ADMV8505

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225 MHz to 520 MHz, Digitally Tunable, Band-Pass Filter

Data Sheet (Rev. A) Product Selection Table

Part Models: 2
1ku List Price: Starting From $44.13

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Overview

Digitally tunable, octave, band-pass tuning
3 dB bandwidth: 9% ± 2%
Rejection (20 dB): 19% away from f_CENTER
Single chip replacement for discrete filter banks
Compact 10 mm × 10 mm LGA package

The ADMV8505¹ is an RF band-pass filter that features a digitally selectable frequency of operation. The filter center frequency (f_CENTER) can be adjusted from 225 MHz to 520 MHz using an 8-bit value (256 states) that incorporates a patented calibration technique.

The typical 3 dB bandwidth is 9%, and adjustability is ±2%. Insertion loss is typically 4.5 dB, and the 20 dB rejection is 19% away from the f_CENTER, which is ideally suited for minimizing system interferers.

The ADMV8505 tunable filter can be used as a smaller alternative to large switched filter banks and discrete component-based tunable filters, providing a dynamically adjustable solution in advanced communications applications.

Applications

Land mobile radios
Test and measurement equipment
Military radars and electronic warfare and electronic countermeasures
Satellite communications
Industrial and medical equipment

Part Models: 2
1ku List Price: Starting From $44.13

Documentation

Data Sheet 1

ADMV8505: 225 MHz to 520 MHz, Digitally Tunable, Band-Pass Filter Data Sheet (Rev.A) 12/12/2023

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADMV8505ACCZ	LGA/CASON/CH ARRY SO NO LD	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADMV8505ACCZ-R7	LGA/CASON/CH ARRY SO NO LD	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

Evaluating the ADMV8505 225 MHz to 520 MHz, Digitally Tunable, Band-Pass Filter

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Features and Benefits

Fully featured evaluation board for the ADMV8505
On-board system demonstration platform (SDP-S) connector for the SPI
Evaluation using on-board LDO regulators powered by the USB
ACE software interface for SPI control

Product Details

The ADMV8505-EVALZ is available for evaluating the ADMV8505 digitally tunable, band-pass filter (BPF). The ADMV8505-EVALZ incorporates the ADMV8505 chip, as well as a negative voltage generator, low dropout (LDO) regulators, and an interface to the EVAL-SDP-CS1Z (SDP-S) system demonstration platform (SDP) to allow simple and efficient evaluation. The negative voltage generator and LDO regulators allow the ADMV8505 to be powered by either the 5 V USB supply voltage from the PC via the SDP-S or by using two external power supplies.

The ADMV8505 is an IC that features a digitally selectable frequency of operation. The chip can be programmed using a 4-wire serial peripheral interface (SPI), and the SDP-S controller allows the user to interface with the SPI of the ADMV8505 through the Analog Devices, Inc., Analysis, Control Evaluation (ACE) software.

For full details on the ADMV8505, see the ADMV8505 data sheet, which must be consulted in conjunction with this user guide when using the ADMV8505-EVALZ.

Resources

UG-2183: Evaluating the ADMV8505 225 MHz to 520 MHz, Digitally Tunable, Band-Pass Filter (Rev.0)
12/12/2023

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