HMC1021LP4E Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
HMC1021LP4E is an RMS RF power detector with 65 dB dynamic range covering DC to 3900 MHz, featuring single-ended 50 Ω input and positive output polarity in a QFN-24 package. It is designed for accurate envelope and power level detection in wireless communications and test instrumentation.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- HMC1021LP4E Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 65 dB dynamic range for wide-span RF power measurement
- Frequency coverage from DC to 3900 MHz, spanning 4G/LTE and sub-6 GHz bands
- 50 Ω single-ended input with up to 10 dBm CW input power
- Positive output polarity for direct ADC or comparator interfacing
- Compact QFN (HCP-24) surface-mount package
- RMS detection for accurate power readings on modulated signals
Applications
HMC1021LP4E is used in cellular base stations, test and measurement equipment, and wireless infrastructure where accurate RF power detection across a 65 dB dynamic range is required up to 3900 MHz. It is also found in power control loops of PA modules, antenna monitoring systems, and signal-level management circuits in 4G/LTE radio units.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | HCP-24-2 |
| YTEOL | 0 |
| Characteristic Impedance | 50Ω |
| Construction | COMPONENT |
| Input Power-Max (CW) | 10dBm |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Operating Frequency-Max | 3900MHz |
| Output Polarity | POSITIVE |
| Package Body Material | PLASTIC/EPOXY |
| Power Supplies | 5V |
| RF/Microwave Device Type | LINEAR DETECTOR |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What frequency range and dynamic range does HMC1021LP4E support for power detection?
HMC1021LP4E operates from DC to 3900 MHz and provides a 65 dB dynamic range, enabling accurate RMS power measurement across a wide range of input power levels for LTE, WLAN, and other sub-4 GHz wireless standards.
How does HMC1021LP4E handle high-power input signals without damaging the detector input?
The device is rated for a maximum CW input power of 10 dBm at its 50 Ω single-ended input. Designers should ensure incoming RF power does not exceed this level; external attenuators or couplers can be used when monitoring transmit paths at higher power levels.
What is the package type of HMC1021LP4E and how does it affect RF layout at microwave frequencies?
HMC1021LP4E is housed in a 24-pad QFN (HCP-24) surface-mount package, which provides short lead lengths and an exposed thermal pad. This minimizes parasitic inductance at frequencies up to 3900 MHz and allows tight ground connections needed for clean RF performance.
Is HMC1021LP4E suitable for building an automatic gain control loop in a 4G radio front end?
Yes. With a 65 dB detection range and continuous coverage up to 3900 MHz, HMC1021LP4E can monitor receive or transmit signal levels in a 4G radio and supply a positive analog output to a feedback DAC or baseband processor for AGC or transmit power control.
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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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