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AD8310

AD8310

Analog Devices
Another ADI log detector option in the same family for designers looking for alternate frequency or package tradeoffs.
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Overview

The AD8310 is a high-speed, multistage demodulating logarithmic amplifier capable of accurately converting a wide-range RF input signal into a decibel-scaled DC voltage. Operating from 2.7V to 5.5V, it provides a dynamic range of up to 95dB with a bandwidth extending to 440MHz, making it suitable for high-precision signal strength measurements.

Why Choose This Part

The AD8310 offers exceptional speed with a 1600V/us slew rate and a fast 15ns response time. Its integrated nature, including a built-in oscillator and a 0.4 percent accuracy rating, simplifies board design by reducing the need for external calibration components.

Applications

RSSI Measurement
Providing high-precision Received Signal Strength Indication in cellular and wireless networking receivers.
Transmitter Power Control
Monitoring and regulating output power in RF power amplifier feedback loops.
Radar and Sonar Processing
Detecting low-level signals in high-dynamic-range pulse environments.
Low-Frequency Signal Analysis
Utilizing the DC-coupled signal path for accurate logarithmic measurement in medical and industrial instrumentation.

Key Specifications

Type Logarithmic Amplifier
Applications Receiver Signal Strength Indication (RSSI)
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP

Getting Started

Evaluation can be performed using the AD8310-EVALZ board to verify RF performance and response times. When designing the PCB layout, ensure a low-impedance ground plane and proper decoupling of the VPOS pin to maintain the 95dB dynamic range and minimize noise.

Part of Analog Devices Logarithmic Detectors family » AD8310

AD8310 Family

Part NumberDifferenceStock
AD8310ACBZ-P7 ACBZ-P7 —

Also Consider

AD8307ARZ Analog Devices - A common 500MHz log amp suitable for lower speed applications that requires less supply current.
ADL5513 Analog Devices - Offers a wider 4GHz frequency range for modern microwave and high-frequency wireless designs.