OPA2132UG4

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The OPA2132UG4 is a monolithic integrated circuit (IC) used for a variety of audio applications. It is a two-channel, low-noise, dual-DC precision operational amplifier, with a high open-loop gain (120dB) and low offset voltage of 5 mV. The OPA2132UG4 has class A/B output stages, unity gain-bandwidth of 11 MHz and slew rate of 1 V/µs. It has been designed specifically for professional-quality audio applications, such as mixing consoles, equalisers and line drivers.

Application Field

The OPA2132UG4 is an ideal component for a wide variety of professional audio applications. Specifically, it is designed for low-noise, high-speed and low-offset audio enthusiasts. Some of the possible applications are:

• Mixing consoles
• Equalizers
• Line drivers
• Amplifiers
• Receivers

The OPA2132UG4 is capable of driving both balanced or unbalanced outputs, with its 150mA peak output current, yet providing <0.0007% total harmonic distortion. The OPA2132UG4 is also capable of driving capacitive loads up to 10nF without risk of oscillation, thus providing stability in applications where the output may have an extremely high capacitance load.

Working Principle

The OPA2132UG4 is an integrated circuit that employs the principle of a differential amplifier to perform linear amplification. Differential amplifiers work by taking two input signals and producing an output voltage based on the difference between the two inputs. In order to amplify the input signals, the OPA2132UG4 uses two transistors that are matched in order to keep them in balance at low-noise performance. The OPA2132UG4 also uses high-quality components and careful layout in order to achieve its high slew rate and open-loop gain.

In addition to its differential amplifier stage, the OPA2132UG4 also includes an internal protective circuit that guards against input voltages higher than the supply voltage. This works by limiting the maximum output, while still providing the full swing of the input signals. Furthermore, OPA2132UG4 employs an advanced bias temperature compensation system in order to ensure accurate and stable operation over a wide range of temperatures.

Finally, the OPA2132UG4 is designed to operate between 0 and 5V, and requires a voltage supply between 5 and 36V. Its output impedance is typically less than 10Ω, while its input impedance is typically 10kΩ, depending on the external load. Its power dissipation is 1.3W max and its operating temperature range is -40°C to +85°C.

The OPA2132UG4 is a versatile device that is well-suited for professional audio applications. With its low noise and low offset voltage, the OPA2132UG4 is ideal for driving high capacitive loads and achieving low THD in a wide range of applications.

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