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Analog Devices Inc. 105188-HMC422MS8
- Part No.:
- 105188-HMC422MS8
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
105188-HMC422MS8.pdf
- Description:
- EVAL BOARD HMC422MS8
- Quantity:
- Payment:
- Shipping:
Inventory:3,689
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Product details
Overview
HMC422MS8 from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC double-balanced mixer IC with integrated LO amplifier, operating from 1.2 to 2.6 GHz as upconverter or downconverter. It delivers 8 dB typical conversion loss, +15 dBm input IP3 at 2 GHz, and requires only 0 dBm LO drive with 3 V/30 mA single-supply operation - ideal for cellular infrastructure and wireless LAN front-ends.
For engineers reviewing the HMC422MS8 datasheet, HMC422MS8 pinout, HMC422MS8 application, or HMC422MS8 equivalent, key selection criteria include its integrated LO amplifier enabling low-drive systems, DC-coupled RF/IF ports, 50 Ω matched interfaces, and MSL1-rated 8-lead MSOP package with exposed paddle ground.
Technical Context
The HMC422MS8 implements a double-balanced Gilbert-cell mixer topology with monolithically integrated GaAs LO amplifier, enabling full RF/LO/IF port balancing and high isolation. Its architecture supports both upconversion and downconversion without external LO buffering.
DC-coupled RF and IF ports allow baseband-to-RF translation including DC operation on IF (≤±10 mA), while the AC-coupled 50 Ω LO input simplifies matching. The integrated LO amplifier delivers sufficient gain to achieve specified performance at 0 dBm drive, reducing system-level LO chain complexity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range (RF/LO) | 1.2–2.6 GHz - covers entire PCS, AWS, and lower LTE bands |
| IF Bandwidth | DC–1 GHz - supports zero-IF and low-IF architectures |
| Conversion Loss | 8 dB typ. - defines signal path attenuation; impacts receiver NF and transmitter output power efficiency |
| Input IP3 | +15 dBm @ 2 GHz - determines linearity headroom for multi-carrier cellular signals |
| LO Drive Level | 0 dBm - eliminates need for external LO buffer amplifier in compact transceivers |
| Supply Voltage / Current | +3 V / 30 mA - enables direct integration into 3 V system rails with minimal thermal load |
| LO–RF Isolation | 30 dB typ. - reduces LO leakage into antenna path, easing filtering requirements |
Pinout & Package
Package: 8-lead MSOP (MS8) with exposed thermal paddle; RoHS-compliant matte tin finish; MSL1 rating; body material: low-stress injection-molded plastic with silica/silicon impregnation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | LO | AC-coupled 50 Ω input; accepts 0 dBm drive; requires external DC blocking |
| 2, 3, 6, 7 | GND | RF ground terminals; must be soldered directly to PCB ground plane for optimal isolation and thermal dissipation |
| 4 | Vdd | +3 V supply for integrated LO amplifier; requires 10,000 pF RF bypass capacitor |
| 5 | IF | DC-coupled output/input; supports DC–1 GHz; limited to ±10 mA DC current to prevent damage |
| 8 | RF | DC-coupled 50 Ω RF port; matched for direct connection to antenna or PA/LNA stages |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LO amplifier | Reduces external component count by eliminating discrete LO buffer; enables 0 dBm drive requirement |
| Double-balanced topology | Provides inherent suppression of LO×LO, RF×RF, and even-order spurs; improves dynamic range |
| DC-coupled RF and IF ports | Supports zero-IF receivers and direct-conversion transmitters without external AC coupling |
| High LO–RF isolation (30 dB) | Minimizes LO radiation into RF path, relaxing filter specs and improving EMI compliance |
| MSL1 packaging | Enables standard reflow assembly without moisture sensitivity concerns |
Applications
| Cellular Base Station Transceiver | Wireless LAN Access Point |
|---|---|
Use Scenario: Downconverting 2.1 GHz LTE FDD receive signals to 100 MHz IF in macrocell remote radio heads. IC Role / Device Role / Timing Role: Double-balanced mixer core with integrated LO amplification for compact, low-power front-end. Use Value: 8 dB conversion loss and +15 dBm IP3 maintain SNR and adjacent channel rejection under multi-tone interference. |
Use Scenario: Upconverting 100 MHz IF Wi-Fi OFDM signals to 2.4 GHz band in enterprise AP radios. IC Role / Device Role / Timing Role: High-linearity upconverter with DC-coupled IF interface for I/Q modulator output. Use Value: 0 dBm LO drive simplifies local oscillator design; 30 dB LO–RF isolation prevents LO leakage into antenna port. |
| MMDS Subscriber Unit | ISM Band Sensor Transmitter |
Use Scenario: Frequency translation in 2.5 GHz MMDS downlink receivers for broadband fixed wireless access. IC Role / Device Role / Timing Role: Low-noise downconverter with integrated LO gain, operating across full 1.2–2.6 GHz band. Use Value: 8 dB noise figure (SSB) preserves weak signal detectability; wide IF bandwidth supports diverse demodulation schemes. |
Use Scenario: Transmitting sensor telemetry from industrial IoT nodes using 2.4 GHz ISM band. IC Role / Device Role / Timing Role: Compact, single-supply mixer enabling battery-efficient upconversion in edge node radios. Use Value: 3 V/30 mA operation extends battery life; DC-coupled RF port allows direct connection to power amplifier input. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar double-balanced mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1040LP3E | Wider RF range (1.7–4.2 GHz); higher P1dB (+10 dBm); no integrated LO amp; requires +13 dBm LO drive | Better suited for 3.5 GHz TDD-LTE or 5 GHz UNII bands; needs external LO buffer | Select when operating above 2.6 GHz or requiring higher output power; avoid if LO drive budget is constrained |
| ADL5801ACPZ-R7 | DC–6 GHz RF range; integrated LO amp; 5.5 dB conversion loss; +21 dBm IP3; 5 V/90 mA supply | Higher performance at cost of power and voltage; broader frequency coverage | Prefer for wideband test equipment or multi-band radios where 3 V operation is not mandatory |
Compared with HMC422MS8, HMC1040LP3E trades integrated LO gain for extended frequency range and higher linearity, while ADL5801ACPZ-R7 offers superior IP3 and bandwidth at higher supply voltage and current - making HMC422MS8 optimal for cost- and power-sensitive 1.2–2.6 GHz infrastructure designs.
