Analog Devices Inc./Maxim Integrated MAX4614ESD+T

Overview

The MAX4614ESD+T from Analog Devices is a quad, low-voltage, high-speed, normally open (NO) SPST CMOS analog switch operating from +2V to +5.5V supply, featuring 10Ω max on-resistance at +5V, 12ns turn-on time, and rail-to-rail signal handling from V+ to GND - deployed in battery-powered audio routing and low-voltage data-acquisition front-ends.

For engineers reviewing the MAX4614ESD+T datasheet, MAX4614ESD+T pinout, MAX4614ESD+T application, or MAX4614ESD+T equivalent, key selection criteria include guaranteed channel-to-channel on-resistance match (≤1Ω), sub-6nA off-leakage at +85°C, TTL/CMOS logic compatibility at +5V, and -40°C to +85°C industrial temperature rating in 14-pin narrow SO package.

Technical Context

This device implements four independent CMOS transmission-gate switches with matched threshold voltages and symmetric charge injection characteristics, enabling precise signal routing without DC offset shift. Each NO switch exhibits flat on-resistance (<1Ω variation over full 0V to V+ signal range) and low 6.5pC charge injection - critical for sample-and-hold accuracy.

Logic inputs accept TTL/CMOS thresholds (0.8V low / 2.4V high at +5V supply), eliminating level-shifter requirements. The internal architecture supports simultaneous switching of all four channels with minimal crosstalk (-96dB at 100kHz) and high off-isolation (-85dB), making it suitable for multiplexed sensor interfaces where channel integrity is essential.

Key Specifications

Pinout & Package

MAX4614ESD+T is housed in a 14-pin narrow SO (SOIC-N) package with 1.27mm pitch, 8.65mm × 3.91mm body, and exposed pad not present - optimized for automated assembly and thermal performance up to 640mW at +70°C ambient.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX4614ESD+T, MAX4614EUD+T offers identical functionality in a smaller package but reduced power dissipation margin, while ADG1414BRUZ provides enhanced robustness and wider voltage support at the cost of larger size and different pinout - neither is pin-compatible, but both serve adjacent design requirements.

Availability

MAX4614ESD+T is available at Aetrix Electronics and suitable for battery-operated equipment, low-voltage data-acquisition systems, and communication circuits requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MAX4614ESD+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

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.

The MAX4614 series belongs to Analog Devices' precision analog switch product line, engineered for low-leakage, high-speed signal routing in portable and industrial instrumentation where signal fidelity and power efficiency are critical.

FAQ

What is the maximum supply voltage rating for MAX4614ESD+T?

The absolute maximum supply voltage for MAX4614ESD+T is +6V. Operation above this level risks permanent damage. The recommended operating range is +2V to +5.5V. At +5.5V, on-resistance remains ≤10Ω and off-leakage stays within 6nA at +85°C - consistent with datasheet specifications. Exceeding +6V violates Absolute Maximum Ratings and may degrade ESD protection structures.

Does MAX4614ESD+T support rail-to-rail analog signal switching?

Yes, MAX4614ESD+T supports true rail-to-rail analog signal switching from 0V to V+. This means signals spanning the full supply range - e.g., 0V to +3.3V or 0V to +5V - pass through the NO switches without clipping or distortion. The specification is guaranteed across temperature and supply voltage, enabling direct interface with op-amps and ADCs without level-shifting circuitry.

How does the on-resistance matching specification apply to MAX4614ESD+T?

MAX4614ESD+T guarantees ≤1Ω maximum difference in on-resistance between any two of its four NO switches at +25°C, and ≤1.2Ω over the full -40°C to +85°C range. This matching is measured under identical conditions (V+ = 4.5V, I_COM = 10mA, V_NO = V_NC = 3V). It ensures uniform gain and minimal channel-to-channel error in multiplexed sensor or audio applications.

Can MAX4614ESD+T operate with a +2.5V supply?

Yes, MAX4614ESD+T operates down to +2.5V supply. At +2.5V, typical on-resistance rises to 30Ω–60Ω (max 100Ω), and switching times increase slightly (t_ON ≈ 6.5ns typ). Logic thresholds adjust automatically: V_{IN_H} = 0.7×V+ ≈ 1.75V, V_{IN_L} = 0.5V. All functions remain fully specified, making it viable for ultra-low-power wearable and sensor-node designs.

What is the off-isolation performance of MAX4614ESD+T at 100kHz?

MAX4614ESD+T delivers -85dB off-isolation at 100kHz, measured as 20log₁₀(V_COM/V_NO) with 50Ω source and load. This value is guaranteed over temperature and supply voltage. High off-isolation prevents signal bleed-through between inactive channels - essential in multi-channel data loggers and RF front-ends where channel crosstalk must be minimized below -80dB.