Analog Devices Inc. HMC336MS8GE
- Part No.:
- HMC336MS8GE
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Switches
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
HMC336MS8GE.pdf
- Description:
- IC RF SWITCH SPDT 6GHZ 8MSOP
- Quantity:
- Payment:

- Shipping:

Inventory:1,169
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Product details
Overview
HMC336MS8GE from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC SPDT non-reflective switch with positive control logic, operating from DC to 6 GHz in a RoHS-compliant MSOP8G package. It delivers 1.6 dB insertion loss and 42 dB isolation at 6 GHz, requires +5 V bias and 0/+5 V control inputs, and supports both 50-Ω and 75-Ω systems for RF signal routing in broadband infrastructure.
For engineers reviewing the HMC336MS8GE datasheet, HMC336MS8GE pinout, HMC336MS8GE application, or HMC336MS8GE equivalent, key selection criteria include its non-reflective architecture, DC–6 GHz bandwidth, +5 V fixed bias requirement, MSOP8G thermal performance, and compatibility with RF front-end switching in wireless transceivers and fiber-optic line cards.
Technical Context
The HMC336MS8GE implements a GaAs MESFET-based SPDT topology with integrated DC blocking requirements at RFC, RF1, and RF2 ports-mandating external capacitors to set low-frequency cutoff. Its non-reflective design ensures matched 50-Ω impedance in both "on" and "off" states, minimizing system-level VSWR degradation during switching.
It operates with dual control lines (CTLA/CTLB) under positive voltage logic (0 V / +5 V), enabling deterministic path selection without negative supply rails. Bias current remains stable at 35 µA typical under +5 V VDD, supporting low-power RF subsystems while maintaining >20 dBm input P1dB across 0.5–6 GHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | DC to 6 GHz - enables baseband-to-microwave signal routing without band segmentation. |
| Insertion Loss (6 GHz) | 1.6 dB typical - preserves RF signal amplitude in high-frequency paths such as LTE/5G front ends. |
| Isolation (6 GHz) | 42 dB typical - suppresses crosstalk between RF1 and RF2 when one path is active. |
| Input IP3 (0.5–6 GHz) | +37 dBm typical - supports linear operation with two-tone +7 dBm inputs in receiver LNA stages. |
| Switching Speed | 8 ns tRISE/tFALL - suitable for fast TDD mode transitions in time-division duplex systems. |
| VDD Supply | +5 V DC - simplifies power architecture by eliminating need for dual or negative supplies. |
| Control Logic | 0 V / +5 V positive voltage - eliminates level-shifting circuitry in microcontroller-driven RF switches. |
Pinout & Package
Package: RoHS-compliant MSOP8G surface-mount package with exposed ground paddle; 100% matte tin lead finish; MSL1 rating; max reflow temperature 260 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CTLA) | Control Input A | Selects RFC→RF1 path when high (+5 V); referenced to ground per truth table. |
| 2 (CTLB) | Control Input B | Selects RFC→RF2 path when high (+5 V); independent TTL-compatible logic input. |
| 3 (RFC) | Common RF Port | DC-coupled 50-Ω input requiring external blocking capacitor; primary signal entry point. |
| 4 (VDD) | Bias Supply | +5 V DC supply; floating allowed but degrades power performance by ~1.5 dB. |
| 5 (RF1) | RF Output 1 | DC-coupled 50-Ω output; matched in both on/off states due to non-reflective architecture. |
| 6, 7 (GND) | Ground Terminals | Signal and thermal ground; must be soldered to PCB RF ground plane including exposed paddle. |
| 8 (RF2) | RF Output 2 | DC-coupled 50-Ω output; maintains >13 dB return loss in off state from 2–6 GHz. |
Key Features
| Feature | Design Value |
|---|---|
| Non-reflective SPDT architecture | Maintains 50-Ω match at all ports in both on/off states, reducing system-level VSWR excursions. |
| DC–6 GHz broadband operation | Eliminates need for multiple narrowband switches across cellular, ISM, and microwave bands. |
| +5 V single-supply bias | Removes dependency on negative or split supplies, easing integration into compact RF modules. |
| RoHS-compliant MSOP8G package | Enables high-density RF layout with thermal paddle for improved power dissipation and RF grounding. |
| ESD robustness (HBM Class 1A) | Withstands ≥250 V HBM ESD events, supporting safe handling in automated SMT assembly lines. |
Applications
| Cellular Base Station Transceivers | Fiber-Optic Line Cards |
|---|---|
|
Use Scenario: Switching between transmit and receive paths in FDD/TDD radio units operating up to 6 GHz. IC Role / Device Role / Timing Role: Non-reflective SPDT RF switch routing antenna interface between PA and LNA. Use Value: 42 dB isolation at 6 GHz prevents TX leakage from desensitizing RX chain; 1.6 dB loss preserves EIRP budget. |
Use Scenario: Selecting between redundant optical receivers or multiplexing analog RF-over-fiber signals. IC Role / Device Role / Timing Role: Broadband RF path selector enabling hot-swappable module support in CFP2/CFP4 line cards. Use Value: DC–6 GHz bandwidth accommodates full CATV and DOCSIS 3.1 spectrum; non-reflective behavior avoids upstream echo distortion. |
| Switched Filter Banks | Test & Measurement Signal Routing |
|
Use Scenario: Dynamically selecting bandpass filters in multi-band spectrum analyzers or agile synthesizers. IC Role / Device Role / Timing Role: Low-loss, high-isolation RF switch enabling filter path reconfiguration without mechanical relays. Use Value: 8 ns switching speed allows sub-10 ns filter settling; 1.6 dB loss minimizes calibration drift across bands. |
