OPA3832IPWRG4

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OPA3832IPWRG4 is an integrated, ultra-low-power, high-performance, rail-to-rail audio preamplifier with gain control. It contains a low-noise preamplifier, a gain-setting resistor, and an output amplifier. OPA3832IPWRG4 is an ideal choice for audio systems that need to conserve power while providing good sound quality.

Application Field

The OPA3832IPWRG4 belongs to the family of linear amplifiers, video amps, and modules, and is optimized for applications requiring low power consumption. The OPA3832IPWRG4 is ideally suited for battery-operated audio applications, including portable music players, mid-to-high-end portable audio, mobile phones, and tablets. OPA3832IPWRG4 also offers excellent voltage noise performance for applications requiring high-end sound quality.

Working Principle

The OPA3832IPWRG4 provides a low-noise preamplifier with gains programmable from 500μV/V to 11V/V. The preamplifier is designed to interface with a wide variety of transducers, such as microphones, horns, motion sensors, pressure sensors, and microphones. It also features a programmable gain stage that allows for precise gain control. The output amplifier provides rail-to-rail output without affecting input bias current, which helps to preserve the dynamic range of the input signals. The output amplifier is designed to drive the load directly, meaning that there is no need for an additional voltage source or buffer circuit.

The low power operation of the OPA3832IPWRG4 is achieved by using its low supply voltages and is made possible by using its advanced CMOS technology. The OPA3832IPWRG4 also features thermal shutdown protection and reverse voltage protection. This makes it well suited for harsh environments where high reliability is required.

The OPA3832IPWRG4 is an excellent choice for audio systems that require a low-noise preamplifier, adjustable gain control, and power efficiency. Its low power operation, combined with its wide input dynamic range, make it suitable for a wide range of audio systems. The OPA3832IPWRG4 also provides excellent voltage noise performance, making it ideal for applications requiring high-end sound quality.

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