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Analog Devices Inc. HMC241AQS16ETR
- Part No.:
- HMC241AQS16ETR
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Switches
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
HMC241AQS16ETR.pdf
- Description:
- IC RF SWITCH SP4T 3.5GHZ 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,999
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Product details
Overview
HMC241AQS16ETR from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC SP4T non-reflective RF switch in a 16-lead QSOP package, operating from DC to 3.5 GHz with 0.7 dB insertion loss at 2 GHz, +5 V single-supply bias, and integrated 2:4 TTL decoder for path selection. It serves as a high-isolation signal routing element in RF front-ends of wireless infrastructure and test equipment.
For engineers reviewing the HMC241AQS16ETR datasheet, HMC241AQS16ETR pinout, HMC241AQS16ETR application, or HMC241AQS16ETR equivalent, key selection criteria include its non-reflective architecture, TTL/CMOS-compatible control interface, DC–3.5 GHz bandwidth, low 1.5 dB max insertion loss at 3.5 GHz, and 32 dB typical isolation at 2 GHz - all validated under +5 V, 25 °C, 50 Ω system conditions.
Technical Context
The HMC241AQS16ETR implements a monolithic GaAs MMIC SP4T switch topology with on-chip impedance matching and integrated 2:4 TTL decoder logic, eliminating external decoding circuitry. Its non-reflective design ensures matched 50 Ω termination on all off-state RF ports, minimizing signal reflections during switching.
It operates with true TTL/CMOS-compatible control inputs (A/B), requires only two digital lines and a single +5 V supply, and delivers fast switching (150 ns tON/tOFF) with 40 ns rise/fall times. DC blocking capacitors are mandatory at RFC and RF1–RF4 ports per layout guidelines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | DC to 3.5 GHz - supports broadband RF routing from baseband through UHF and low microwave bands. |
| Insertion Loss (2 GHz) | 0.7 dB typ. - enables minimal signal attenuation in active signal paths, preserving SNR in receiver chains. |
| Isolation (2 GHz) | 32 dB typ. - suppresses crosstalk between selected and unselected RF paths, critical for multi-band antenna switching. |
| Input IP3 | 40–48 dBm - supports linear operation with two-tone +10 dBm inputs, suitable for moderate-power transceiver stages. |
| Switching Time (tON) | 150 ns max - allows rapid channel reconfiguration in time-division systems and agile test setups. |
| Supply Voltage | +5 Vdc ±10% - simplifies power design with standard logic-rail compatibility and no negative or dual supplies required. |
| Operating Temp. | −40 °C to +85 °C - qualified for industrial and outdoor wireless infrastructure environments. |
Pinout & Package
Package: 16-lead QSOP (Quad Small Outline Package), RoHS-compliant, MSL1, 100% matte tin plating, thermal resistance (insertion loss path) = 150 °C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 6, 12, 14 | RF4, RF3, RF2, RF1, RFC | DC-coupled 50 Ω RF ports requiring external DC blocking capacitors; RFC is common RF port, RF1–RF4 are selectable outputs. |
| 2, 3, 5, 7, 11, 13, 15, 16 | GND | RF ground terminals - must be soldered directly to PCB ground plane to maintain isolation and impedance integrity. |
| 8 | Vdd | +5 Vdc bias supply input; supports up to 6 mA max current draw under full switching load. |
| 9 | B | TTL/CMOS control input (B bit); logic level defines switch path per truth table (LOW/HIGH selects RF2/RF4 when A=HIGH). |
| 10 | A | TTL/CMOS control input (A bit); combined with B, selects one of four RF paths (RF1–RF4) via internal 2:4 decoder. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 2:4 TTL Decoder | Reduces control interface from 4 lines to 2 (A/B), eliminating external logic and saving board space in dense RF modules. |
| Non-Reflective Architecture | Terminates all off-state RF ports into 50 Ω, preventing standing waves and enabling stable VSWR < 2.0 across DC–3.5 GHz. |
