SA5532AD

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SA5532AD is a high-precision bipole dual op-amp device intended for use in applications such as sample-and-hold circuits, A/D and D/A converters, and instrumentation devices. It is designed to provide superior performance over the industry standard uA741 device, offering superior DC precision (VIO) with only marginally increased power consumption. The SA5532AD is available in a hermetically sealed 14-pin PDIP package and operates with supply voltages of +5V to +15V and -5V to -15V.

Application Field

The SA5532AD is an industry-standard high-speed dual-channel op-amp that is ideal for a variety of exigent high-precision, low-power applications. It is designed for part-to-part uniformity, low noise, and excellent DC and frequency stability. For many applications, the SA5532AD is an ideal choice for low-power, low-voltage instrumentation and oscilloscope designs.

The SA5532AD is often used for precision audio input, wideband frequency-dependent circuits, sample-and-hold circuits, A/D and D/A converters, and basic instrumentation circuits.

Other applications include switching power supplies, power amplifiers, high-voltage regulators, analog simulation circuitry, resistance bridges, and high-precision active filters.

Working Principle

The SA5532AD is a dual high-speed op-amp consisting of two independent, wide-bandwidth stages, each with a separate power supply line. The amplifier operates over a wide range of supply voltages, with very low intrinsic power consumption.

The first stage, referred to as the input stage, is a low-gain differential stage that provides high-performance input characteristics, including very low offset voltage (VIO) and low input bias current. The second stage is a high-gain common source amplifier that provides high open-loop gain and low output impedance for driving low input impedance loads.

The SA5532AD has two independent temperature compensation networks that allow it to maintain its high performance over a wide temperature range (-40°C to +85°C). This unique feature helps ensure better uniformity between parts and improved long-term stability.

The SA5532AD is also fully-protected against short circuits, thermal overload, and excessive output current. The device is also completely free of latch-up and stability issues.

In sum, the SA5532AD is an ideal IC for applications that require high precision and wideband operation, low noise and power, as well as high immunity to environmental conditions and temperature variations.

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