Analog Devices Inc./Maxim Integrated MAX4514CUK+T

Overview

The MAX4514CUK+T from Maxim Integrated is a single-pole/single-throw (SPST), normally open (NO), CMOS analog switch optimized for low-voltage, rail-to-rail signal routing. It operates from a single +2V to +12V supply, delivers 20Ω on-resistance at +5V, supports ≤1nA off-leakage at +25°C, and switches in 150ns turn-on time-ideal for battery-powered audio routing and low-voltage data acquisition.

For engineers reviewing the MAX4514CUK+T datasheet, MAX4514CUK+T pinout, MAX4514CUK+T application, or MAX4514CUK+T equivalent, key selection criteria include guaranteed on-resistance flatness (≤3Ω), charge injection (10pC), TTL/CMOS logic compatibility at +5V, and SOT23-5 package suitability for space-constrained portable designs.

Technical Context

This SPST analog switch uses complementary MOSFET pairs with break-before-make timing (t_ON > t_OFF at +5V) to prevent signal shorting during state transitions. Its internal logic-level translators accept 0.8V–2.4V input thresholds, enabling direct interface with +5V TTL/CMOS controllers without level-shifting.

Rail-to-rail analog operation is enabled by dual ESD diodes per signal pin (to V+ and GND), while leakage currents are dominated by reverse-biased diode conduction-not channel conduction. All analog terminals (NO, COM, NC) are bidirectional and electrically interchangeable.

Key Specifications

Pinout & Package

SOT23-5 surface-mount package (3.0mm × 1.7mm × 1.3mm body height), lead-free and RoHS-compliant, optimized for automated PCB assembly and compact portable layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX4514CSA+, the MAX4514CUK+T offers 40% smaller PCB area and lower thermal mass; versus TMUX1101DBVR, it provides superior leakage control and lower charge injection-making it the preferred choice for precision, battery-sensitive signal routing.

Availability

MAX4514CUK+T is available at Aetrix Electronics and suitable for battery-operated equipment, audio/video signal routing, and low-voltage data-acquisition systems requiring stable component supply across extended production lifecycles.

Supply support for MAX4514CUK+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, medical, communications, and consumer applications.

The MAX4514CUK+T belongs to Maxim's low-voltage analog switch product line, engineered specifically for rail-to-rail, low-leakage, fast-switching signal routing in space- and power-constrained portable electronics.

FAQ

What is the maximum operating temperature range for the MAX4514CUK+T?

The MAX4514CUK+T is rated for operation from 0°C to +70°C. This commercial-grade temperature range is validated per the device's ordering information and applies to all electrical specifications unless otherwise noted in the datasheet. The SOT23-5 package's thermal characteristics support reliable performance within this ambient envelope under typical load conditions. For extended temperature operation, consider the MAX4514EUK variant (-40°C to +85°C).

Does the MAX4514CUK+T support rail-to-rail analog signal switching?

Yes, the MAX4514CUK+T supports rail-to-rail analog signal switching-its analog terminals (NO, COM) pass signals from 0V up to V+ without clipping. This capability is enabled by its CMOS architecture and internal ESD protection diodes referenced to V+ and GND. Signal integrity is maintained across the full range, making the MAX4514CUK+T suitable for applications like audio line-level routing and sensor signal conditioning where dynamic range preservation is critical.

What is the logic threshold voltage for the IN pin of the MAX4514CUK+T?

The IN pin of the MAX4514CUK+T has guaranteed logic thresholds of 0.8V (V_IL max) and 2.4V (V_IH min) when operated with a +5V supply, ensuring full TTL and CMOS logic compatibility. These thresholds scale slightly with V+-e.g., at +12V supply, V_IH rises to ~3.0V-but remain compatible with standard CMOS outputs. The MAX4514CUK+T does not require external level-shifting when interfaced with +5V microcontrollers or FPGAs.

Can the MAX4514CUK+T be used with a +3V supply?

Yes, the MAX4514CUK+T is fully specified for operation down to +2V, including +3V supplies. At +3V, typical on-resistance increases to 50Ω (max 75Ω), and switching times extend slightly-but all key parameters (leakage, charge injection, logic compatibility) remain functional. However, do not drive the IN pin with +5V logic signals while V+ = +3V, as this violates absolute maximum ratings and risks damage to the MAX4514CUK+T.

Is the MAX4514CUK+T pin-compatible with other devices in the MAX4514/MAX4515 family?

Yes, the MAX4514CUK+T shares identical pinout and functionality with all SOT23-5 variants in the MAX4514 series (e.g., MAX4514EUK), and is functionally compatible-though not pin-for-pin-with the SO-8 and DIP-8 versions (MAX4514CSA+, MAX4514CPA). All SOT23-5 packages use the same 5-pin configuration (NO, IN, GND, V+, COM), enabling direct substitution within the same package footprint without PCB redesign.