Analog Devices Inc./Maxim Integrated MAX4031EEUD

Overview

The 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 and 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-making it ideal for SDTV, HDTV, and security video systems where external interface robustness is critical.

For engineers reviewing the MAX4031EEUD datasheet, MAX4031EEUD pinout, MAX4031EEUD application, or MAX4031EEUD equivalent, key selection criteria include its 14-pin TSSOP package, ±15kV IEC 1000-4-2 air-gap/contact ESD rating, 0.1µA shutdown current, differential gain/phase error of 0.2%/0.2°, and ability to directly drive 150Ω video loads without external buffering.

Technical Context

The MAX4031EEUD employs a BiCMOS process to achieve high-speed voltage-feedback architecture with unity-gain stability and rail-to-rail output swing within 100mV of both rails. Its input stage supports common-mode voltages from ground to VCC − 2.25V, enabling DC-coupled video signal handling.

Each amplifier includes independent CMOS-compatible shutdown control (SHDNA/SHDNB/SHDNC), pulling output into high-impedance state with only 0.1µA leakage when disabled. Channel-to-channel isolation exceeds 65dB at 4.43MHz, ensuring minimal crosstalk in multi-channel video routing applications.

Key Specifications

Pinout & Package

The MAX4031EEUD is housed in a 14-pin Thin Shrink Small Outline Package (TSSOP) with 0.65mm pitch, 4.4mm body width, and exposed pad for thermal enhancement. Pin 1 is marked with a dot; pin numbering follows standard TSSOP convention (counterclockwise from top-left corner).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX4031EESD, the MAX4031EEUD offers superior thermal performance and smaller footprint for high-density layouts; versus THS3201DR, it provides integrated ESD protection and lower power-making it the optimal choice for production-ready, robust video line driving in consumer electronics.

Availability

MAX4031EEUD is available at Aetrix Electronics and suitable for set-top boxes, security DVRs, HDTV component video interfaces, and portable media players requiring stable component supply and guaranteed long-term manufacturability.

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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.

The MAX4030E/MAX4031E product line was designed specifically for ESD-hardened, high-fidelity analog video signal conditioning-targeting cost-sensitive, high-volume video interface applications in broadcast, surveillance, and consumer electronics.

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 isolation resistor (RISO) of 10Ω–15Ω is placed in series with the output. Without RISO, oscillation risk increases above 5pF; Figure 5 and Figure 6 in the datasheet show measured gain peaking and damping effects. For reliable operation into coaxial cables or LCD panel inputs, always use RISO ≥10Ω as specified in Applications Information section.

Does the MAX4031EEUD support DC-coupled video input?

Yes, the MAX4031EEUD supports DC-coupled video input: its input common-mode voltage range extends from ground to VCC − 2.25V (0V to 2.75V at 5V supply), allowing direct connection to ground-referenced CVBS or YPbPr sources without level-shifting circuitry. This is confirmed in the DC Electrical Characteristics table under "Input Common-Mode Voltage" and the Detailed Description section.

What is the typical settling time of the MAX4031EEUD for video signals?

The MAX4031EEUD achieves 40ns settling time to 0.1% for a 2V step input under standard conditions (AVCL = +2V/V, RL = 150Ω). This specification ensures accurate reproduction of fast video transitions-including horizontal sync pulses and chroma burst edges-without visible smearing or timing jitter in SDTV and HDTV applications.

Can the MAX4031EEUD be used in single-supply 3.3V systems?

No-the MAX4031EEUD is specified only for 4.5V to 5.5V operation, with guaranteed performance at 5V. The Absolute Maximum Ratings limit VCC to +6V, and DC characteristics (e.g., output swing, CMRR) degrade below 4.5V. For 3.3V video applications, consider the MAX4203 or similar 3V-rated alternatives-not the MAX4031EEUD.

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

When any shutdown pin (SHDNA/SHDNB/SHDNC) is driven low, the corresponding amplifier's output enters high-impedance state with ≤10µA leakage current (typical 0.1µA), as verified in the DC Electrical Characteristics table under "Disabled Output Leakage Current." This allows safe multiplexing or bus-sharing without signal contention-critical in multi-source video switchers using the MAX4031EEUD.