AD8309ARU - Analog Devices Inc.

Manufacturer Part Number

AD8309ARU

Manufacturer

Analog Devices, Inc.

Introduction

The AD8309 is a high-performance, DC-coupled, logarithmic amplifier that converts a wide range of input signal levels into a corresponding DC output voltage.

Product Features and Performance

Wide dynamic range of 60 dB

Highly linear in the log domain

Fast response time of 2.5 μs

Low input offset voltage of ±1 mV

Low input bias current of ±1 nA

Rail-to-rail output swing

Operates on a single 5 V supply

Product Advantages

Accurate and stable logarithmic characteristic

Ideal for receiver signal strength indication (RSSI) applications

Versatile and easy to use

Key Technical Parameters

Frequency Range: DC to 300 MHz

Dynamic Range: 60 dB

Gain Accuracy: ±0.5 dB

Offset Voltage: ±1 mV

Input Bias Current: ±1 nA

Supply Voltage: 5 V

Quality and Safety Features

RoHS3 compliant

Robust and reliable performance

Compatibility

Surface mount package (16-TSSOP)

Suitable for a variety of applications, including RSSI

Application Areas

Receiver Signal Strength Indication (RSSI)

Power measurement

Automatic Gain Control (AGC)

Instrumentation

Product Lifecycle

The AD8309 is an active and widely used product in the Analog Devices portfolio.

Replacements and upgrades are available, ensuring long-term support and availability.

Key Reasons to Choose This Product

Excellent logarithmic accuracy and stability

Fast response time for real-time signal monitoring

Wide dynamic range for versatile applications

Low power consumption and single-supply operation

Robust and reliable performance in a compact package