AD8302 Analog Devices Integrated Circuit (Small Outline Packages) In Stock
AD8302 is an Analog Devices LF-to-3 GHz RF gain and phase detector IC with a 60 dB gain measurement dynamic range packaged in a compact 14-pin TSSOP. It outputs dual DC voltages proportional to gain difference and phase difference for precise RF signal characterization. Available in stock globally with competitive pricing and fast worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- AD8302 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- LF to 3 GHz operating range enables gain and phase measurement across a wide RF and microwave spectrum in one IC
- 60 dB gain measurement dynamic range with ±0.5 dB typical accuracy for precise power ratio detection and amplifier characterization
- Integrated phase detector spanning 0 to 180 degrees provides accurate phase difference output with millidegree-level resolution
- Single-supply operation from 2.7 V to 5.5 V simplifies integration into both 3.3 V and 5 V RF system power rails
Applications
AD8302 is widely used in RF power amplifier leveling loops, antenna beam steering systems, and cable TV equipment where accurate simultaneous gain and phase measurement between two RF paths is required. Its 3 GHz operating range and 60 dB dynamic range make it ideal for network analyzer front ends, radar transmit-receive modules, and impedance measurement circuits. The IC is also deployed in RF sensor calibration systems and phased-array radar designs where real-time gain and phase feedback enables dynamic signal correction.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for AD8302:
Frequently Asked Questions
What frequency range and gain dynamic range does AD8302 cover for RF amplifier characterization?
AD8302 operates from LF up to 3 GHz and measures gain differences over a 60 dB dynamic range with ±0.5 dB typical accuracy, making it suitable for characterizing RF amplifiers, attenuators, and transmission paths across a broad spectrum. It simultaneously provides a phase measurement output spanning 0 to 180 degrees between the two input signals.
What supply voltage does AD8302 require, and how does it integrate into 3.3 V or 5 V RF systems?
AD8302 operates from a single supply of 2.7 V to 5.5 V, making it directly compatible with 3.3 V and 5 V digital power rails without additional level shifting. Quiescent current draw is typically 18 mA, a manageable overhead for battery-powered portable RF instruments and space-constrained wireless equipment.
How does AD8302 reduce component count compared to discrete RF gain and phase detector implementations?
AD8302 integrates two logarithmic amplifiers and a phase detector into a single 14-pin TSSOP package, replacing multiple discrete components and delivering gain accuracy within ±0.5 dB across the full 60 dB input range up to 3 GHz. This integration cuts PCB area, lowers BOM cost, and simplifies calibration in RF system designs.
How does AD8302 support real-time beam steering feedback in a phased-array radar system?
AD8302 measures the phase difference between two RF paths at frequencies up to 3 GHz, producing a calibrated DC output that a control loop feeds to digital phase shifters for dynamic beam direction correction. Its simultaneous 60 dB gain measurement output also enables automatic amplitude equalization across array elements, simplifying closed-loop phased-array radar signal processing.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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