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ADL5519ACPZ-R7

ADL5519ACPZ-R7

Analog Devices
RF Detector Dual Channel Log Detector
1,052 in stock

Overview

The ADL5519 is a dual-channel, log-responding RMS power detector capable of measuring RF signals from low frequencies up to 10 GHz. It provides two independent channels that can measure power simultaneously, making it ideal for determining gain or VSWR in complex RF chains. The device supports a wide dynamic range and maintains high accuracy over a temperature range of -40 to +125 degrees Celsius.

Why Choose This Part

The dual-channel architecture enables differential power measurement and gain calculation within a single 5x5mm LFCSP package. It operates from a supply voltage as low as 3.3V and includes a power-down mode that reduces current consumption to 1000 uA.

Applications

RF Transmitter PA Linearization
Monitoring and controlling power amplifier gain and linearity in wireless infrastructure.
Antenna VSWR Monitoring
Comparing forward and reflected power to detect antenna impedance mismatches.
Dual-Channel RSSI
Simultaneous Received Signal Strength Indicator measurement for diversity receivers or multi-carrier base stations.
Radio Link Power Control
Precise power monitoring and stabilization in point-to-point and point-to-multipoint microwave links.

Getting Started

Engineers should begin prototyping with the ADL5519-EVALZ evaluation board to verify log-slope and intercept performance. Ensure proper RF layout techniques, including the use of 50-ohm traces and adequate thermal grounding of the LFCSP paddle, to maintain accuracy at frequencies near 10 GHz.

Also Consider

AD8302 Analog Devices - Offers integrated phase measurement in addition to gain measurement for applications up to 2.7 GHz.
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