Availability
HMC422MS8 is available at Aetrix Electronics and suitable for cellular infrastructure, wireless LAN access points, and MMDS subscriber units requiring stable component supply and legacy-compatible RF front-end solutions.
Supply support for HMC422MS8 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.
The HMC422MS8 belongs to Hittite's legacy GaAs MMIC mixer family, designed specifically for compact, low-LO-drive wireless infrastructure transceivers operating in sub-3 GHz licensed and unlicensed bands.
FAQ
What is the maximum RF input power level the HMC422MS8 can handle without damage?
The HMC422MS8 absolute maximum RF input is +13 dBm at Vdd = +3 V. Exceeding this risks permanent degradation of the GaAs die. For reliable operation, keep continuous RF input ≤+8 dBm (P1dB), and ensure transient peaks remain within the +13 dBm limit. Always use external limiting or attenuation if system-level signals approach this threshold.
Does the HMC422MS8 require external DC blocking capacitors on all ports?
No - only the LO port (Pin 1) requires an external DC blocking capacitor, as it is AC-coupled. The RF (Pin 8) and IF (Pin 5) ports are DC-coupled and must connect directly to matching networks or baseband circuitry. However, if DC operation is not needed on IF, a series capacitor may be added externally to block DC while passing the required IF bandwidth.
Can the HMC422MS8 operate with a 5 V supply instead of 3 V?
No - the HMC422MS8 is rated for Vdd = +3 V only, with absolute maximum Vdd = +7 V. Operating at 5 V exceeds recommended conditions and risks overcurrent, thermal runaway, or accelerated degradation. The device draws ~37 mA at 3 V; increasing voltage does not improve performance and voids reliability guarantees.
What is the significance of the "MS8" suffix in HMC422MS8?
The "MS8" denotes the 8-lead MSOP (Mini Small Outline Package) with exposed thermal paddle. This package provides excellent RF grounding via multiple GND pins (2,3,6,7) and the paddle, supports MSL1 handling, and enables high-frequency performance through controlled impedance and low parasitic inductance - critical for consistent 1.2–2.6 GHz mixer behavior.
Is the HMC422MS8 still in active production or obsolete?
The HMC422MS8 is marked OBSOLETE in official documentation, but remains available through authorized distributors and Aetrix Electronics for legacy design support and repair. No functional replacements are offered by Analog Devices; users should verify long-term supply commitments and consider migration paths such as HMC1040LP3E for new designs requiring similar functionality.
105188-HMC422MS8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Obsolete
- Type:
- Mixer
- Frequency:
- 1.2GHz ~ 2.6GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- HMC422MS8
105188-HMC422MS8 FAQ
1.How can I place an order for 105188-HMC422MS8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 105188-HMC422MS8 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 105188-HMC422MS8 reliable?
The price and inventory of 105188-HMC422MS8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 105188-HMC422MS8 is usually 5 days.
3.What payment methods are accepted for 105188-HMC422MS8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 105188-HMC422MS8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 105188-HMC422MS8?
105188-HMC422MS8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 105188-HMC422MS8 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 105188-HMC422MS8?
For technical support, including 105188-HMC422MS8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 105188-HMC422MS8 requirements.
6.How does Aetrix verify that 105188-HMC422MS8 is sourced from the original manufacturer or authorized distributors?
All 105188-HMC422MS8 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 105188-HMC422MS8 meets industry standards.
7.What is the process for return or replacement of 105188-HMC422MS8?
All 105188-HMC422MS8 units undergo pre-shipment inspection (PSI). If there is an issue with 105188-HMC422MS8, 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 105188-HMC422MS8 part is unused and in its original packaging.
Return procedure for 105188-HMC422MS8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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