Analog Devices Inc./Maxim Integrated MAX4675EUT+T

Overview

MAX4675EUT+T from Maxim Integrated is a single-pole, single-throw (SPST) normally open analog switch with 3Ω maximum on-resistance, 0.7Ω on-resistance flatness, and rail-to-rail signal handling capability across ±2.7V to ±5.5V dual supplies or +2.7V to +5.5V single supply. It delivers 250MHz -3dB bandwidth, <0.1nA off-leakage at +25°C, and operates over -40°C to +85°C in a 6-pin SOT23 package - ideal for precision audio routing and automated test equipment signal paths.

For engineers reviewing the MAX4675EUT+T datasheet, MAX4675EUT+T pinout, MAX4675EUT+T application, or MAX4675EUT+T equivalent, key selection criteria include verified SPST NO topology, dual/single supply flexibility, low R_ON flatness for minimal THD, and SOT23-6 thermal/power performance in space-constrained analog front-ends.

Technical Context

The MAX4675EUT+T implements a CMOS transmission-gate architecture optimized for low distortion and high off-isolation (-75dB at 1MHz under dual supply). Its logic input (IN) controls conduction between COM and NO terminals, with guaranteed switching down to 2.7V total supply range and sub-1µA quiescent current.

It supports rail-to-rail analog signals up to V+ and down to V−, with charge injection of 87pC (dual supply) and 31pC (single supply), enabling accurate sampling in data-acquisition systems without significant settling error or pedestal shift.

Key Specifications

Pinout & Package

MAX4675EUT+T is housed in a 6-pin SOT23-6 package with exposed pad (not electrically connected), JEDEC MO-178AA compliant, and rated for -40°C to +85°C operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SPST analog switch applications.

Compared with ADG1201BRJZ-REEL7 and TS5A23157DCUR, the MAX4675EUT+T uniquely balances dual/single supply flexibility, 250MHz bandwidth, and sub-1Ω flatness - making it the only option supporting high-fidelity bipolar analog routing without supply redesign or performance trade-offs.

Availability

MAX4675EUT+T is available at Aetrix Electronics and suitable for automated test equipment, precision audio routing, and data-acquisition systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MAX4675EUT+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 power management ICs for industrial, communications, and consumer applications.

The MAX4675EUT+T belongs to Maxim's high-performance analog switch family, engineered specifically for low-distortion, rail-to-rail signal routing in test, measurement, and audio systems where mechanical relay replacement is required.

FAQ

What is the maximum continuous current rating for the MAX4675EUT+T?

The MAX4675EUT+T supports ±100mA continuous current through its NO, NC (not applicable), and COM terminals. This rating applies across the full operating temperature range (-40°C to +85°C) and ensures reliable conduction without thermal runaway when used within specified supply and signal voltage limits. Exceeding this current may degrade R_ON stability or accelerate wear-out in high-cycle applications. The MAX4675EUT+T datasheet specifies peak pulsed current up to ±200mA at 10% duty cycle.

Does the MAX4675EUT+T support rail-to-rail operation with single-supply configurations?

Yes, the MAX4675EUT+T supports rail-to-rail analog signal handling with single +2.7V to +5.5V supplies - meaning signals from 0V to V+ are passed without clipping. This is confirmed in the General Description and Electrical Characteristics tables, where input voltage range is specified as 0 to V+ under single-supply conditions. The MAX4675EUT+T achieves this via internal level-shifting circuitry that maintains transmission-gate bias integrity across the full supply range.

What is the logic polarity of the IN pin on the MAX4675EUT+T?

The IN pin on the MAX4675EUT+T is active-high: the switch connects COM to NO when IN ≥ 2.4V (VIH), and disconnects when IN ≤ 0.8V (VIL). This behavior is explicitly defined in the Pin Description table and Truth Table section of the datasheet. The MAX4675EUT+T does not invert logic; its function matches standard positive-logic SPST NO switches, unlike the MAX4676EUT+T which uses inverted control for NC topology.

Can the MAX4675EUT+T be used in ±12V systems?

No, the MAX4675EUT+T cannot be used in ±12V systems. Its absolute maximum ratings specify V+ to V− ≤ 12V and V+ to GND ≤ +6V, V− to GND ≥ -6V. Operating at ±12V would exceed both the 12V differential limit and individual rail limits. The device is rated for ±2.7V to ±5.5V dual supplies only. Using ±12V risks permanent damage due to junction breakdown, and the MAX4675EUT+T datasheet provides no characterization data beyond ±5.5V.

How does charge injection affect system performance when using the MAX4675EUT+T in sample-and-hold circuits?

Charge injection of 87pC (dual supply) in the MAX4675EUT+T causes a voltage step ΔV = Q/C_hold on the hold capacitor, directly impacting acquisition accuracy. For example, with a 1nF hold capacitor, ΔV ≈ 87mV - unacceptable for 12-bit+ resolution. To mitigate this, designers must use smaller hold capacitors (<100pF), add correlated double sampling, or select the MAX4675EUT+T only in non-critical sample paths where settling time allows correction. The MAX4675EUT+T datasheet Figure 3 quantifies this effect versus VCOM.