Analog Devices Inc./Maxim Integrated MAX2612ETA/V+T

Overview

MAX2612ETA/V+T from Maxim Integrated is a high-performance broadband RF gain block designed as a PA predriver or low-noise amplifier in 40MHz–4000MHz systems. It delivers +18.3dB gain at 1GHz, +18.2dBm P1dB output, 2.1–2.65dB noise figure at 2GHz, and +35.2dBm OIP3 - enabling robust signal amplification in cellular infrastructure and microwave radio front-ends.

For engineers reviewing the MAX2612ETA/V+T datasheet, MAX2612ETA/V+T pinout, MAX2612ETA/V+T application, or MAX2612ETA/V+T equivalent, key selection criteria include its AEC-Q100 qualified automotive grade, shutdown capability via EN pin, 2mm × 3mm TDFN-EP package with exposed thermal pad, and verified performance across -40°C to +85°C.

Technical Context

The MAX2612ETA/V+T employs a rugged bipolar Darlington architecture optimized for wideband linearity and input surge resilience, supporting up to +20dBm RF input without external protection. Its internally 50Ω-matched RFIN and RFOUT ports eliminate external matching networks across 40MHz–4GHz.

It features an enable-controlled shutdown mode (EN pin logic-low), drawing only 7µA in disable state, and operates from a single 3.0V–5.25V supply with 69mA typical supply current at VCC = 5V and TA = +25°C. Thermal design leverages θJA = 60°C/W and θJC = 11°C/W via the exposed pad.

Key Specifications

Pinout & Package

The MAX2612ETA/V+T is housed in an 8-pin, 2mm × 3mm TDFN-EP (Exposed Pad) package with RoHS-compliant lead-free finish. The exposed pad must be soldered to PCB ground via a 3×3 via array for optimal thermal dissipation (θJC = 11°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar broadband RF amplifier applications.

Compared with MAX2612ETA/V+T, MAX2613ETA+ trades linearity and output power for lower current and cost, while QPL9057TR13 extends bandwidth at the expense of noise performance and automotive compliance - making MAX2612ETA/V+T the optimal choice for AEC-Q100–mandated, high-OIP3, 4GHz-class RF front-ends.

Availability

MAX2612ETA/V+T is available at Aetrix Electronics and suitable for cellular infrastructure, microwave radio, wireless LAN, and automotive telematics applications requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.

Supply support for MAX2612ETA/V+T 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

Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and RF ICs for demanding industrial, automotive, and communications applications.

The MAX2612–MAX2616 family was developed specifically for high-linearity, wideband RF gain blocks in space-constrained, thermally challenging environments - targeting cellular base stations, microwave links, and automotive connectivity systems.

FAQ

What is the operating temperature range for MAX2612ETA/V+T?

The MAX2612ETA/V+T is rated for -40°C to +85°C ambient operation and is AEC-Q100 qualified for automotive use. This range is guaranteed per datasheet specifications, with all DC and AC parameters characterized across this interval. The device's thermal design - including θJA = 60°C/W and exposed pad grounding - ensures reliable performance at the upper limit without derating under typical PCB layouts.

Does MAX2612ETA/V+T require external matching components?

No, the MAX2612ETA/V+T features internally matched 50Ω input (RFIN) and output (RFOUT) ports across its full 40MHz–4000MHz bandwidth. External components are limited to decoupling (470pF + 10nF + 10µF tantalum on VCC) and DC blocking (0.01µF on RFIN/RFOUT); no baluns, transformers, or discrete matching networks are needed for standard 50Ω system integration.

How does the EN pin function on MAX2612ETA/V+T?

The EN pin (Pin 4) on MAX2612ETA/V+T controls shutdown mode: logic-low disables the amplifier, reducing supply current to 7µA; unconnected or logic-high enables normal operation. It is not a bias adjustment pin - unlike MAX2615, MAX2612ETA/V+T uses fixed internal biasing, so no external resistor is required on EN/RBIAS.

What is the maximum RF input power rating for MAX2612ETA/V+T?

The MAX2612ETA/V+T supports up to +20dBm maximum RF input power - an industry-leading rating enabled by its rugged bipolar Darlington process. This allows direct connection to antenna switches or filters without front-end attenuation or limiter circuits, simplifying layout and improving system-level reliability in burst-mode or high-VSWR conditions.

Is MAX2612ETA/V+T pin-compatible with other devices in the MAX261x family?

Yes, MAX2612ETA/V+T is pin-to-pin compatible with MAX2613ETA+, MAX2614ETA+, and MAX2616ETA+ in the same 8-pin TDFN-EP package. All share identical pinout, footprint, and supply interface; differences lie in internal biasing, OIP3, P1dB, and noise figure - allowing drop-in substitution where performance margins permit.