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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The ADL5205 is a digitally controlled, wide bandwidth, variable gain dual amplifier (DGA) that provides precise gain control, high output third-order intercept (OIP3) and a near constant noise figure for the first 12 dB of attenuation. The excellent OIP3 performance of 48.5 dBm (at 200 MHz, 5 V, high performance mode, and maximum gain) makes the ADL5205 an excellent gain control device for a variety of receiver applications.
- For wide input dynamic range applications, the ADL5205 provides a broad 35 dB gain range with a 1 dB step size. The gain is adjustable through multiple gain control and interface options: parallel, SPI, or gain step up/down control.
- The two channels of the ADL5205 can be powered up independently by applying the appropriate logic level to the PWUPA and PWUPB pins. The quiescent current of the ADL5205 is typically 175 mA for high performance mode and 135 mA for low power mode. When disabled, the ADL5205 consumes only 14 mA and offers excellent input to output isolation. The gain setting is preserved when the device is disabled.
- Fabricated on the Analog Devices, Inc., high speed, silicon germanium (SiGe) complementary BiCMOS process, the ADL5205 provides precise gain adjustment capabilities with good distortion performance. The ADL5205 amplifier comes in a compact, thermally enhanced, 6 mm × 6 mm, 40-lead LFCSP package and operates over the temperature range of −40°C to +85°C.
- Note that throughout this data sheet, multifunction pins, such as CSA/A3, are referred to by the entire pin name or by a single function of the pin, for example, CSA, when only that function is relevant.
- Applications
- Differential analog-to-digital converter (ADC) drivers
- High intermediate frequency (IF) sampling receivers
- High output power IF amplification
- Instrumentation
- ### Features and Benefits
- Dual, independent, digitally controlled gain amplifier(DGA)
- −9 dB to +26 dB gain range
- 1 dB step size, ±0.2 dB accuracy at 200 MHz
- 100 Ω differential input resistance
- 10 Ω differential output resistance
- 1.2 dB change in noise figure for first 12 dB of gain reduction
- Output third-order intercept (OIP3): 48.5 dBm at 200 MHz, 5V, high performance mode
- −3 dB bandwidth: 1700 MHz typical in high performance mode
- Multiple control interface options
- Parallel 6-bit control interface with latch
- Serial peripheral interface (SPI) with fast attack
- Gain step up/down interface
- Wide input dynamic range
- Low power mode
- Power-down control
- Single 3.3 V or 5 V supply operation
- 40-lead, 6 mm × 6 mm LFCSP package
ADL5205 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
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