AD8302ARU

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AD8302ARU

+BOM

IC RF DETECT 2.7GHZ 14TSSOP

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Specifications

Attribute Value
Part Status Obsolete
Frequency 2.7GHz
RF Type General Purpose
Input Range -60dBm ~ 0dBm
Accuracy ±0.5dB
Voltage - Supply 2.7V ~ 5.5V
Current - Supply 23 mA
Mounting Type Surface Mount
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-TSSOP
Base Product Number AD8302

Overview

Description

The AD8302ARU is an integrated circuit from Analog Devices designed for RF/IF gain and phase measuring applications. It is particularly useful in systems that require precise measurement of signal properties, such as in RF power amplifier linearization, antenna monitoring, and phased array systems.
The AD8302ARU simultaneously measures the magnitude and phase difference between two input signals. It operates over a frequency range from low frequencies up to 2.7 GHz, making it versatile for various communication and instrumentation applications. The device provides a DC voltage output proportional to the log magnitude ratio of the inputs, as well as a voltage proportional to the phase difference.
Key features include high dynamic range, wide bandwidth, and low power consumption, typically around 40 mW. It is available in a compact 14-lead TSSOP package, suitable for space-constrained designs. Its simple interface allows for easy integration into systems, often requiring minimal external components. Designed for both ease of use and accuracy, the AD8302ARU is a reliable choice for engineers needing precise RF measurements.

Equivalent

The AD8302ARU is a dual logarithmic amplifier designed for RF and microwave applications. Equivalent products include the MAX2016 from Maxim Integrated, the LMH2120 from Texas Instruments, and the LT5534 from Analog Devices. These alternatives offer similar RF power detection and measurement capabilities. Always review the datasheets to ensure compatibility in terms of operating frequency range, dynamic range, and application requirements.

Features

The AD8302ARU is an integrated RF/IF gain and phase detector designed for high-precision RF measurement applications. Key features include:
1. Frequency Range: Operates over a wide frequency range from low frequencies up to 2.7 GHz, making it versatile for various RF applications.
2. Measurement: Capable of providing simultaneous measurements of the gain ratio and phase difference between two input signals.
3. Dynamic Range: Offers a dynamic range of 30 dB for gain measurement and phase measurement accuracy of ±1 degree.
4. Single Supply Operation: Functions with a single power supply ranging from 2.7 V to 5.5 V.
5. Output: Provides linear-in-dB and linear-in-phase voltage outputs that are convenient for interface with ADCs or microprocessors.
6. Low Power Consumption: Designed for low power operation, consuming approximately 20 mA.
7. Package: Available in a compact 14-lead TSSOP package, enhancing its suitability for space-constrained applications.
8. Applications: Ideal for use in RF/IF signal processing, antenna array processing, and in systems requiring precise gain and phase measurements like radar and communications systems.

Pinout

The AD8302ARU is an RF/IF gain and phase detector IC manufactured by Analog Devices. It typically comes in a 14-lead TSSOP (Thin Shrink Small Outline Package) with the following pin count and general functions:
1. Pins: The AD8302ARU has 14 pins.

2. Function:
- RF Inputs (INPA, INPB): The device has two RF inputs (pins) for signal comparison.
- VMAG and VPHS: These pins output the magnitude and phase difference between the two input signals.
- VSET: This pin allows for setting a reference voltage for various configurations.
- Offset Adjust: Used for adjusting the offset voltage, typically via an external resistor.
- VPOS and GND: Power supply and ground pins for device operation.
- Comprehensive Functionality: It compares the amplitude and phase of two input signals, providing an output voltage proportional to these differences.
This IC is useful in RF applications for signal strength and phase measurement, featuring a wide frequency range and sensitive detection capability.

Manufacturer

The AD8302ARU is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Their products are used in a wide range of applications, including communications, industrial, automotive, healthcare, and consumer electronics. Analog Devices is known for its innovation in analog technology and high-performance semiconductor solutions.

Application

The AD8302ARU is an RF/IF gain and phase detector used in various applications, including RF signal strength measurement, antenna alignment, and phased array radar systems. It's also utilized in instrumentation for vector network analysis and in wireless communication systems for gain and phase monitoring. Additionally, it's employed in process control and feedback loops in RF amplifiers and mixers. Its ability to accurately detect gain and phase differences makes it suitable for use in systems requiring precise RF signal characterization and calibration.

Package

The AD8302ARU is housed in a 14-lead TSSOP (Thin Shrink Small Outline Package), featuring a compact design suitable for surface-mounted applications.