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Updated at 17/06/2025 10:30:15(UTC+8)
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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
ADL5240 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Recommended for New Designs |
Order guide
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- Delivery date: usually 2 to 7 working days.
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- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
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