AD8309ARUZ-REEL7

Overview

The AD8309ARUZ-REEL7 is a logarithmic amplifier with a limiter output, manufactured by Analog Devices Inc. It operates within a frequency range of 5 MHz to 500 MHz and provides a dynamic range of 100 dB. The device functions on a single supply voltage ranging from 2.7 V to 6.5 V, drawing a typical quiescent current of 16 mA. It features fully differential inputs with an input resistance of 1 kΩ and capacitance of 2.5 pF. The package type is a 16-lead TSSOP.

Feature Summary

• Provides a complete multistage log-limiting IF amplifier with a 100 dB dynamic range.
• Features stable RSSI scaling over temperature and supplies with a 20 mV/dB slope.
• Includes a programmable limiter output capable of driving differential loads up to 10 mA.
• Offers a CMOS-compatible control interface for rapid power-up and low-power sleep modes.

Applications

• Receivers for Frequency and Phase Modulation
• Very Wide Range IF and RF Power Measurement
• Receiver Signal Strength Indication (RSSI)
• Low Cost Radar and Sonar Signal Processing

Procurement Notes

Verify the specific REEL7 suffix indicates a 7-inch tape and reel packaging option when sourcing this component. Confirm that the manufacturer designation matches Analog Devices Inc. to ensure authenticity. Check the revision status against official documentation to validate technical specifications. Ensure the operating temperature range requirements align with the industrial specification limits provided in the datasheet.

Selection Notes

Select this component for applications requiring high gain-bandwidth products and wide dynamic range signal processing. It is suitable for designs needing both amplitude measurement and hard limiting capabilities. Consider the single-supply operation and low power consumption for portable systems. Evaluate the differential input impedance requirements against the source circuitry before implementation.

Part Context

This part belongs to the AD8309 series of logarithmic amplifiers produced by Analog Devices Inc. It is designed as an advanced IF signal processing IC combining voltage gain with progressive compression. The device utilizes silicon-on-insulator isolation techniques on an advanced complementary bipolar process. It is intended for use in high-performance receiver architectures.

Replacement Considerations

The AD8309ARU is the tube-packaged equivalent of this component. The AD8309ARU-REEL is the 13-inch tape and reel version. Verify pin compatibility and electrical specifications when substituting between these packaging variants.