| Single +5 V Supply | Eliminates need for negative or auxiliary bias rails, simplifying power delivery and reducing BOM count in portable and base station designs. |
| High ESD Robustness | Class 1A HBM rating ensures handling survivability during assembly without special ESD precautions beyond standard Class 1A protocols. |
| Low Thermal Resistance | 150 °C/W (insertion loss path) enables reliable operation at +85 °C ambient with typical RF power levels up to +28.5 dBm. |
Applications
| Base Station Antenna Switching | CATV/DBS Signal Routing |
|---|---|
Use Scenario: Dynamic selection between multiple antennas or frequency bands in LTE/FDD/TDD macrocell and small cell base stations. IC Role / Device Role / Timing Role: SP4T RF switch routing transmit/receive signals between transceiver ICs and antenna arrays with minimal loss and reflection. Use Value: 0.7 dB insertion loss at 2 GHz preserves PA efficiency and receiver sensitivity; 32 dB isolation prevents inter-band interference in multi-band deployments. | Use Scenario: Channel selection and signal path management in multi-tuner satellite receivers and broadband cable headend equipment. IC Role / Device Role / Timing Role: Non-reflective RF switch enabling seamless switching between LNB outputs or IF signal paths without disrupting downstream demodulation. Use Value: DC–3.5 GHz bandwidth covers full DBS L-band (950–2150 MHz) and CATV downstream (54–1002 MHz); 47 dB max isolation suppresses adjacent-channel leakage. |
| Wireless Local Loop Transceivers | Automated RF Test Equipment |
Use Scenario: Bidirectional RF path configuration in fixed wireless access units supporting point-to-multipoint topologies. IC Role / Device Role / Timing Role: SP4T switch managing duplex/timing-separated Tx/Rx paths and diversity receive branches in compact outdoor CPE radios. Use Value: +5 V single supply aligns with embedded PMIC rails; 150 ns switching time supports fast TDD frame synchronization and calibration sequences. | Use Scenario: Programmable signal path routing inside vector network analyzers, signal generators, and RF parametric test sets. IC Role / Device Role / Timing Role: High-reliability RF switch enabling automated calibration loops, stimulus/response path selection, and multi-port device characterization. Use Value: 40–48 dBm input IP3 ensures linearity during high-accuracy S-parameter measurements; RoHS-compliant matte tin finish supports lead-free reflow processes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SP4T RF switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC547LP3E | Wider bandwidth (DC–6 GHz), higher isolation (40 dB @ 2 GHz), but requires dual supply (+5 V and −5 V) and lacks integrated decoder. | Preferred for millimeter-wave test fixtures and 5G FR1 front-ends where bandwidth >3.5 GHz is essential. | Select HMC547LP3E when extended frequency coverage and higher isolation outweigh decoder integration and single-supply convenience. |
| Qorvo QM11036 | Si-based SP4T, 0.8 dB IL @ 2.5 GHz, +3.3 V supply, no integrated decoder, lower IP3 (34 dBm), but smaller 2.0 × 2.0 mm DFN package. | Suitable for space-constrained IoT gateways and portable spectrum analyzers where size and voltage compatibility dominate. | Choose QM11036 for ultra-compact, low-voltage designs where GaAs performance margins are not required. |
Compared with HMC547LP3E and QM11036, the HMC241AQS16ETR uniquely balances broadband RF performance (DC–3.5 GHz), integrated TTL decoding, and single +5 V operation - making it optimal for cost-sensitive, medium-complexity wireless infrastructure where layout simplicity and supply consolidation are prioritized.
Availability
HMC241AQS16ETR is available at Aetrix Electronics and suitable for base station antenna switching, CATV/DBS signal routing, and wireless local loop transceivers requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for HMC241AQS16ETR 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 analog and RF solutions for communications, defense, and instrumentation markets.
