ADL5240-EVALZ Digital Control VGAs by Analog Devices

Digital Control VGAs
Status: Last Time Buy
Series: ADL5240
RoHS: Compliant
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The ADL5240 is a high performance, digitally controlled variable gain amplifier (VGA) operating from 100 MHz to 4000 MHz. The VGA integrates a high performance, 20 dB gain, internally matched amplifier (AMP) with a 6-bit digital step attenuator (DSA) that has a gain control range of 31.5 dB in 0.5 dB steps with ±0.25 dB step accuracy. The attenuation of the DSA can be controlled using a serial or parallel interface.Both the gain block and DSA are internally matched to 50 Ω at their inputs and outputs and are separately biased. The separate bias allows all or part of the ADL5240 to be used, which facilitates easy reuse throughout a design. The pinout of the ADL5240 also enables either the gain block or DSA to be first, giving the VGA maximum flexibility in a signal chain.The ADL5240 consumes just 93 mA and operates from a single supply ranging from 4.75 V to 5.25 V. The VGA is packaged in a thermally efficient, 5 mm × 5 mm, 32-lead LFCSP and is fully specified for operation from −40°C to +85°C. A fully populated evaluation board is available.

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Features

Operating frequency from 100 MHz to 4000 MHz
Digitally controlled VGA with serial and parallel interfaces
6-bit, 0.5 dB digital step attenuator
31.5 dB gain control range with ±0.25 dB step accuracy
Gain block or digital step attenuator can be first
Single supply operation from 4.75 V to 5.25 V
31.5 dB gain control range with ±0.25 dB step accuracy
Gain block amplifier specifications
  Gain: 19.7 dB at 2.14 GHz
  OIP3: 41.0 dBm at 2.14 GHz
  P1dB: 19.5 dBm at 2.14 GHz
  Noise figure: 2.9 dB at 2.14 GHz
Low quiescent current of 93 mA
Thermally efficient, 5 mm × 5 mm, 32-lead LFCSP
The companion ADL5243 integrates a ¼ W driver amplifier to the output of the gain block and DSA

Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADL5240-EVALZ?

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What category does ADL5240-EVALZ fall under?

The ADL5240-EVALZ is listed under Digital Control VGAs.

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You can view similar parts to ADL5240-EVALZ when available in the Digital Control VGAs range under the specifications section at the bottom of the details page.

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Is the ADL5240-EVALZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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