ALD2702SAL

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ALD2702SAL is a single-channel, low powered, double-balancing operational amplifier with an output stage. Its versatility makes it ideal for use in audio, instrumentation, and optical communication applications. The ALD2702SAL is suitable for both non-amplified and digitally amplified signal paths, meaning it is capable of both low-power and high-power amplification. It has a low input offset voltage, wide bandwidth, high slew rate, and wide common-mode range. This makes it ideal for single-supply applications with high precision, such as audio and instrumentation systems.

Features

• Input offset voltage: 10mV maximum
• Wide bandwidth: 1MHz typical
• High slew rate: 230V/µs typical
• Wide common-mode range: ± 3.5V
• Low power consumption
• Excellent input-referred noise performance: 11.3nV/√Hz typical
• Small footprint: SO-8 and SOT-23 packages available

Applications

The ALD2702SAL is designed for use in a wide range of instrumentation applications. It is well-suited to process control, monitoring, and audio pre-amplification; due to its low input offset voltage, wide bandwidth, and high slew rate. It is also suitable for applications requiring high performance from a low-power amplifier, such as portable audio and optical communication systems. Additionally, its wide common-mode range and excellent input-referred noise performance make it ideal for low-noise biomedical applications, including medical imaging and other bio-sensing markets.

Working Principle

The ALD2702SAL is a single-channel, double-balancing operational amplifier with an output stage. It consists of two independent amplifier stages, each featuring a pair of complementary metal-oxide-semiconductor (CMOS) transistors. The two stages are connected as an inverting amplifier, with external components providing the necessary gain and feedback. The first stage provides the input voltage rejection, while the second stage provides the output current gain. The ALD2702SAL\'s output stage consists of a pair of complementary bipolar transistors, which provide the output voltage gain and balance the output current. This ensures that the amplifier is stable under all operating conditions and offers a wide practical supply range.

The ALD2702SAL has a low input offset voltage, wide bandwidth, high slew rate, and wide common-mode range. This combination of features makes it ideal for single-supply applications with high precision, such as audio and instrumentation systems. It is also capable of both low-power and high-power amplification. The amplifier is specified over a wide temperature range and meets the exacting performance requirements of a variety of audio and instrumentation applications.

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