The HMC241AQS16ETR belongs to Hittite's legacy GaAs MMIC SPnT switch product line, designed specifically for non-reflective, low-loss, TTL-controlled RF signal routing in wireless infrastructure and test equipment operating below 4 GHz.
FAQ
What is the operating frequency range of the HMC241AQS16ETR?
The HMC241AQS16ETR operates from DC to 3.5 GHz. This range supports applications including cellular base stations (700 MHz–2.7 GHz), CATV/DBS (54–2150 MHz), and wireless local loop systems. Performance parameters such as insertion loss and isolation are specified across sub-bands within this range, with 0.7 dB insertion loss measured at 2 GHz and 23 dB minimum isolation at 3.5 GHz.
Does the HMC241AQS16ETR require external DC blocking capacitors?
Yes, the HMC241AQS16ETR requires external DC blocking capacitors at RFC and RF1–RF4 ports, as stated in the official datasheet. These capacitors prevent DC coupling between stages and maintain 50 Ω impedance matching. The evaluation PCB (EV1HMC241AQS16) uses 330 pF 0402 capacitors for this purpose, and omitting them risks degraded return loss and potential damage from unintended DC bias.
What control interface does the HMC241AQS16ETR use?
The HMC241AQS16ETR uses a 2-bit TTL/CMOS-compatible control interface (pins A and B) with an integrated 2:4 decoder. This eliminates the need for external logic and reduces control lines from four to two. Logic states follow a defined truth table: A=LOW/B=LOW selects RF1, A=HIGH/B=LOW selects RF2, A=LOW/B=HIGH selects RF3, and A=HIGH/B=HIGH selects RF4.
What is the supply voltage requirement for the HMC241AQS16ETR?
The HMC241AQS16ETR requires a single +5 Vdc supply (±10%) applied to pin 8 (Vdd). Typical supply current is 2.5 mA, with a maximum of 6.0 mA. No negative or auxiliary supplies are needed. This simplifies power design compared to alternatives requiring dual-rail or higher-voltage biasing.
Is the HMC241AQS16ETR RoHS-compliant?
Yes, the HMC241AQS16ETR is RoHS-compliant. The "E" suffix denotes the RoHS-compliant version with 100% matte tin leadframe plating and low-stress injection-molded plastic packaging. It has MSL1 rating and a maximum peak reflow temperature of 260 °C, conforming to JEDEC J-STD-020 standards for lead-free assembly.
HMC241AQS16ETR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- RF Type:
- CATV
- Topology:
- Absorptive
- Circuit:
- SP4T
- Frequency Range:
- 0Hz ~ 3.5GHz
- Isolation:
- 36dB
- Insertion Loss:
- 0.8dB
- Test Frequency:
- 2.5GHz
- P1dB:
- 29dBm
- IIP3:
- 48dBm
- Features:
- -
- Impedance:
- 50Ohm
- Voltage - Supply:
- 5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
HMC241AQS16ETR FAQ
1.How can I place an order for HMC241AQS16ETR through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC241AQS16ETR 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 HMC241AQS16ETR reliable?
The price and inventory of HMC241AQS16ETR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC241AQS16ETR is usually 5 days.
3.What payment methods are accepted for HMC241AQS16ETR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC241AQS16ETR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC241AQS16ETR?
HMC241AQS16ETR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC241AQS16ETR 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 HMC241AQS16ETR?
For technical support, including HMC241AQS16ETR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC241AQS16ETR requirements.
6.How does Aetrix verify that HMC241AQS16ETR is sourced from the original manufacturer or authorized distributors?
All HMC241AQS16ETR 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 HMC241AQS16ETR meets industry standards.
7.What is the process for return or replacement of HMC241AQS16ETR?
All HMC241AQS16ETR units undergo pre-shipment inspection (PSI). If there is an issue with HMC241AQS16ETR, 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 HMC241AQS16ETR part is unused and in its original packaging.
Return procedure for HMC241AQS16ETR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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