Analog Devices Inc. HMC525ALC4TR-R5
- Part No.:
- HMC525ALC4TR-R5
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 24-CLCC Exposed Pad
- Datasheet:
-
HMC525ALC4TR-R5.pdf
- Description:
- IC MMIC IQ MIXER 4-8.5GHZ 24SMD
- Quantity:
- Payment:

- Shipping:

Inventory:4,005
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Product details
Overview
HMC525ALC4TR-R5 from Analog Devices is a GaAs MMIC in-phase/quadrature (I/Q) mixer operating from 4 GHz to 8.5 GHz RF, with dc–3.5 GHz IF bandwidth, 8 dB typical conversion loss, 20 dBm input IP3, and 47 dB typical LO-to-RF isolation. It functions as an image-reject downconverter or single-sideband upconverter in microwave radios and electronic warfare systems.
For engineers reviewing the HMC525ALC4TR-R5 datasheet, HMC525ALC4TR-R5 pinout, HMC525ALC4TR-R5 application, or HMC525ALC4TR-R5 equivalent, this page delivers verified RF frequency range, I/Q balance performance, isolation specs, package thermal data, and surface-mount land pattern guidance for high-frequency PCB layout.
Technical Context
The HMC525ALC4TR-R5 integrates two double-balanced mixer cells and an on-die 90° hybrid in a GaAs MESFET process, enabling intrinsic image rejection without external hybrids when used as a downconverter. Its passive architecture requires no DC bias, simplifying system power design.
It supports both high-side and low-side LO injection configurations, delivering 23–30 dBc image rejection (downconverter) and 30 dBc sideband rejection (upconverter), with phase/amplitude balance maintained within ±3° and ±0.15 dB across 4.5–6 GHz under standard conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 4 GHz to 8.5 GHz - supports X-band radar, point-to-point backhaul, and EW front-ends without band switching. |
| IF Bandwidth | DC to 3.5 GHz - enables baseband I/Q demodulation and wideband SSB upconversion including LTE/WiMAX IF signals. |
| Conversion Loss | 7.5 dB (typical, 4.5–6 GHz upconverter) - lower loss reduces required IF gain stages and system noise figure impact. |
| Input IP3 | 22 dBm (typical, 4.5–6 GHz upconverter) - supports high-dynamic-range receivers handling strong adjacent-channel interferers. |
| LO–RF Isolation | 47 dB (typical) - minimizes LO leakage into antenna paths, easing filtering requirements in full-duplex or TDD systems. |
| Image Rejection | 30 dBc (typical, downconverter mode) - suppresses unwanted image band by >1000× power, reducing post-mixer filtering complexity. |
| Operating Temp | −40°C to +85°C - qualified for outdoor microwave radios and military platform deployment without derating. |
Pinout & Package
Package: RoHS-compliant 24-terminal ceramic leadless chip carrier (LCC), 4 mm × 4 mm, exposed thermal pad requiring GND connection per JEDEC MO-220.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 4 | RF | 50 Ω ac-coupled RF input port; internally matched across full 4–8.5 GHz band - no external matching needed. |
| 9, 11 | IF1, IF2 | Quadrature IF outputs (downconverter) or inputs (upconverter); dc-coupled - supports baseband operation but limits sink/source to ≤2 mA. |
| 15 | LO | 50 Ω ac-coupled local oscillator input; accepts +13 to +17 dBm drive - optimized for fundamental LO injection without harmonics filtering. |
| 3, 5, 12, 14, 16, 19, EPAD | GND | Multiple ground terminals and exposed pad - mandatory low-inductance grounding for RF stability and thermal dissipation (θJC = 161°C/W). |
| 1, 2, 6–8, 10, 13, 17–24 | NIC | Not internally connected - must remain unconnected or floated; no pull-up/down or routing required. |
Key Features
| Feature | Design Value |
|---|---|
| No DC bias required | Passive GaAs MMIC architecture eliminates bias network design, BOM count, and associated noise/leakage risks. |
| Integrated 90° hybrid | On-chip quadrature generation replaces discrete hybrid couplers - reduces board area, insertion loss, and assembly cost. |
| Surface-mount LCC package | 24-terminal ceramic LCC enables reflow-compatible manufacturing and repeatable RF performance vs. wire-bonded hybrids. |
| High LO–RF isolation | 47 dB typical isolation allows direct LO routing near RF traces without guard traces or shielding cans in compact layouts. |
| Wide IF bandwidth | DC–3.5 GHz IF supports complex modulation schemes (QAM, OFDM) and zero-IF architectures without IF limiting. |
Applications
| Point-to-Point Microwave Radios | Military Electronic Warfare Receivers |
|---|---|
Use Scenario: High-capacity 5G backhaul links operating at 6–8 GHz with adaptive modulation. IC Role / Device Role / Timing Role: Image-reject downconverter translating RF to baseband I/Q for digital demodulation. Use Value: 30 dBc image rejection and 7.5 dB conversion loss enable higher-order QAM with reduced error vector magnitude (EVM). |
Use Scenario: Wideband signal intelligence (SIGINT) receivers detecting pulsed and frequency-agile threats. IC Role / Device Role / Timing Role: Front-end I/Q mixer providing instantaneous bandwidth and phase-coherent digitization. Use Value: DC–3.5 GHz IF bandwidth captures full pulse envelopes; 22 dBm IP3 handles high-dynamic-range jamming environments. |
| Test & Measurement Equipment | VSA/VSG Signal Analyzer Front Ends |
Use Scenario: Portable spectrum analyzers requiring compact, calibrated RF downconversion below 8.5 GHz. IC Role / Device Role / Timing Role: Calibration-grade image-reject mixer enabling accurate amplitude/phase measurement. Use Value: ±0.15 dB amplitude and ±3° phase balance across 4.5–6 GHz ensures traceable vector error correction. |
Use Scenario: Vector signal generators synthesizing clean SSB waveforms for component validation. IC Role / Device Role / Timing Role: Single-sideband upconverter generating spectrally pure RF outputs with minimal carrier feedthrough. Use Value: 30 dBc sideband rejection eliminates need for external SSB filters, reducing calibration overhead and hardware footprint. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar I/Q mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1048LC4TR | Wider RF range (2–18 GHz), higher conversion loss (9.5 dB typ), requires external 90° hybrid. | Better suited for multi-band test equipment; lacks integrated hybrid and dc–3.5 GHz IF capability. | Select when broader frequency coverage outweighs integration and baseband IF needs. |
| LT5560EDDB#TRPBF | Lower frequency (0.01–3 GHz), silicon-based, +5 V bias required, 12.5 dB conversion loss. | Targets sub-3 GHz comms (LTE, WiFi); incompatible with X-band RF and passive biasing requirements. | Choose only for cost-sensitive, non-microwave consumer applications where GaAs performance is unnecessary. |
Compared with HMC525ALC4TR-R5, the HMC1048LC4TR trades integration and IF bandwidth for wider RF coverage, while the LT5560EDDB#TRPBF sacrifices frequency range and passive operation for lower cost and ease of biasing in sub-3 GHz systems.
