WM9082ECSN/R Integrated Circuits (ICs)

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The WM9082ECSN/R is a high performance compact device well-suited for audio linear applications. It is one of the latest additions to the Wolfson Audio range and is designed to provide superior audio performance in both mobile and consumer applications. The device can be used as a pre-amplifier, headphone amplifier or an adjustable gain control for a variety of applications. This article will discuss the applications and working principles for the WM9082ECSN/R.

WM9082ECSN/R Applications

The Wolfson Audio range of devices provides high performance solutions for a variety of audio applications. The WM9082ECSN/R is ideal for pre-amplifier, headphone and adjustable gain control applications. It is designed to provide optimum distortion and noise performance when used as a pre-amplifier, allowing it to be used in a variety of multimedia applications. The device also provides gain control capabilities allowing it to be used as a headphone amplifier. The enhanced headroom and distortion performance make it well-suited to headphone amplifier applications.

The device is also suitable for multi-channel applications, such as those found in home theatre systems. With its step-less gain control, the device can be used to control the output level of each channel enabling the audio to be adjusted to the desired level for each individual channel.

The WM9082ECSN/R can be deployed in a variety of consumer application such as mobile phones, portable media players and notebook computers. The device is also suitable for use in automotive applications and is designed to meet stringent safety and vibration requirements.

WM9082ECSN/R Working Principle

The WM9082ECSN/R operates by employing various control signals, audio inputs and analog gains. The device utilizes two independent control signals which can be configured to control the Gain1 and Gain2. Gain1 is used to control the amplifier gain while Gain2 is used to adjust the output offset. The device also has a pair of differential audio inputs, with the first input being used to provide the audio signal while the second is used to sense the common-mode voltage.

The device employs an open-loop compensation architecture, which allows the device to maintain its performance over a wide temperature range. This open-loop compensation also ensures that the device does not require temperature compensation and is capable of operating over a temperature range as low as -40°C to +105°C.

The device incorporates a thermal limitation and overload detection circuitry which ensures that the device does not exceed its maximum rated output power. The thermal limitation circuitry limits the output current of the device and the overload detection circuitry monitors the input signals in order to detect any excessive signal levels.

The WM9082ECSN/R also incorporates a low power shutdown mode, which allows the device to enter a low power state when not in use. This feature ensures that the device does not waste power when not in active operation. The device can also be placed in a mute state allowing it to operate at minimal power while still being able to monitor any input signals.

Conclusion

The WM9082ECSN/R is a high performance device designed for audio linear applications such as pre-amplifier, headphone and adjustable gain control. The device incorporates various control signals, audio inputs and adjustable gains, allowing it to be used in a range of applications. The device also incorporates thermal limitation and overload detection circuitry, ensuring that the device does not exceed its maximum rated power and also that it does not waste power when not in operation. The WM9082ECSN/R is well-suited for use in mobile and consumer applications, providing superior audio performance in these market segments.

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