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Analog Devices Inc. HMC175MS8
- Part No.:
- HMC175MS8
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
HMC175MS8.pdf
- Description:
- IC MIXER DBL-BAL 3.4GHZ 8-MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,118
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Product details
Overview
HMC175MS8 from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC double-balanced mixer in MSOP-8 package, operating from 1.7–4.5 GHz RF/LO and DC–1.0 GHz IF. It delivers 8 dB typical conversion loss, +18 dBm input IP3, and >30 dB LO–RF/LO–IF isolation-enabling high-linearity frequency translation in compact wireless transceivers.
For engineers reviewing the HMC175MS8 datasheet, HMC175MS8 pinout, HMC175MS8 application, or HMC175MS8 equivalent, key selection criteria include broadband RF/LO coverage, ultra-small MSOP8 footprint, thermal stability across –40°C to +85°C, and suitability for mini-base station up/downconversion where intermodulation suppression and isolation are critical.
Technical Context
The HMC175MS8 is a passive, diode-based double-balanced mixer with no internal biasing-requiring external LO drive of +13 dBm. Its balanced topology suppresses even-order harmonics and provides inherent LO leakage rejection.
It operates bidirectionally as both upconverter and downconverter, supports biphase modulation/demodulation, and maintains stable conversion loss and IP3 across its full 1.7–4.5 GHz RF/LO band under specified LO power and temperature conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF/LO Frequency Range | 1.7–4.5 GHz - covers PCS, ISM, and LTE bands without tuning components |
| IF Bandwidth | DC–1.0 GHz - supports baseband I/Q and low-IF architectures |
| Conversion Loss | 8 dB typ. - defines signal attenuation through mixing path; impacts receiver NF and transmitter output efficiency |
| Input IP3 | +18 dBm typ. - determines third-order intermodulation distortion floor in dense RF environments |
| LO–RF Isolation | 30 dB typ. - limits LO feedthrough into antenna path, easing filter requirements |
| LO–IF Isolation | 32 dB typ. - reduces LO contamination in IF chain, preserving dynamic range |
| Operating Temp | –40°C to +85°C - validated for industrial and outdoor wireless infrastructure use |
Pinout & Package
Package: MSOP-8 (0.118″ × 0.190″ × 0.040″), RoHS-compliant variant HMC175MS8E uses matte Sn finish; standard HMC175MS8 uses Sn/Pb. All ground leads must be soldered to PCB RF ground per layout guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 | RF Port (Balanced) | Differential RF input/output; requires 50 Ω balanced matching network |
| 5, 6 | LO Port (Balanced) | Differential LO drive port; +13 dBm nominal drive required |
| 7, 8 | IF Port (Balanced) | Differential IF output/input; DC–1.0 GHz bandwidth supports direct-conversion topologies |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small MSOP-8 footprint | 0.118″ × 0.190″ - enables integration into space-constrained mini-base stations and portable radios |
| High LO–RF/LO–IF isolation | ≥30 dB - reduces need for external LO filtering and improves system-level spurious performance |
| Broadband 1.7–4.5 GHz operation | No external tuning required - simplifies multi-band design and reduces BOM count |
| Passive double-balanced architecture | No DC bias or active circuitry - eliminates quiescent current, thermal drift, and supply noise coupling |
| ESD robustness | HBM Class 1A - withstands handling in production environments without special ESD controls beyond standard practice |
Applications
| Mini-Base Stations | Portable Wireless Radios |
|---|---|
Use Scenario: Compact 2G/3G/LTE small-cell transceivers deployed in urban hotspots and indoor coverage systems. IC Role / Device Role / Timing Role: Downconverter for receive path and upconverter for transmit path in FDD/TDD architectures. Use Value: 8 dB conversion loss and +18 dBm IP3 maintain link budget and adjacent-channel selectivity in spectrally crowded deployments. |
Use Scenario: Battery-powered handheld radios and tactical communication units requiring low size, weight, and power (SWaP). IC Role / Device Role / Timing Role: Core RF mixer in direct-conversion or low-IF transceiver front-end. Use Value: MSOP-8 package and DC–1.0 GHz IF bandwidth enable single-chip I/Q demodulation without external IF filters or amplifiers. |
| PCMCIA Wireless Cards | Biphase Modulator/Demodulator |
Use Scenario: Legacy PCMCIA-format 802.11a/b/g WLAN client adapters with tight board area constraints. IC Role / Device Role / Timing Role: Frequency translator between baseband processor and antenna interface. Use Value: Small outline and broadband operation allow dual-band (2.4/5 GHz) support on a single-layer RF section. |
Use Scenario: Digital phase-shift keying (BPSK/QPSK) modems in secure data links and telemetry systems. IC Role / Device Role / Timing Role: Passive biphase modulator using LO polarity switching to control RF phase inversion. Use Value: Balanced topology inherently rejects carrier feedthrough, enabling clean phase transitions without DC offset calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar double-balanced mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC175MS8E | RoHS-compliant; matte Sn lead finish; MSL1 rating with 260°C peak reflow | Identical RF/IF performance and pinout; selected when lead-free assembly required | Drop-in replacement for HMC175MS8 in new designs targeting RoHS compliance |
| ADL5801ACPZ-R7 | Active mixer; 3.5–4.5 GHz RF range; +22 dBm IP3; requires VCC = 5 V and bias network | Higher gain (+4 dB conversion gain vs. 8 dB loss); wider supply-dependent dynamic range | Preferred when system can accommodate active bias and needs improved sensitivity over passive loss |
Compared with HMC175MS8, the HMC175MS8E offers identical RF performance with RoHS-compliant packaging, while ADL5801ACPZ-R7 trades passive simplicity for active gain and higher linearity-requiring additional power and bias design effort but enabling better receiver NF in gain-limited chains.