Use Scenario: Automated RF path selection in vector network analyzer front-ends and ATE test fixtures. IC Role / Device Role / Timing Role: Precision SPDT switch providing repeatable 50-Ω matched routing between DUT ports and instrument receivers. Use Value: >13 dB off-state return loss (2–6 GHz) ensures measurement accuracy; +37 dBm IIP3 supports high-dynamic-range testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPDT switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC349ALP4CE | Wider bandwidth (DC–13 GHz), higher isolation (50 dB @ 6 GHz), but requires dual ±5 V supplies and larger 4×4 mm QFN package. | Preferred for millimeter-wave test equipment where bandwidth exceeds 6 GHz; less suitable for space-constrained 5G small cells. | Choose HMC349ALP4CE only if >6 GHz coverage or >45 dB isolation is required; HMC336MS8GE offers lower BOM cost and simpler biasing. |
| Qorvo QM11036 | Similar DC–6 GHz range and +5 V bias, but uses reflective architecture and lacks RFC port matching in off state (return loss <10 dB). | Suitable for low-cost consumer WiFi 6E front ends where VSWR sensitivity is relaxed; not recommended for high-linearity infrastructure. | Select QM11036 for cost-sensitive volume applications with relaxed impedance matching; retain HMC336MS8GE for non-reflective integrity in carrier-grade systems. |
Compared with HMC349ALP4CE and QM11036, the HMC336MS8GE uniquely balances DC–6 GHz non-reflective performance, +5 V single-supply operation, and MSOP8G footprint-making it optimal for infrastructure-grade RF switching where impedance stability, thermal management, and layout density are critical.
Availability
HMC336MS8GE is available at Aetrix Electronics and suitable for cellular infrastructure, fiber-optic line cards, and switched filter banks requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for HMC336MS8GE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices acquired Hittite Microwave in 2014 and integrates its high-frequency RF portfolio into precision RF, microwave, and mmWave solutions for communications and defense markets.
The HMC336MS8GE belongs to Hittite's legacy GaAs MMIC SPDT switch family, engineered specifically for broadband non-reflective signal routing in 5G, satellite, and test instrumentation applications demanding DC–6 GHz flat response and minimal VSWR disruption.
FAQ
What is the minimum operating frequency of the HMC336MS8GE?
The HMC336MS8GE operates from DC, but requires external DC blocking capacitors at RFC, RF1, and RF2 ports-their values determine the actual low-frequency cutoff. For true DC coupling, no capacitor is used; for AC coupling, typical 100 pF capacitors set f3dB ≈ 32 kHz. The device itself imposes no intrinsic lower limit beyond this passive network constraint.
Does the HMC336MS8GE require a negative supply voltage?
No, the HMC336MS8GE operates exclusively on a +5 V DC supply (VDD) and 0/+5 V positive control logic (CTLA/CTLB). It does not require negative or split supplies, simplifying power design versus older GaAs switches that needed –5 V bias rails.
How is thermal management handled in the HMC336MS8GE package?
The HMC336MS8GE uses an MSOP8G package with an exposed metal ground paddle that must be soldered directly to the PCB RF ground plane. This paddle serves as both electrical reference and primary thermal conduction path, enabling efficient heat dissipation without additional heatsinking in typical 500 mW RF power environments.
Can the HMC336MS8GE be used in 75-ohm video or CATV systems?
Yes, the HMC336MS8GE is explicitly characterized and qualified for use in both 50-ohm and 75-ohm systems. Its non-reflective architecture maintains impedance match across both standards, making it suitable for RF switching in DOCSIS 3.1 line cards and broadcast video distribution equipment.
What is the maximum RF input power the HMC336MS8GE can handle continuously?
The HMC336MS8GE has an absolute maximum RF input power rating of +28 dBm. Under continuous wave conditions at 6 GHz, derating is advised above +25 dBm to maintain reliability; its 1 dB compression point is +20 dBm typical, confirming linear operation up to that level.
HMC336MS8GE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Strip
- Product Status:
- Obsolete
- RF Type:
- General Purpose
- Topology:
- Absorptive
- Circuit:
- SPDT
- Frequency Range:
- 0Hz ~ 6GHz
- Isolation:
- 42dB
- Insertion Loss:
- 1.6dB
- Test Frequency:
- 6GHz
- P1dB:
- 25dBm
- IIP3:
- 42dBm
- Features:
- -
- Impedance:
- 50Ohm, 75Ohm
- Voltage - Supply:
- 5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOPG
HMC336MS8GE FAQ
1.How can I place an order for HMC336MS8GE through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC336MS8GE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HMC336MS8GE reliable?
The price and inventory of HMC336MS8GE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC336MS8GE is usually 5 days.
3.What payment methods are accepted for HMC336MS8GE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC336MS8GE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC336MS8GE?
HMC336MS8GE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC336MS8GE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HMC336MS8GE?
For technical support, including HMC336MS8GE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC336MS8GE requirements.
6.How does Aetrix verify that HMC336MS8GE is sourced from the original manufacturer or authorized distributors?
All HMC336MS8GE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HMC336MS8GE meets industry standards.
7.What is the process for return or replacement of HMC336MS8GE?
All HMC336MS8GE units undergo pre-shipment inspection (PSI). If there is an issue with HMC336MS8GE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HMC336MS8GE part is unused and in its original packaging.
Return procedure for HMC336MS8GE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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