Analog Devices Inc./Maxim Integrated MAX4031EEUD+

Overview

MAX4031EEUD+ from Maxim Integrated is a triple, unity-gain stable, rail-to-rail output operational amplifier optimized for high-speed video line driving with ±15kV ESD protection on all inputs/outputs. It operates from a single 5V supply, delivers 115V/µs slew rate and 144MHz small-signal bandwidth, and features individual shutdown control per channel. It is used in SDTV, HDTV, and security video systems where robustness against electrostatic discharge and precise differential gain/phase performance are critical.

For engineers reviewing the MAX4031EEUD+ datasheet, MAX4031EEUD+ pinout, MAX4031EEUD+ application, or MAX4031EEUD+ equivalent, key selection criteria include its 0.2% differential gain error, 14-pin TSSOP package with SHDN pins, 150Ω load drive capability, and compliance with IEC 1000-4-2 ±8kV contact / ±15kV air-gap ESD standards.

Technical Context

The MAX4031EEUD+ employs a BiCMOS process to achieve high-speed voltage-feedback architecture with internal unity-gain compensation. Its input stage supports ground-sensing common-mode range (0V to VCC–2.25V), while rail-to-rail outputs swing within 100mV of both rails under 150Ω loads.

Each amplifier includes dedicated shutdown logic (SHDNA/SHDNB/SHDNC) enabling independent power gating with 0.1µA shutdown current. Channel-to-channel isolation exceeds 65dB at 4.43MHz, and capacitive-load stability is maintained up to 200pF when using an external isolation resistor.

Key Specifications

Pinout & Package

MAX4031EEUD+ is housed in a 14-pin TSSOP package (4.4mm body width, 0.65mm pitch), optimized for high-density PCB layouts and thermal performance in video interface modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed video op amp applications.

Compared with THS3201DR and LMH6702MA, MAX4031EEUD+ uniquely combines broadcast-grade video fidelity (0.2%/0.2°), integrated ±15kV ESD hardening, and 12mA total quiescent current in a single 14-pin TSSOP-making it the optimal choice for space-constrained, high-reliability analog video interfaces.

Availability

MAX4031EEUD+ is available at Aetrix Electronics and suitable for SDTV, HDTV, and security video systems requiring stable component supply, long-term manufacturability, and guaranteed ESD performance across production lifecycles.

Supply support for MAX4031EEUD+ 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.

The MAX4031EEUD+ belongs to Maxim's high-speed video op amp product line, engineered specifically for ESD-resilient, low-distortion analog video signal conditioning in broadcast, surveillance, and portable multimedia equipment.

FAQ

What is the maximum capacitive load the MAX4031EEUD+ can drive without oscillation?

The MAX4031EEUD+ remains stable with up to 200pF capacitive load when an appropriate isolation resistor (RISO) is used in series with the output. Without RISO, even 5pF load causes peaking and potential instability. For reliable operation, use 10Ω–15Ω RISO with loads >20pF, as validated in Figures 3–6 of the MAX4031EEUD+ datasheet. This behavior is inherent to its high-speed voltage-feedback architecture.

Does the MAX4031EEUD+ support DC-coupled video input configurations?

Yes, the MAX4031EEUD+ supports DC-coupled inputs because its input common-mode voltage range extends from ground to VCC – 2.25V (0V to 2.75V at 5V supply). This allows direct connection of baseband video signals without level-shifting circuitry, preserving black-level accuracy in professional video equipment.

How does the shutdown function affect output impedance in the MAX4031EEUD+?

When any SHDN pin (SHDNA/SHDNB/SHDNC) is driven low, the corresponding amplifier enters high-impedance shutdown mode with output leakage current ≤10µA. The disabled output presents >10MΩ impedance, preventing loading of downstream circuits-critical for multiplexed video bus architectures where idle channels must not disturb active paths.

Can the MAX4031EEUD+ drive a 75Ω video load directly?

Yes, the MAX4031EEUD+ is explicitly characterized to drive 75Ω and 150Ω video loads. Its output stage delivers ±100mA short-circuit current and maintains rail-to-rail swing (within 100mV of rails) into 75Ω, satisfying SMPTE 253M and ITU-R BT.601 video line driver requirements without external buffers or emitter followers.

What is the typical differential phase error of the MAX4031EEUD+ at NTSC frequencies?

The MAX4031EEUD+ achieves a typical differential phase error of 0.2° at NTSC frequencies (4.43MHz) when configured with AVCL = +2V/V and driving a 150Ω load. This value is guaranteed over temperature (–40°C to +85°C) and ensures minimal color timing skew in broadcast-quality video systems.