Availability
HMC525ALC4TR-R5 is available at Aetrix Electronics and suitable for microwave radio development, electronic warfare receiver design, and high-frequency test equipment requiring stable component supply, controlled moisture sensitivity (MSL 3), and traceable lot history.
Supply support for HMC525ALC4TR-R5 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 is a global leader in high-performance analog, mixed-signal, and RF ICs, serving precision instrumentation, communications, and defense markets since 1965.
The HMC525ALC4TR-R5 belongs to Analog Devices' Hittite Microwave MMIC product line, engineered specifically for broadband microwave transceivers demanding high linearity, image rejection, and surface-mount reliability in harsh environments.
FAQ
What is the recommended LO drive level for optimal performance of the HMC525ALC4TR-R5?
The HMC525ALC4TR-R5 achieves best conversion loss, IP3, and image rejection at +15 dBm LO drive. The datasheet specifies a usable range of +13 dBm to +17 dBm; operation outside this window degrades linearity and increases conversion loss. Drive levels above +17 dBm risk permanent damage per absolute maximum ratings.
Does the HMC525ALC4TR-R5 require external DC biasing?
No, the HMC525ALC4TR-R5 is a passive GaAs MMIC mixer and requires no DC bias voltage or current. All ports are AC-coupled except IF1/IF2, which are DC-coupled but must not source or sink more than 2 mA to avoid malfunction or device failure.
Can the HMC525ALC4TR-R5 be used for zero-IF (direct-conversion) receiver architectures?
Yes, the HMC525ALC4TR-R5 supports zero-IF operation via its DC–3.5 GHz IF bandwidth and DC-coupled IF1/IF2 ports. However, users must ensure external circuitry limits current to ≤2 mA per IF pin and provides adequate low-frequency noise immunity in baseband signal chains.
What is the thermal resistance (θJC) of the HMC525ALC4TR-R5 package, and how does it affect PCB layout?
The HMC525ALC4TR-R5 has a junction-to-case thermal resistance (θJC) of 161°C/W. To maintain reliability at full RF power, the exposed pad (EPAD) must be soldered to a solid GND plane with ≥9 thermal vias (3×3 array) per JEDEC JESD51-2 guidelines - insufficient thermal relief causes junction temperature to exceed 175°C.
How does the HMC525ALC4TR-R5 achieve image rejection without an external 90° hybrid?
The HMC525ALC4TR-R5 integrates a monolithic 90° hybrid on-die, combining two double-balanced mixers to generate I/Q outputs with inherent phase/amplitude matching. This internal architecture enables >23 dBc image rejection in downconverter mode without external hybrids - unlike discrete solutions requiring precise external component matching.
HMC525ALC4TR-R5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 24-CLCC Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- RF Type:
- VSAT
- Frequency:
- 4GHz ~ 8.5GHz
- Number of Mixers:
- 2
- Gain:
- -
- Noise Figure:
- -
- Secondary Attributes:
- -
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-CLCC (3.9x3.9)
HMC525ALC4TR-R5 FAQ
1.How can I place an order for HMC525ALC4TR-R5 through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC525ALC4TR-R5 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 HMC525ALC4TR-R5 reliable?
The price and inventory of HMC525ALC4TR-R5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC525ALC4TR-R5 is usually 5 days.
3.What payment methods are accepted for HMC525ALC4TR-R5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC525ALC4TR-R5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC525ALC4TR-R5?
HMC525ALC4TR-R5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC525ALC4TR-R5 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 HMC525ALC4TR-R5?
For technical support, including HMC525ALC4TR-R5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC525ALC4TR-R5 requirements.
6.How does Aetrix verify that HMC525ALC4TR-R5 is sourced from the original manufacturer or authorized distributors?
All HMC525ALC4TR-R5 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 HMC525ALC4TR-R5 meets industry standards.
7.What is the process for return or replacement of HMC525ALC4TR-R5?
All HMC525ALC4TR-R5 units undergo pre-shipment inspection (PSI). If there is an issue with HMC525ALC4TR-R5, 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 HMC525ALC4TR-R5 part is unused and in its original packaging.
Return procedure for HMC525ALC4TR-R5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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