Analog Devices Inc. HMC316MS8ETR

Overview

HMC316MS8ETR from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC double-balanced mixer optimized for RF upconversion, downconversion, and modulation in 1.5–3.8 GHz systems. It delivers 7.5 dB typical conversion loss, +25 dBm input IP3, and >35 dB LO/RF isolation at +19 dBm LO drive, enabling high-linearity signal processing in cellular base stations and WiMAX transceivers.

For engineers reviewing the HMC316MS8ETR datasheet, HMC316MS8ETR pinout, HMC316MS8ETR application, or HMC316MS8ETR equivalent, key selection criteria include its 8-lead MSOP package, DC–1.0 GHz IF bandwidth, ultra-low profile (<1 mm height), and requirement for +15 to +19 dBm LO drive-critical for minimizing distortion in broadband wireless front-ends.

Technical Context

The HMC316MS8ETR implements a passive GaAs Schottky diode core with integrated planar on-chip balun transformers, eliminating external matching components. Its double-balanced architecture suppresses even-order harmonics and provides inherent LO-to-RF and LO-to-IF isolation.

Performance is specified across temperature (−40°C to +85°C) and LO drive levels (+15 to +19 dBm), with stable conversion loss and IP3 over 1.5–3.5 GHz RF range. The device operates as a current-driven mixer requiring 50 Ω terminations on all ports and direct grounding of all package leads to PCB RF ground.

Key Specifications

Pinout & Package

Package: 8-lead MSOP (Mini Small Outline Package), RoHS-compliant, matte tin finish, MSL1, body height <1 mm. Ground leads (pins 1, 2, 7, 8) must be soldered directly to PCB RF ground plane with multiple vias.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar double-balanced mixer applications.

Compared with HMC316MS8ETR, HMC1048LP3E trades some linearity for wider bandwidth, while ADL5802ACPZ-R7 replaces passive loss with active gain at the cost of DC power and complexity-making HMC316MS8ETR optimal for high-efficiency, low-power, high-linearity fixed-frequency RF sections.

Availability

HMC316MS8ETR is available at Aetrix Electronics and suitable for cellular base stations, cable modems, fixed wireless access systems, and WiMAX transceivers requiring stable component supply, RoHS compliance, and proven field reliability.

Supply support for HMC316MS8ETR 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, integrating its high-frequency RF portfolio into a leading broad-market analog and RF solutions provider.

The HMC316MS8ETR belongs to the Hittite GaAs MMIC mixer product line, designed specifically for high-volume wireless infrastructure applications demanding high IP3, compact size, and minimal external component count.

FAQ

What is the recommended LO drive level for optimal performance of the HMC316MS8ETR?

The HMC316MS8ETR achieves best-in-class linearity and conversion loss at +19 dBm LO drive, delivering 7.5 dB conversion loss and +25 dBm input IP3. Operation at +17 dBm yields slightly higher loss (8 dB) but remains within specification; drive below +15 dBm degrades IP3 and increases conversion loss significantly. The HMC316MS8ETR must not exceed +27 dBm LO to avoid permanent damage.

Can the HMC316MS8ETR be used in zero-IF receiver architectures?

Yes, the HMC316MS8ETR supports zero-IF operation due to its DC–1.0 GHz IF bandwidth and balanced topology that suppresses even-order distortion. Its 7.5 dB conversion loss and +25 dBm IIP3 make it suitable for direct-conversion receivers in LTE and WiMAX, provided LO leakage is managed via careful layout and filtering. The HMC316MS8ETR does not require DC blocking on IF output for baseband coupling.

What is the thermal and mechanical mounting requirement for the HMC316MS8ETR?

The HMC316MS8ETR operates from −40°C to +85°C and requires all ground pins (1, 2, 7, 8) to be soldered directly to a solid RF ground plane using multiple thermal vias. The package's low-stress molded plastic body and matte tin finish support lead-free reflow (peak 260°C, MSL1). Mechanical stress on solder joints must be minimized-no conformal coating over the die area is permitted.

Does the HMC316MS8ETR require external baluns or matching networks?

No. The HMC316MS8ETR integrates planar on-chip balun transformers for both RF and LO ports, enabling fully single-ended 50 Ω interface without external components. All ports are internally matched to 50 Ω; only proper PCB layout (controlled impedance traces, ground via density, and decoupling) is required. This eliminates tuning variability and reduces bill-of-materials cost in production.

How does the HMC316MS8ETR compare to active mixers in terms of noise figure and power consumption?

The HMC316MS8ETR is a passive mixer with 7.5–9.5 dB noise figure (SSB), higher than active mixers like ADL5802ACPZ-R7 (9.5 dB NF), but consumes zero DC power. Its lack of bias current eliminates thermal drift and supply noise coupling-critical in high-dynamic-range receivers. The HMC316MS8ETR's noise figure is offset by its +25 dBm IIP3, making it preferable where linearity dominates over NF in the system budget.