ALD1702ASAL

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ALD1702ASAL is an integrated circuit specifically designed for direct drive applications in instrumentation and adjustable gain blocks. It is based on an upgrade of the widely popular Analog Devices LT346 and takes advantages of a balanced switching architecture for greater precision and dynamic range. As a direct drive amplifier, the ALD1702ASAL offers an output bandwidth of 200 MHz, as well as a gain/bandwidth product of 15GHz. This makes it an ideal choice for precision applications that require both discerning response to small signals and high-speed performance.

The amplifier’s differential input and output structure is a testament to the high level of precision the ALD1702ASAL offers compared to single-ended amps. This type of architecture creates a ground referenced output which is more immune to noise and distortion. The amplifier’s input circuitry and design are optimized for close-in linearity and gain accuracy and with an input bandwidth of 600MHz, it is ideal for precision buffering of data signals.

The ALD1702ASAL uses a wide range of input and output features for precision gain and feedback control. Input mode selectors enable the amplifier to switch between true rail-to-rail operation and a 0 - 5V range, while output mode selectors offer adjustable gain from 1 - 100mV/V and adjustable offsets from -10% to +15%. Finally, the line frequency compensation ensures that the amplifier maintains a constant peak current drive throughout the full output range.

The ALD1702ASAL features a low distortion output drive to 1/4 of its maximum voltage swings at 1MHz, and its low input offset voltage combined with its high input bias current make it an ideal choice for high gain and wide bandwidth applications. The ALD1702ASAL also includes an integrated temperature compensated temperature sensor providing a temperature measurement range of -55 to +150°C. The amplifier’s wide temperature range makes it suitable for remote applications.

In addition, the integrated circuit incorporates low power CMOS technology with a very low power consumption of only 300mW. This makes it possible to run the entire device on a single 5V supply, eliminating the need for separate voltage supplies for individual components. This reduces the overall cost of the application and simplifies the design of the board.

In conclusion, the ALD1702ASAL is a very versatile, high performance integrated amplifier for instrumentation and adjustable gain blocks. With its differential inputs and outputs, adjustable gains, line frequency compensation and temperature sensing capabilities, the ALD1702ASAL is an excellent choice for applications requiring precision and flexibility.

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