| Allicdata Part #: | AD538AD-ND |
| Manufacturer Part#: |
AD538AD |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Analog Devices Inc. |
| Short Description: | IC MULT/DIV REALTIME ACU 18-CDIP |
| More Detail: | Analog Computational Unit 1-Quadrant 18-CDIP |
| DataSheet: |  AD538AD Datasheet/PDF |
| Quantity: | 2 |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Function: | Analog Computational Unit |
| Number of Bits/Stages: | 1-Quadrant |
| Package / Case: | 18-CDIP (0.300", 7.62mm) |
| Supplier Device Package: | 18-CDIP |
| Base Part Number: | AD538 |
Description
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AD538AD is one of the Linear – Analog Multipliers, Dividers. The device is designed for easy interfacing with single-ended and differential voltage inputs and/or currents without resorting to level shifting techniques. This article will discuss the applications and working principle of the device in detail.
Applications:
The AD538AD can be used in applications where multiplying, dividing or combining signals is necessary. In order to take full advantage of all its features and capabilities, the AD538AD should be used with a 9V wide rail supply and a single-ended or differential voltage like +/−5V. This device can also be used to perform differential-to-single-ended signal conversion.The device can also be used to build precision analog dividers, multi-counters, logarithmic-function derivatives, and high-precision analog filters. It is frequently used in end-point detection and under/over–voltage protection applications. Additionally, it can be used for the secure transmission of signals inputs for each analog input.Working Principle:
The AD538AD works in an open-loop configuration. In this configuration, the device takes an input signal and amplifies it by a factor of x2. The output is then sent to an internal comparator which compares the output to the reference input. If the output is greater than the reference, the comparator outputs a logic high signal, otherwise, a logic low signal is output.The comparator then adjusts the gains and lets the output either increase or decrease in order to reach the reference point. This loop remains open until the output is equal to the reference, thereby creating a multiplied value. To reach a multiplier value of two, the current will be limited by a resistor between 20-100kΩ. The device can also be used in a closed-loop configuration which only requires resistor biasing to remain within the manufacturer’s recommended operating voltage range. The output of the device is adjusted by an internal feedback loop until it reaches the desired gain/division ratio. This closed-loop configuration requires two voltage references, one for the gain and one for the division. These references do not have to be exact, but should be within the required operating range. The AD538AD also supports hysteresis, which simplifies operation at high gains. When hysteresis is enabled, the gain is adjusted up and down when the output voltage exceeds the reference voltage, thus providing better stability in the output signal.Conclusion:
In conclusion, the AD538AD is a versatile device that can be used for a variety of applications such as precision analog dividers, multi-counters, logarithmic-function derivatives, and high-precision analog filters. It can be used in an open-loop or closed-loop configuration, and supports hysteresis for improved stability. We hope this article has been informative and has provided an in-depth look at the device and its capabilities.The specific data is subject to PDF, and the above content is for reference
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