ADL5240 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADL5240
Manufacturer

ADI
ChipWorker Part#

CW983475106
Description

100MHz TO 4000MHz RF/IF Digitally Controlled VGA
Documentation

Datasheet

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ADL5240 Specifications

Attribute	Attribute Value

Part Number	ADL5240
Manufacturer	ADI
ChipWorker Part#	CW983475106
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
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.
**Applications**
Wireless infrastructure
Automated test equipment
RF/IF gain control
### Features and Benefits
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

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