MHz and slew rate of 32 V/us. As a result of the amplifier wide output range, this device is an excellent choice for high-voltage piezo driving, avalance photodiode biasing, and high-voltage Howland current pump or voltage output stages.
The OPA455 is internally protected against overtemperature conditions and current overloads. The device is fully specified to perform over a wide power-supply range of ±6 V to ±75 V, or on a single supply of 12 V to 150 V. The status flag is an open-drain output that allows the device to be easily referenced to standard, low-voltage, logic circuitry. This high-voltage operational amplifier provides excellent accuracy and wide output swing, and is free from phase-inversion problems that are often found in similar amplifiers.
The output can be disabled using the enable-disable (E/D) pin. The E/D pin has a common return pin to allow for easy interface to low-voltage logic circuitry. This disable is accomplished without disturbing the input signal path, not only saving power but also protecting the load.
| Documentación principal | Tipo | Título | Opciones de formato | Fecha |
|---|---|---|---|---|
| * | Data sheet | OPA455 High-Voltage (150-V), Wide-Bandwidth (6.5-MHz), High Output Current (45-mA), Unity-Gain Stable Op Amp datasheet | PDF | HTML | 27 oct 2020 |
| Application note | Techniques for Extending the Usable Power Supply Range of the OPA462 | PDF | HTML | 24 mar 2021 | |
| Application brief | How to Select Precision Amplifiers for Semiconductor Testers (Rev. A) | PDF | HTML | 03 dic 2020 | |
| Certificate | OPA455EVM EU Declaration of Conformity (DoC) | 13 jul 2020 |
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Analog Engineer's Calc Installer
General calculator tool for analog design support.