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Overview

Features and Benefits

  • Voltage controlled amplifier/attenuator
  • Operating frequency 10 MHz to 3 GHz
  • Optimized for controlling output power
  • High linearity: OIP3 31 dBm at 900 MHz
  • Output noise floor: −150 dBm/Hz at 900 MHz
  • 50 Ω input and output impedances
  • Single-ended or differential operation
  • Wide gain control range: −34 dB to +22 dB at 900 MHz
  • Linear in dB gain control function, 20 mV/dB
  • Single-supply 4.75 V to 5.25 V 

Product Details

The ADL5330 is a high performance, voltage controlled, variable gain amplifier (VGA)/attenuator for use in applications with frequencies up to 3 GHz. The balanced structure of the signal path minimizes distortion while it also reduces the risk of spurious feedforward at low gains and high frequencies caused by parasitic coupling. While operation between a balanced source and load is recommended, a single sided input is internally converted to differential form.

The input impedance is 50 Ω from INHI to INLO. The outputs are usually coupled into a 50 Ω grounded load via a 1:1 balun. A single supply of 4.75 V to 5.25 V is required.

The 50 Ω input system converts the applied voltage to a pair of differential currents with high linearity and good common rejection even when driven by a single sided source. The signal currents are then applied to a proprietary voltage controlled attenuator providing precise definition of the overall gain under the control of the linear in dB interface. The GAIN pin accepts a voltage from 0 V at minimum gain to 1.4 V at full gain with a 20 mV/dB scaling factor.

The output of the high accuracy wideband attenuator is applied to a differential transimpedance output stage. The output stage sets the 50 Ω differential output impedances and drives the OPHI and OPLO pins. The ADL5330 has a power-down function. It can be powered down by a Logic LO input on the ENBL pin. The current consumption in power-down mode is 250 μA.

The ADL5330 is fabricated on an Analog Devices, Inc., proprietary high performance, complementary bipolar IC process. The ADL5330 is available in a 24-lead (4 mm × 4 mm), Pb-free LFCSP package and is specified for operation from ambient temperatures of −40°C to +85°C. An evaluation board is also available.

Applications

  • Transmit and receive power control at RF and IF

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Tools & Simulations

Design Tools

ADIsimPLL™

ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

Product Recommendations

ADL5330 Companion Parts

Recommended Low-Noise Voltage Regulators

  • For a fixed 5V, 500mA low dropout regulator with reverse current protection: ADP7104.

Design Resources

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.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.