HMC349AMS8GTR Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The HMC349AMS8GTR is a GaAs SPDT RF switch operating from 100 MHz to 4 GHz with high isolation and nonreflective design. It features CMOS-compatible control, 50 Ω impedance, and up to 33.5 dBm input power handling. Ideal for test equipment, wireless infrastructure, and military communications.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- HMC349AMS8GTR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High isolation nonreflective SPDT design minimizes signal reflections across 100 MHz to 4 GHz range
- CMOS-compatible logic control enables easy integration with digital control circuits
- Handles up to 33.5 dBm CW input power with only 2.1 dB max insertion loss
- Compact MSOP-8 package suits space-constrained RF system designs
Applications
The HMC349AMS8GTR is designed for RF signal routing in wireless infrastructure, cellular base stations, and point-to-point microwave links operating up to 4 GHz. Its nonreflective topology and high input power tolerance make it well suited for test and measurement equipment, software-defined radios, and military communication systems requiring reliable signal switching.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | RH-8-1 |
| Date Of Intro | 2016-10-26 |
| YTEOL | 0 |
| 1dB Compression Point | 28dBm |
| Additional Feature | CMOS COMPATIBLE |
| Characteristic Impedance | 50Ω |
| Construction | COMPONENT |
| Input Power-Max (CW) | 33.5dBm |
| Insertion Loss-Max | 2.1dB |
| Isolation-Min | 42dB |
| Mounting Feature | SURFACE MOUNT |
| Number of Functions | 1 |
| On Time-Nom | 0.16 µs |
| Operating Frequency-Max | 4000MHz |
| Operating Frequency-Min | 100MHz |
| Package Body Material | PLASTIC/EPOXY |
| Port Termination | ABSORPTIVE |
| Power Supplies | 3/5 V |
| RF/Microwave Device Type | SPDT |
| Supply Current-Max | 3.5mA |
| Surface Mount | YES |
| Technology | PHEMT |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum input power the HMC349AMS8GTR can handle continuously?
The HMC349AMS8GTR supports up to 33.5 dBm of continuous wave (CW) input power, making it robust for high-power RF switching applications in wireless infrastructure and test equipment operating across 100 MHz to 4 GHz.
How does the nonreflective design of HMC349AMS8GTR benefit RF signal path integrity?
A nonreflective SPDT switch terminates the unused port internally with 50 Ω, preventing signal reflections that would otherwise cause standing waves and interference. This improves system performance in sensitive receiver chains and multi-stage RF designs operating between 100 MHz and 4 GHz.
Which wireless infrastructure applications are best served by the HMC349AMS8GTR?
The HMC349AMS8GTR suits cellular base station antenna switching, point-to-point microwave links, and software-defined radios where a 2.1 dB max insertion loss, 50 Ω characteristic impedance, and CMOS-compatible control are critical requirements across the 100 MHz to 4 GHz operating band.
When should designers consider HMC349AMS8GTR over a reflective SPDT switch?
Choose the HMC349AMS8GTR when signal reflection from the unused port would degrade system sensitivity or cause measurement errors. Its nonreflective architecture with 50 Ω internal termination keeps the RF environment stable, especially in lab instruments or multi-switch matrices handling signals from 100 MHz to 4 GHz.
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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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