Availability
HMC175MS8 is available at Aetrix Electronics and suitable for mini-base stations, portable wireless radios, and PCMCIA wireless cards requiring stable component supply, consistent RF performance across temperature, and long-term obsolescence management.
Supply support for HMC175MS8 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 its broader communications and defense solutions.
The HMC175MS8 belongs to Hittite's legacy GaAs MMIC mixer family, designed specifically for broadband, low-profile wireless infrastructure and portable radio applications demanding high isolation and intermodulation performance.
FAQ
What is the recommended LO drive level for optimal performance of the HMC175MS8?
The HMC175MS8 is characterized at +13 dBm LO drive, delivering 8 dB typical conversion loss and +18 dBm input IP3. Operating below +10 dBm increases conversion loss and degrades IP3; exceeding +15 dBm yields diminishing returns and risks compression. The HMC175MS8 datasheet specifies +13 dBm as the nominal LO drive for all published RF/IF performance metrics.
Does the HMC175MS8 require DC biasing or external active components?
No-the HMC175MS8 is a passive double-balanced mixer built on GaAs Schottky diodes and requires no DC bias voltage or current. It operates solely on LO drive power and does not integrate amplifiers, regulators, or bias networks. All terminals are RF-coupled, and proper RF grounding of pins 1–8 per the evaluation board layout is essential for performance.
Can the HMC175MS8 be used as both an upconverter and downconverter?
Yes-the HMC175MS8 is bidirectional by design. When RF is applied to pins 1–4 and LO to pins 5–6, it functions as a downconverter (RF→IF). Reversing ports-applying IF to pins 7–8 and LO to pins 5–6-enables upconversion (IF→RF). Its symmetric balanced architecture ensures consistent conversion loss and isolation in both modes.
What is the maximum RF input power the HMC175MS8 can handle without damage?
The absolute maximum RF/IF input power for the HMC175MS8 is +13 dBm. Exceeding this risks permanent degradation of diode junctions or bond wires. For reliable operation, RF input should be limited to ≤+10 dBm to maintain linearity and avoid compression; the 1 dB compression point is typically +9 dBm at 2.3 GHz.
Is the HMC175MS8 still in active production or considered obsolete?
The HMC175MS8 is marked "OBSOLETE" in official Analog Devices documentation, indicating end-of-life status. However, Aetrix Electronics maintains legacy inventory and offers controlled distribution with full traceability. Customers designing new products should evaluate HMC175MS8E (RoHS-compliant variant) or next-generation alternatives like ADL5801ACPZ-R7 for long-term supply assurance.
HMC175MS8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- RF Type:
- General Purpose
- Frequency:
- 1.7GHz ~ 4.5GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- 8dB
- Secondary Attributes:
- Up/Down Converter
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
HMC175MS8 FAQ
1.How can I place an order for HMC175MS8 through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC175MS8 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 HMC175MS8 reliable?
The price and inventory of HMC175MS8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC175MS8 is usually 5 days.
3.What payment methods are accepted for HMC175MS8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC175MS8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC175MS8?
HMC175MS8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC175MS8 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 HMC175MS8?
For technical support, including HMC175MS8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC175MS8 requirements.
6.How does Aetrix verify that HMC175MS8 is sourced from the original manufacturer or authorized distributors?
All HMC175MS8 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 HMC175MS8 meets industry standards.
7.What is the process for return or replacement of HMC175MS8?
All HMC175MS8 units undergo pre-shipment inspection (PSI). If there is an issue with HMC175MS8, 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 HMC175MS8 part is unused and in its original packaging.
Return procedure for HMC175MS8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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